diff --git a/swift/downgrades/556e495d498c9c01286088785b590a7e80f0bb0b/downgrade.ql b/swift/downgrades/556e495d498c9c01286088785b590a7e80f0bb0b/downgrade.ql
new file mode 100644
index 00000000000..5dc97ffa7cf
--- /dev/null
+++ b/swift/downgrades/556e495d498c9c01286088785b590a7e80f0bb0b/downgrade.ql
@@ -0,0 +1,30 @@
+class Element extends @element {
+  string toString() { none() }
+}
+
+query predicate new_unspecified_elements(Element e, string property, string error) {
+  unspecified_elements(e, property, error)
+  or
+  error =
+    "Move semantics support removed during database downgrade. Please update your CodeQL code." and
+  property = "" and
+  (
+    copy_exprs(e, _) or
+    consume_exprs(e, _) or
+    borrow_exprs(e)
+  )
+}
+
+query predicate new_unspecified_element_children(Element e, int index, Element child) {
+  unspecified_element_children(e, index, child)
+  or
+  copy_exprs(e, child) and index = 0
+  or
+  consume_exprs(e, child) and index = 0
+  or
+  borrow_exprs(e) and identity_exprs(e, child) and index = 0
+}
+
+query predicate new_identity_exprs(Element e, Element child) {
+  identity_exprs(e, child) and not borrow_exprs(e)
+}
diff --git a/swift/downgrades/556e495d498c9c01286088785b590a7e80f0bb0b/old.dbscheme b/swift/downgrades/556e495d498c9c01286088785b590a7e80f0bb0b/old.dbscheme
new file mode 100644
index 00000000000..556e495d498
--- /dev/null
+++ b/swift/downgrades/556e495d498c9c01286088785b590a7e80f0bb0b/old.dbscheme
@@ -0,0 +1,2710 @@
+// generated by codegen/codegen.py
+
+// from prefix.dbscheme
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(
+  string prefix: string ref
+);
+
+
+// from schema.py
+
+@element =
+  @callable
+| @file
+| @generic_context
+| @locatable
+| @location
+| @type
+;
+
+#keyset[id]
+element_is_unknown(
+  int id: @element ref
+);
+
+@callable =
+  @closure_expr
+| @function
+;
+
+#keyset[id]
+callable_names(
+  int id: @callable ref,
+  string name: string ref
+);
+
+#keyset[id]
+callable_self_params(
+  int id: @callable ref,
+  int self_param: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+callable_params(
+  int id: @callable ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+#keyset[id]
+callable_bodies(
+  int id: @callable ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id, index]
+callable_captures(
+  int id: @callable ref,
+  int index: int ref,
+  int capture: @captured_decl_or_none ref
+);
+
+@file =
+  @db_file
+;
+
+#keyset[id]
+files(
+  int id: @file ref,
+  string name: string ref
+);
+
+#keyset[id]
+file_is_successfully_extracted(
+  int id: @file ref
+);
+
+@locatable =
+  @argument
+| @ast_node
+| @comment
+| @diagnostics
+| @error_element
+;
+
+#keyset[id]
+locatable_locations(
+  int id: @locatable ref,
+  int location: @location_or_none ref
+);
+
+@location =
+  @db_location
+;
+
+#keyset[id]
+locations(
+  int id: @location ref,
+  int file: @file_or_none ref,
+  int start_line: int ref,
+  int start_column: int ref,
+  int end_line: int ref,
+  int end_column: int ref
+);
+
+@ast_node =
+  @availability_info
+| @availability_spec
+| @case_label_item
+| @condition_element
+| @decl
+| @expr
+| @key_path_component
+| @pattern
+| @stmt
+| @stmt_condition
+| @type_repr
+;
+
+comments(
+  unique int id: @comment,
+  string text: string ref
+);
+
+db_files(
+  unique int id: @db_file
+);
+
+db_locations(
+  unique int id: @db_location
+);
+
+diagnostics(
+  unique int id: @diagnostics,
+  string text: string ref,
+  int kind: int ref
+);
+
+@error_element =
+  @error_expr
+| @error_type
+| @overloaded_decl_ref_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_chain_result_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @unresolved_type
+| @unresolved_type_conversion_expr
+| @unspecified_element
+;
+
+availability_infos(
+  unique int id: @availability_info
+);
+
+#keyset[id]
+availability_info_is_unavailable(
+  int id: @availability_info ref
+);
+
+#keyset[id, index]
+availability_info_specs(
+  int id: @availability_info ref,
+  int index: int ref,
+  int spec: @availability_spec_or_none ref
+);
+
+@availability_spec =
+  @other_availability_spec
+| @platform_version_availability_spec
+;
+
+key_path_components(
+  unique int id: @key_path_component,
+  int kind: int ref,
+  int component_type: @type_or_none ref
+);
+
+#keyset[id, index]
+key_path_component_subscript_arguments(
+  int id: @key_path_component ref,
+  int index: int ref,
+  int subscript_argument: @argument_or_none ref
+);
+
+#keyset[id]
+key_path_component_tuple_indices(
+  int id: @key_path_component ref,
+  int tuple_index: int ref
+);
+
+#keyset[id]
+key_path_component_decl_refs(
+  int id: @key_path_component ref,
+  int decl_ref: @value_decl_or_none ref
+);
+
+unspecified_elements(
+  unique int id: @unspecified_element,
+  string property: string ref,
+  string error: string ref
+);
+
+#keyset[id]
+unspecified_element_parents(
+  int id: @unspecified_element ref,
+  int parent: @element ref
+);
+
+#keyset[id]
+unspecified_element_indices(
+  int id: @unspecified_element ref,
+  int index: int ref
+);
+
+#keyset[id, index]
+unspecified_element_children(
+  int id: @unspecified_element ref,
+  int index: int ref,
+  int child: @ast_node_or_none ref
+);
+
+other_availability_specs(
+  unique int id: @other_availability_spec
+);
+
+platform_version_availability_specs(
+  unique int id: @platform_version_availability_spec,
+  string platform: string ref,
+  string version: string ref
+);
+
+@decl =
+  @captured_decl
+| @enum_case_decl
+| @extension_decl
+| @if_config_decl
+| @import_decl
+| @missing_member_decl
+| @operator_decl
+| @pattern_binding_decl
+| @pound_diagnostic_decl
+| @precedence_group_decl
+| @top_level_code_decl
+| @value_decl
+;
+
+#keyset[id]
+decls(  //dir=decl
+  int id: @decl ref,
+  int module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+decl_members(  //dir=decl
+  int id: @decl ref,
+  int index: int ref,
+  int member: @decl_or_none ref
+);
+
+@generic_context =
+  @extension_decl
+| @function
+| @generic_type_decl
+| @subscript_decl
+;
+
+#keyset[id, index]
+generic_context_generic_type_params(  //dir=decl
+  int id: @generic_context ref,
+  int index: int ref,
+  int generic_type_param: @generic_type_param_decl_or_none ref
+);
+
+captured_decls(  //dir=decl
+  unique int id: @captured_decl,
+  int decl: @value_decl_or_none ref
+);
+
+#keyset[id]
+captured_decl_is_direct(  //dir=decl
+  int id: @captured_decl ref
+);
+
+#keyset[id]
+captured_decl_is_escaping(  //dir=decl
+  int id: @captured_decl ref
+);
+
+enum_case_decls(  //dir=decl
+  unique int id: @enum_case_decl
+);
+
+#keyset[id, index]
+enum_case_decl_elements(  //dir=decl
+  int id: @enum_case_decl ref,
+  int index: int ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+extension_decls(  //dir=decl
+  unique int id: @extension_decl,
+  int extended_type_decl: @nominal_type_decl_or_none ref
+);
+
+#keyset[id, index]
+extension_decl_protocols(  //dir=decl
+  int id: @extension_decl ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+if_config_decls(  //dir=decl
+  unique int id: @if_config_decl
+);
+
+#keyset[id, index]
+if_config_decl_active_elements(  //dir=decl
+  int id: @if_config_decl ref,
+  int index: int ref,
+  int active_element: @ast_node_or_none ref
+);
+
+import_decls(  //dir=decl
+  unique int id: @import_decl
+);
+
+#keyset[id]
+import_decl_is_exported(  //dir=decl
+  int id: @import_decl ref
+);
+
+#keyset[id]
+import_decl_imported_modules(  //dir=decl
+  int id: @import_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+import_decl_declarations(  //dir=decl
+  int id: @import_decl ref,
+  int index: int ref,
+  int declaration: @value_decl_or_none ref
+);
+
+missing_member_decls(  //dir=decl
+  unique int id: @missing_member_decl,
+  string name: string ref
+);
+
+@operator_decl =
+  @infix_operator_decl
+| @postfix_operator_decl
+| @prefix_operator_decl
+;
+
+#keyset[id]
+operator_decls(  //dir=decl
+  int id: @operator_decl ref,
+  string name: string ref
+);
+
+pattern_binding_decls(  //dir=decl
+  unique int id: @pattern_binding_decl
+);
+
+#keyset[id, index]
+pattern_binding_decl_inits(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int init: @expr_or_none ref
+);
+
+#keyset[id, index]
+pattern_binding_decl_patterns(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int pattern: @pattern_or_none ref
+);
+
+pound_diagnostic_decls(  //dir=decl
+  unique int id: @pound_diagnostic_decl,
+  int kind: int ref,
+  int message: @string_literal_expr_or_none ref
+);
+
+precedence_group_decls(  //dir=decl
+  unique int id: @precedence_group_decl
+);
+
+top_level_code_decls(  //dir=decl
+  unique int id: @top_level_code_decl,
+  int body: @brace_stmt_or_none ref
+);
+
+@value_decl =
+  @abstract_storage_decl
+| @enum_element_decl
+| @function
+| @type_decl
+;
+
+#keyset[id]
+value_decls(  //dir=decl
+  int id: @value_decl ref,
+  int interface_type: @type_or_none ref
+);
+
+@abstract_storage_decl =
+  @subscript_decl
+| @var_decl
+;
+
+#keyset[id, index]
+abstract_storage_decl_accessors(  //dir=decl
+  int id: @abstract_storage_decl ref,
+  int index: int ref,
+  int accessor: @accessor_or_none ref
+);
+
+enum_element_decls(  //dir=decl
+  unique int id: @enum_element_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+enum_element_decl_params(  //dir=decl
+  int id: @enum_element_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@function =
+  @accessor_or_named_function
+| @deinitializer
+| @initializer
+;
+
+infix_operator_decls(  //dir=decl
+  unique int id: @infix_operator_decl
+);
+
+#keyset[id]
+infix_operator_decl_precedence_groups(  //dir=decl
+  int id: @infix_operator_decl ref,
+  int precedence_group: @precedence_group_decl_or_none ref
+);
+
+postfix_operator_decls(  //dir=decl
+  unique int id: @postfix_operator_decl
+);
+
+prefix_operator_decls(  //dir=decl
+  unique int id: @prefix_operator_decl
+);
+
+@type_decl =
+  @abstract_type_param_decl
+| @generic_type_decl
+| @module_decl
+;
+
+#keyset[id]
+type_decls(  //dir=decl
+  int id: @type_decl ref,
+  string name: string ref
+);
+
+#keyset[id, index]
+type_decl_inherited_types(  //dir=decl
+  int id: @type_decl ref,
+  int index: int ref,
+  int inherited_type: @type_or_none ref
+);
+
+@abstract_type_param_decl =
+  @associated_type_decl
+| @generic_type_param_decl
+;
+
+@accessor_or_named_function =
+  @accessor
+| @named_function
+;
+
+deinitializers(  //dir=decl
+  unique int id: @deinitializer
+);
+
+@generic_type_decl =
+  @nominal_type_decl
+| @opaque_type_decl
+| @type_alias_decl
+;
+
+initializers(  //dir=decl
+  unique int id: @initializer
+);
+
+module_decls(  //dir=decl
+  unique int id: @module_decl
+);
+
+#keyset[id]
+module_decl_is_builtin_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+#keyset[id]
+module_decl_is_system_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+module_decl_imported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+module_decl_exported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int exported_module: @module_decl_or_none ref
+);
+
+subscript_decls(  //dir=decl
+  unique int id: @subscript_decl,
+  int element_type: @type_or_none ref
+);
+
+#keyset[id, index]
+subscript_decl_params(  //dir=decl
+  int id: @subscript_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@var_decl =
+  @concrete_var_decl
+| @param_decl
+;
+
+#keyset[id]
+var_decls(  //dir=decl
+  int id: @var_decl ref,
+  string name: string ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_attached_property_wrapper_types(  //dir=decl
+  int id: @var_decl ref,
+  int attached_property_wrapper_type: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_patterns(  //dir=decl
+  int id: @var_decl ref,
+  int parent_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_initializers(  //dir=decl
+  int id: @var_decl ref,
+  int parent_initializer: @expr_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var: @var_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var: @var_decl_or_none ref
+);
+
+accessors(  //dir=decl
+  unique int id: @accessor
+);
+
+#keyset[id]
+accessor_is_getter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_setter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_will_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_did_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_read(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_modify(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_address(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_mutable_address(  //dir=decl
+  int id: @accessor ref
+);
+
+associated_type_decls(  //dir=decl
+  unique int id: @associated_type_decl
+);
+
+concrete_var_decls(  //dir=decl
+  unique int id: @concrete_var_decl,
+  int introducer_int: int ref
+);
+
+generic_type_param_decls(  //dir=decl
+  unique int id: @generic_type_param_decl
+);
+
+named_functions(  //dir=decl
+  unique int id: @named_function
+);
+
+@nominal_type_decl =
+  @class_decl
+| @enum_decl
+| @protocol_decl
+| @struct_decl
+;
+
+#keyset[id]
+nominal_type_decls(  //dir=decl
+  int id: @nominal_type_decl ref,
+  int type_: @type_or_none ref
+);
+
+opaque_type_decls(  //dir=decl
+  unique int id: @opaque_type_decl,
+  int naming_declaration: @value_decl_or_none ref
+);
+
+#keyset[id, index]
+opaque_type_decl_opaque_generic_params(  //dir=decl
+  int id: @opaque_type_decl ref,
+  int index: int ref,
+  int opaque_generic_param: @generic_type_param_type_or_none ref
+);
+
+param_decls(  //dir=decl
+  unique int id: @param_decl
+);
+
+#keyset[id]
+param_decl_is_inout(  //dir=decl
+  int id: @param_decl ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_var_bindings(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_vars(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var: @var_decl_or_none ref
+);
+
+type_alias_decls(  //dir=decl
+  unique int id: @type_alias_decl,
+  int aliased_type: @type_or_none ref
+);
+
+class_decls(  //dir=decl
+  unique int id: @class_decl
+);
+
+enum_decls(  //dir=decl
+  unique int id: @enum_decl
+);
+
+protocol_decls(  //dir=decl
+  unique int id: @protocol_decl
+);
+
+struct_decls(  //dir=decl
+  unique int id: @struct_decl
+);
+
+arguments(  //dir=expr
+  unique int id: @argument,
+  string label: string ref,
+  int expr: @expr_or_none ref
+);
+
+@expr =
+  @any_try_expr
+| @applied_property_wrapper_expr
+| @apply_expr
+| @assign_expr
+| @bind_optional_expr
+| @capture_list_expr
+| @closure_expr
+| @collection_expr
+| @consume_expr
+| @copy_expr
+| @decl_ref_expr
+| @default_argument_expr
+| @discard_assignment_expr
+| @dot_syntax_base_ignored_expr
+| @dynamic_type_expr
+| @enum_is_case_expr
+| @error_expr
+| @explicit_cast_expr
+| @force_value_expr
+| @identity_expr
+| @if_expr
+| @implicit_conversion_expr
+| @in_out_expr
+| @key_path_application_expr
+| @key_path_dot_expr
+| @key_path_expr
+| @lazy_initialization_expr
+| @literal_expr
+| @lookup_expr
+| @make_temporarily_escapable_expr
+| @obj_c_selector_expr
+| @one_way_expr
+| @opaque_value_expr
+| @open_existential_expr
+| @optional_evaluation_expr
+| @other_initializer_ref_expr
+| @overloaded_decl_ref_expr
+| @pack_element_expr
+| @pack_expansion_expr
+| @property_wrapper_value_placeholder_expr
+| @rebind_self_in_initializer_expr
+| @sequence_expr
+| @single_value_stmt_expr
+| @super_ref_expr
+| @tap_expr
+| @tuple_element_expr
+| @tuple_expr
+| @type_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @vararg_expansion_expr
+;
+
+#keyset[id]
+expr_types(  //dir=expr
+  int id: @expr ref,
+  int type_: @type_or_none ref
+);
+
+@any_try_expr =
+  @force_try_expr
+| @optional_try_expr
+| @try_expr
+;
+
+#keyset[id]
+any_try_exprs(  //dir=expr
+  int id: @any_try_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+applied_property_wrapper_exprs(  //dir=expr
+  unique int id: @applied_property_wrapper_expr,
+  int kind: int ref,
+  int value: @expr_or_none ref,
+  int param: @param_decl_or_none ref
+);
+
+@apply_expr =
+  @binary_expr
+| @call_expr
+| @postfix_unary_expr
+| @prefix_unary_expr
+| @self_apply_expr
+;
+
+#keyset[id]
+apply_exprs(  //dir=expr
+  int id: @apply_expr ref,
+  int function: @expr_or_none ref
+);
+
+#keyset[id, index]
+apply_expr_arguments(  //dir=expr
+  int id: @apply_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+assign_exprs(  //dir=expr
+  unique int id: @assign_expr,
+  int dest: @expr_or_none ref,
+  int source: @expr_or_none ref
+);
+
+bind_optional_exprs(  //dir=expr
+  unique int id: @bind_optional_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+capture_list_exprs(  //dir=expr
+  unique int id: @capture_list_expr,
+  int closure_body: @closure_expr_or_none ref
+);
+
+#keyset[id, index]
+capture_list_expr_binding_decls(  //dir=expr
+  int id: @capture_list_expr ref,
+  int index: int ref,
+  int binding_decl: @pattern_binding_decl_or_none ref
+);
+
+@closure_expr =
+  @auto_closure_expr
+| @explicit_closure_expr
+;
+
+@collection_expr =
+  @array_expr
+| @dictionary_expr
+;
+
+consume_exprs(  //dir=expr
+  unique int id: @consume_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+copy_exprs(  //dir=expr
+  unique int id: @copy_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+decl_ref_exprs(  //dir=expr
+  unique int id: @decl_ref_expr,
+  int decl: @decl_or_none ref
+);
+
+#keyset[id, index]
+decl_ref_expr_replacement_types(  //dir=expr
+  int id: @decl_ref_expr ref,
+  int index: int ref,
+  int replacement_type: @type_or_none ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+default_argument_exprs(  //dir=expr
+  unique int id: @default_argument_expr,
+  int param_decl: @param_decl_or_none ref,
+  int param_index: int ref
+);
+
+#keyset[id]
+default_argument_expr_caller_side_defaults(  //dir=expr
+  int id: @default_argument_expr ref,
+  int caller_side_default: @expr_or_none ref
+);
+
+discard_assignment_exprs(  //dir=expr
+  unique int id: @discard_assignment_expr
+);
+
+dot_syntax_base_ignored_exprs(  //dir=expr
+  unique int id: @dot_syntax_base_ignored_expr,
+  int qualifier: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+dynamic_type_exprs(  //dir=expr
+  unique int id: @dynamic_type_expr,
+  int base: @expr_or_none ref
+);
+
+enum_is_case_exprs(  //dir=expr
+  unique int id: @enum_is_case_expr,
+  int sub_expr: @expr_or_none ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+error_exprs(  //dir=expr
+  unique int id: @error_expr
+);
+
+@explicit_cast_expr =
+  @checked_cast_expr
+| @coerce_expr
+;
+
+#keyset[id]
+explicit_cast_exprs(  //dir=expr
+  int id: @explicit_cast_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+force_value_exprs(  //dir=expr
+  unique int id: @force_value_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@identity_expr =
+  @await_expr
+| @borrow_expr
+| @dot_self_expr
+| @paren_expr
+| @unresolved_member_chain_result_expr
+;
+
+#keyset[id]
+identity_exprs(  //dir=expr
+  int id: @identity_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+if_exprs(  //dir=expr
+  unique int id: @if_expr,
+  int condition: @expr_or_none ref,
+  int then_expr: @expr_or_none ref,
+  int else_expr: @expr_or_none ref
+);
+
+@implicit_conversion_expr =
+  @abi_safe_conversion_expr
+| @any_hashable_erasure_expr
+| @archetype_to_super_expr
+| @array_to_pointer_expr
+| @bridge_from_obj_c_expr
+| @bridge_to_obj_c_expr
+| @class_metatype_to_object_expr
+| @collection_upcast_conversion_expr
+| @conditional_bridge_from_obj_c_expr
+| @covariant_function_conversion_expr
+| @covariant_return_conversion_expr
+| @derived_to_base_expr
+| @destructure_tuple_expr
+| @differentiable_function_expr
+| @differentiable_function_extract_original_expr
+| @erasure_expr
+| @existential_metatype_to_object_expr
+| @foreign_object_conversion_expr
+| @function_conversion_expr
+| @in_out_to_pointer_expr
+| @inject_into_optional_expr
+| @linear_function_expr
+| @linear_function_extract_original_expr
+| @linear_to_differentiable_function_expr
+| @load_expr
+| @metatype_conversion_expr
+| @pointer_to_pointer_expr
+| @protocol_metatype_to_object_expr
+| @string_to_pointer_expr
+| @underlying_to_opaque_expr
+| @unevaluated_instance_expr
+| @unresolved_type_conversion_expr
+;
+
+#keyset[id]
+implicit_conversion_exprs(  //dir=expr
+  int id: @implicit_conversion_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+in_out_exprs(  //dir=expr
+  unique int id: @in_out_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+key_path_application_exprs(  //dir=expr
+  unique int id: @key_path_application_expr,
+  int base: @expr_or_none ref,
+  int key_path: @expr_or_none ref
+);
+
+key_path_dot_exprs(  //dir=expr
+  unique int id: @key_path_dot_expr
+);
+
+key_path_exprs(  //dir=expr
+  unique int id: @key_path_expr
+);
+
+#keyset[id]
+key_path_expr_roots(  //dir=expr
+  int id: @key_path_expr ref,
+  int root: @type_repr_or_none ref
+);
+
+#keyset[id, index]
+key_path_expr_components(  //dir=expr
+  int id: @key_path_expr ref,
+  int index: int ref,
+  int component: @key_path_component_or_none ref
+);
+
+lazy_initialization_exprs(  //dir=expr
+  unique int id: @lazy_initialization_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@literal_expr =
+  @builtin_literal_expr
+| @interpolated_string_literal_expr
+| @nil_literal_expr
+| @object_literal_expr
+| @regex_literal_expr
+;
+
+@lookup_expr =
+  @dynamic_lookup_expr
+| @member_ref_expr
+| @subscript_expr
+;
+
+#keyset[id]
+lookup_exprs(  //dir=expr
+  int id: @lookup_expr ref,
+  int base: @expr_or_none ref
+);
+
+#keyset[id]
+lookup_expr_members(  //dir=expr
+  int id: @lookup_expr ref,
+  int member: @decl_or_none ref
+);
+
+make_temporarily_escapable_exprs(  //dir=expr
+  unique int id: @make_temporarily_escapable_expr,
+  int escaping_closure: @opaque_value_expr_or_none ref,
+  int nonescaping_closure: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+obj_c_selector_exprs(  //dir=expr
+  unique int id: @obj_c_selector_expr,
+  int sub_expr: @expr_or_none ref,
+  int method: @function_or_none ref
+);
+
+one_way_exprs(  //dir=expr
+  unique int id: @one_way_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+opaque_value_exprs(  //dir=expr
+  unique int id: @opaque_value_expr
+);
+
+open_existential_exprs(  //dir=expr
+  unique int id: @open_existential_expr,
+  int sub_expr: @expr_or_none ref,
+  int existential: @expr_or_none ref,
+  int opaque_expr: @opaque_value_expr_or_none ref
+);
+
+optional_evaluation_exprs(  //dir=expr
+  unique int id: @optional_evaluation_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+other_initializer_ref_exprs(  //dir=expr
+  unique int id: @other_initializer_ref_expr,
+  int initializer: @initializer_or_none ref
+);
+
+overloaded_decl_ref_exprs(  //dir=expr
+  unique int id: @overloaded_decl_ref_expr
+);
+
+#keyset[id, index]
+overloaded_decl_ref_expr_possible_declarations(  //dir=expr
+  int id: @overloaded_decl_ref_expr ref,
+  int index: int ref,
+  int possible_declaration: @value_decl_or_none ref
+);
+
+pack_element_exprs(  //dir=expr
+  unique int id: @pack_element_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+pack_expansion_exprs(  //dir=expr
+  unique int id: @pack_expansion_expr,
+  int pattern_expr: @expr_or_none ref
+);
+
+property_wrapper_value_placeholder_exprs(  //dir=expr
+  unique int id: @property_wrapper_value_placeholder_expr,
+  int placeholder: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+property_wrapper_value_placeholder_expr_wrapped_values(  //dir=expr
+  int id: @property_wrapper_value_placeholder_expr ref,
+  int wrapped_value: @expr_or_none ref
+);
+
+rebind_self_in_initializer_exprs(  //dir=expr
+  unique int id: @rebind_self_in_initializer_expr,
+  int sub_expr: @expr_or_none ref,
+  int self: @var_decl_or_none ref
+);
+
+sequence_exprs(  //dir=expr
+  unique int id: @sequence_expr
+);
+
+#keyset[id, index]
+sequence_expr_elements(  //dir=expr
+  int id: @sequence_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+single_value_stmt_exprs(  //dir=expr
+  unique int id: @single_value_stmt_expr,
+  int stmt: @stmt_or_none ref
+);
+
+super_ref_exprs(  //dir=expr
+  unique int id: @super_ref_expr,
+  int self: @var_decl_or_none ref
+);
+
+tap_exprs(  //dir=expr
+  unique int id: @tap_expr,
+  int body: @brace_stmt_or_none ref,
+  int var: @var_decl_or_none ref
+);
+
+#keyset[id]
+tap_expr_sub_exprs(  //dir=expr
+  int id: @tap_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+tuple_element_exprs(  //dir=expr
+  unique int id: @tuple_element_expr,
+  int sub_expr: @expr_or_none ref,
+  int index: int ref
+);
+
+tuple_exprs(  //dir=expr
+  unique int id: @tuple_expr
+);
+
+#keyset[id, index]
+tuple_expr_elements(  //dir=expr
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+type_exprs(  //dir=expr
+  unique int id: @type_expr
+);
+
+#keyset[id]
+type_expr_type_reprs(  //dir=expr
+  int id: @type_expr ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+unresolved_decl_ref_exprs(  //dir=expr
+  unique int id: @unresolved_decl_ref_expr
+);
+
+#keyset[id]
+unresolved_decl_ref_expr_names(  //dir=expr
+  int id: @unresolved_decl_ref_expr ref,
+  string name: string ref
+);
+
+unresolved_dot_exprs(  //dir=expr
+  unique int id: @unresolved_dot_expr,
+  int base: @expr_or_none ref,
+  string name: string ref
+);
+
+unresolved_member_exprs(  //dir=expr
+  unique int id: @unresolved_member_expr,
+  string name: string ref
+);
+
+unresolved_pattern_exprs(  //dir=expr
+  unique int id: @unresolved_pattern_expr,
+  int sub_pattern: @pattern_or_none ref
+);
+
+unresolved_specialize_exprs(  //dir=expr
+  unique int id: @unresolved_specialize_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+vararg_expansion_exprs(  //dir=expr
+  unique int id: @vararg_expansion_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+abi_safe_conversion_exprs(  //dir=expr
+  unique int id: @abi_safe_conversion_expr
+);
+
+any_hashable_erasure_exprs(  //dir=expr
+  unique int id: @any_hashable_erasure_expr
+);
+
+archetype_to_super_exprs(  //dir=expr
+  unique int id: @archetype_to_super_expr
+);
+
+array_exprs(  //dir=expr
+  unique int id: @array_expr
+);
+
+#keyset[id, index]
+array_expr_elements(  //dir=expr
+  int id: @array_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+array_to_pointer_exprs(  //dir=expr
+  unique int id: @array_to_pointer_expr
+);
+
+auto_closure_exprs(  //dir=expr
+  unique int id: @auto_closure_expr
+);
+
+await_exprs(  //dir=expr
+  unique int id: @await_expr
+);
+
+binary_exprs(  //dir=expr
+  unique int id: @binary_expr
+);
+
+borrow_exprs(  //dir=expr
+  unique int id: @borrow_expr
+);
+
+bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_from_obj_c_expr
+);
+
+bridge_to_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_to_obj_c_expr
+);
+
+@builtin_literal_expr =
+  @boolean_literal_expr
+| @magic_identifier_literal_expr
+| @number_literal_expr
+| @string_literal_expr
+;
+
+call_exprs(  //dir=expr
+  unique int id: @call_expr
+);
+
+@checked_cast_expr =
+  @conditional_checked_cast_expr
+| @forced_checked_cast_expr
+| @is_expr
+;
+
+class_metatype_to_object_exprs(  //dir=expr
+  unique int id: @class_metatype_to_object_expr
+);
+
+coerce_exprs(  //dir=expr
+  unique int id: @coerce_expr
+);
+
+collection_upcast_conversion_exprs(  //dir=expr
+  unique int id: @collection_upcast_conversion_expr
+);
+
+conditional_bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @conditional_bridge_from_obj_c_expr
+);
+
+covariant_function_conversion_exprs(  //dir=expr
+  unique int id: @covariant_function_conversion_expr
+);
+
+covariant_return_conversion_exprs(  //dir=expr
+  unique int id: @covariant_return_conversion_expr
+);
+
+derived_to_base_exprs(  //dir=expr
+  unique int id: @derived_to_base_expr
+);
+
+destructure_tuple_exprs(  //dir=expr
+  unique int id: @destructure_tuple_expr
+);
+
+dictionary_exprs(  //dir=expr
+  unique int id: @dictionary_expr
+);
+
+#keyset[id, index]
+dictionary_expr_elements(  //dir=expr
+  int id: @dictionary_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+differentiable_function_exprs(  //dir=expr
+  unique int id: @differentiable_function_expr
+);
+
+differentiable_function_extract_original_exprs(  //dir=expr
+  unique int id: @differentiable_function_extract_original_expr
+);
+
+dot_self_exprs(  //dir=expr
+  unique int id: @dot_self_expr
+);
+
+@dynamic_lookup_expr =
+  @dynamic_member_ref_expr
+| @dynamic_subscript_expr
+;
+
+erasure_exprs(  //dir=expr
+  unique int id: @erasure_expr
+);
+
+existential_metatype_to_object_exprs(  //dir=expr
+  unique int id: @existential_metatype_to_object_expr
+);
+
+explicit_closure_exprs(  //dir=expr
+  unique int id: @explicit_closure_expr
+);
+
+force_try_exprs(  //dir=expr
+  unique int id: @force_try_expr
+);
+
+foreign_object_conversion_exprs(  //dir=expr
+  unique int id: @foreign_object_conversion_expr
+);
+
+function_conversion_exprs(  //dir=expr
+  unique int id: @function_conversion_expr
+);
+
+in_out_to_pointer_exprs(  //dir=expr
+  unique int id: @in_out_to_pointer_expr
+);
+
+inject_into_optional_exprs(  //dir=expr
+  unique int id: @inject_into_optional_expr
+);
+
+interpolated_string_literal_exprs(  //dir=expr
+  unique int id: @interpolated_string_literal_expr
+);
+
+#keyset[id]
+interpolated_string_literal_expr_interpolation_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int interpolation_expr: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+interpolated_string_literal_expr_appending_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int appending_expr: @tap_expr_or_none ref
+);
+
+linear_function_exprs(  //dir=expr
+  unique int id: @linear_function_expr
+);
+
+linear_function_extract_original_exprs(  //dir=expr
+  unique int id: @linear_function_extract_original_expr
+);
+
+linear_to_differentiable_function_exprs(  //dir=expr
+  unique int id: @linear_to_differentiable_function_expr
+);
+
+load_exprs(  //dir=expr
+  unique int id: @load_expr
+);
+
+member_ref_exprs(  //dir=expr
+  unique int id: @member_ref_expr
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+metatype_conversion_exprs(  //dir=expr
+  unique int id: @metatype_conversion_expr
+);
+
+nil_literal_exprs(  //dir=expr
+  unique int id: @nil_literal_expr
+);
+
+object_literal_exprs(  //dir=expr
+  unique int id: @object_literal_expr,
+  int kind: int ref
+);
+
+#keyset[id, index]
+object_literal_expr_arguments(  //dir=expr
+  int id: @object_literal_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+optional_try_exprs(  //dir=expr
+  unique int id: @optional_try_expr
+);
+
+paren_exprs(  //dir=expr
+  unique int id: @paren_expr
+);
+
+pointer_to_pointer_exprs(  //dir=expr
+  unique int id: @pointer_to_pointer_expr
+);
+
+postfix_unary_exprs(  //dir=expr
+  unique int id: @postfix_unary_expr
+);
+
+prefix_unary_exprs(  //dir=expr
+  unique int id: @prefix_unary_expr
+);
+
+protocol_metatype_to_object_exprs(  //dir=expr
+  unique int id: @protocol_metatype_to_object_expr
+);
+
+regex_literal_exprs(  //dir=expr
+  unique int id: @regex_literal_expr,
+  string pattern: string ref,
+  int version: int ref
+);
+
+@self_apply_expr =
+  @dot_syntax_call_expr
+| @initializer_ref_call_expr
+;
+
+#keyset[id]
+self_apply_exprs(  //dir=expr
+  int id: @self_apply_expr ref,
+  int base: @expr_or_none ref
+);
+
+string_to_pointer_exprs(  //dir=expr
+  unique int id: @string_to_pointer_expr
+);
+
+subscript_exprs(  //dir=expr
+  unique int id: @subscript_expr
+);
+
+#keyset[id, index]
+subscript_expr_arguments(  //dir=expr
+  int id: @subscript_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_ordinary_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+try_exprs(  //dir=expr
+  unique int id: @try_expr
+);
+
+underlying_to_opaque_exprs(  //dir=expr
+  unique int id: @underlying_to_opaque_expr
+);
+
+unevaluated_instance_exprs(  //dir=expr
+  unique int id: @unevaluated_instance_expr
+);
+
+unresolved_member_chain_result_exprs(  //dir=expr
+  unique int id: @unresolved_member_chain_result_expr
+);
+
+unresolved_type_conversion_exprs(  //dir=expr
+  unique int id: @unresolved_type_conversion_expr
+);
+
+boolean_literal_exprs(  //dir=expr
+  unique int id: @boolean_literal_expr,
+  boolean value: boolean ref
+);
+
+conditional_checked_cast_exprs(  //dir=expr
+  unique int id: @conditional_checked_cast_expr
+);
+
+dot_syntax_call_exprs(  //dir=expr
+  unique int id: @dot_syntax_call_expr
+);
+
+dynamic_member_ref_exprs(  //dir=expr
+  unique int id: @dynamic_member_ref_expr
+);
+
+dynamic_subscript_exprs(  //dir=expr
+  unique int id: @dynamic_subscript_expr
+);
+
+forced_checked_cast_exprs(  //dir=expr
+  unique int id: @forced_checked_cast_expr
+);
+
+initializer_ref_call_exprs(  //dir=expr
+  unique int id: @initializer_ref_call_expr
+);
+
+is_exprs(  //dir=expr
+  unique int id: @is_expr
+);
+
+magic_identifier_literal_exprs(  //dir=expr
+  unique int id: @magic_identifier_literal_expr,
+  string kind: string ref
+);
+
+@number_literal_expr =
+  @float_literal_expr
+| @integer_literal_expr
+;
+
+string_literal_exprs(  //dir=expr
+  unique int id: @string_literal_expr,
+  string value: string ref
+);
+
+float_literal_exprs(  //dir=expr
+  unique int id: @float_literal_expr,
+  string string_value: string ref
+);
+
+integer_literal_exprs(  //dir=expr
+  unique int id: @integer_literal_expr,
+  string string_value: string ref
+);
+
+@pattern =
+  @any_pattern
+| @binding_pattern
+| @bool_pattern
+| @enum_element_pattern
+| @expr_pattern
+| @is_pattern
+| @named_pattern
+| @optional_some_pattern
+| @paren_pattern
+| @tuple_pattern
+| @typed_pattern
+;
+
+any_patterns(  //dir=pattern
+  unique int id: @any_pattern
+);
+
+binding_patterns(  //dir=pattern
+  unique int id: @binding_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+bool_patterns(  //dir=pattern
+  unique int id: @bool_pattern,
+  boolean value: boolean ref
+);
+
+enum_element_patterns(  //dir=pattern
+  unique int id: @enum_element_pattern,
+  int element: @enum_element_decl_or_none ref
+);
+
+#keyset[id]
+enum_element_pattern_sub_patterns(  //dir=pattern
+  int id: @enum_element_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+expr_patterns(  //dir=pattern
+  unique int id: @expr_pattern,
+  int sub_expr: @expr_or_none ref
+);
+
+is_patterns(  //dir=pattern
+  unique int id: @is_pattern
+);
+
+#keyset[id]
+is_pattern_cast_type_reprs(  //dir=pattern
+  int id: @is_pattern ref,
+  int cast_type_repr: @type_repr_or_none ref
+);
+
+#keyset[id]
+is_pattern_sub_patterns(  //dir=pattern
+  int id: @is_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+named_patterns(  //dir=pattern
+  unique int id: @named_pattern,
+  int var_decl: @var_decl_or_none ref
+);
+
+optional_some_patterns(  //dir=pattern
+  unique int id: @optional_some_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+paren_patterns(  //dir=pattern
+  unique int id: @paren_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+tuple_patterns(  //dir=pattern
+  unique int id: @tuple_pattern
+);
+
+#keyset[id, index]
+tuple_pattern_elements(  //dir=pattern
+  int id: @tuple_pattern ref,
+  int index: int ref,
+  int element: @pattern_or_none ref
+);
+
+typed_patterns(  //dir=pattern
+  unique int id: @typed_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+typed_pattern_type_reprs(  //dir=pattern
+  int id: @typed_pattern ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+case_label_items(  //dir=stmt
+  unique int id: @case_label_item,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+case_label_item_guards(  //dir=stmt
+  int id: @case_label_item ref,
+  int guard: @expr_or_none ref
+);
+
+condition_elements(  //dir=stmt
+  unique int id: @condition_element
+);
+
+#keyset[id]
+condition_element_booleans(  //dir=stmt
+  int id: @condition_element ref,
+  int boolean_: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_patterns(  //dir=stmt
+  int id: @condition_element ref,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+condition_element_initializers(  //dir=stmt
+  int id: @condition_element ref,
+  int initializer: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_availabilities(  //dir=stmt
+  int id: @condition_element ref,
+  int availability: @availability_info_or_none ref
+);
+
+@stmt =
+  @brace_stmt
+| @break_stmt
+| @case_stmt
+| @continue_stmt
+| @defer_stmt
+| @fail_stmt
+| @fallthrough_stmt
+| @labeled_stmt
+| @pound_assert_stmt
+| @return_stmt
+| @throw_stmt
+| @yield_stmt
+;
+
+stmt_conditions(  //dir=stmt
+  unique int id: @stmt_condition
+);
+
+#keyset[id, index]
+stmt_condition_elements(  //dir=stmt
+  int id: @stmt_condition ref,
+  int index: int ref,
+  int element: @condition_element_or_none ref
+);
+
+brace_stmts(  //dir=stmt
+  unique int id: @brace_stmt
+);
+
+#keyset[id, index]
+brace_stmt_elements(  //dir=stmt
+  int id: @brace_stmt ref,
+  int index: int ref,
+  int element: @ast_node_or_none ref
+);
+
+break_stmts(  //dir=stmt
+  unique int id: @break_stmt
+);
+
+#keyset[id]
+break_stmt_target_names(  //dir=stmt
+  int id: @break_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+break_stmt_targets(  //dir=stmt
+  int id: @break_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+case_stmts(  //dir=stmt
+  unique int id: @case_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_labels(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int label: @case_label_item_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_variables(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_or_none ref
+);
+
+continue_stmts(  //dir=stmt
+  unique int id: @continue_stmt
+);
+
+#keyset[id]
+continue_stmt_target_names(  //dir=stmt
+  int id: @continue_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+continue_stmt_targets(  //dir=stmt
+  int id: @continue_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+defer_stmts(  //dir=stmt
+  unique int id: @defer_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+fail_stmts(  //dir=stmt
+  unique int id: @fail_stmt
+);
+
+fallthrough_stmts(  //dir=stmt
+  unique int id: @fallthrough_stmt,
+  int fallthrough_source: @case_stmt_or_none ref,
+  int fallthrough_dest: @case_stmt_or_none ref
+);
+
+@labeled_stmt =
+  @do_catch_stmt
+| @do_stmt
+| @for_each_stmt
+| @labeled_conditional_stmt
+| @repeat_while_stmt
+| @switch_stmt
+;
+
+#keyset[id]
+labeled_stmt_labels(  //dir=stmt
+  int id: @labeled_stmt ref,
+  string label: string ref
+);
+
+pound_assert_stmts(  //dir=stmt
+  unique int id: @pound_assert_stmt,
+  int condition: @expr_or_none ref,
+  string message: string ref
+);
+
+return_stmts(  //dir=stmt
+  unique int id: @return_stmt
+);
+
+#keyset[id]
+return_stmt_results(  //dir=stmt
+  int id: @return_stmt ref,
+  int result: @expr_or_none ref
+);
+
+throw_stmts(  //dir=stmt
+  unique int id: @throw_stmt,
+  int sub_expr: @expr_or_none ref
+);
+
+yield_stmts(  //dir=stmt
+  unique int id: @yield_stmt
+);
+
+#keyset[id, index]
+yield_stmt_results(  //dir=stmt
+  int id: @yield_stmt ref,
+  int index: int ref,
+  int result: @expr_or_none ref
+);
+
+do_catch_stmts(  //dir=stmt
+  unique int id: @do_catch_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+do_catch_stmt_catches(  //dir=stmt
+  int id: @do_catch_stmt ref,
+  int index: int ref,
+  int catch: @case_stmt_or_none ref
+);
+
+do_stmts(  //dir=stmt
+  unique int id: @do_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+for_each_stmts(  //dir=stmt
+  unique int id: @for_each_stmt,
+  int pattern: @pattern_or_none ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_wheres(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int where: @expr_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_iterator_vars(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int iteratorVar: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_next_calls(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int nextCall: @expr_or_none ref
+);
+
+@labeled_conditional_stmt =
+  @guard_stmt
+| @if_stmt
+| @while_stmt
+;
+
+#keyset[id]
+labeled_conditional_stmts(  //dir=stmt
+  int id: @labeled_conditional_stmt ref,
+  int condition: @stmt_condition_or_none ref
+);
+
+repeat_while_stmts(  //dir=stmt
+  unique int id: @repeat_while_stmt,
+  int condition: @expr_or_none ref,
+  int body: @stmt_or_none ref
+);
+
+switch_stmts(  //dir=stmt
+  unique int id: @switch_stmt,
+  int expr: @expr_or_none ref
+);
+
+#keyset[id, index]
+switch_stmt_cases(  //dir=stmt
+  int id: @switch_stmt ref,
+  int index: int ref,
+  int case_: @case_stmt_or_none ref
+);
+
+guard_stmts(  //dir=stmt
+  unique int id: @guard_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+if_stmts(  //dir=stmt
+  unique int id: @if_stmt,
+  int then: @stmt_or_none ref
+);
+
+#keyset[id]
+if_stmt_elses(  //dir=stmt
+  int id: @if_stmt ref,
+  int else: @stmt_or_none ref
+);
+
+while_stmts(  //dir=stmt
+  unique int id: @while_stmt,
+  int body: @stmt_or_none ref
+);
+
+@type =
+  @any_function_type
+| @any_generic_type
+| @any_metatype_type
+| @builtin_type
+| @dependent_member_type
+| @dynamic_self_type
+| @error_type
+| @existential_type
+| @in_out_type
+| @l_value_type
+| @module_type
+| @pack_element_type
+| @pack_expansion_type
+| @pack_type
+| @parameterized_protocol_type
+| @protocol_composition_type
+| @reference_storage_type
+| @substitutable_type
+| @sugar_type
+| @tuple_type
+| @unresolved_type
+;
+
+#keyset[id]
+types(  //dir=type
+  int id: @type ref,
+  string name: string ref,
+  int canonical_type: @type_or_none ref
+);
+
+type_reprs(  //dir=type
+  unique int id: @type_repr,
+  int type_: @type_or_none ref
+);
+
+@any_function_type =
+  @function_type
+| @generic_function_type
+;
+
+#keyset[id]
+any_function_types(  //dir=type
+  int id: @any_function_type ref,
+  int result: @type_or_none ref
+);
+
+#keyset[id, index]
+any_function_type_param_types(  //dir=type
+  int id: @any_function_type ref,
+  int index: int ref,
+  int param_type: @type_or_none ref
+);
+
+#keyset[id]
+any_function_type_is_throwing(  //dir=type
+  int id: @any_function_type ref
+);
+
+#keyset[id]
+any_function_type_is_async(  //dir=type
+  int id: @any_function_type ref
+);
+
+@any_generic_type =
+  @nominal_or_bound_generic_nominal_type
+| @unbound_generic_type
+;
+
+#keyset[id]
+any_generic_types(  //dir=type
+  int id: @any_generic_type ref,
+  int declaration: @generic_type_decl_or_none ref
+);
+
+#keyset[id]
+any_generic_type_parents(  //dir=type
+  int id: @any_generic_type ref,
+  int parent: @type_or_none ref
+);
+
+@any_metatype_type =
+  @existential_metatype_type
+| @metatype_type
+;
+
+@builtin_type =
+  @any_builtin_integer_type
+| @builtin_bridge_object_type
+| @builtin_default_actor_storage_type
+| @builtin_executor_type
+| @builtin_float_type
+| @builtin_job_type
+| @builtin_native_object_type
+| @builtin_raw_pointer_type
+| @builtin_raw_unsafe_continuation_type
+| @builtin_unsafe_value_buffer_type
+| @builtin_vector_type
+;
+
+dependent_member_types(  //dir=type
+  unique int id: @dependent_member_type,
+  int base_type: @type_or_none ref,
+  int associated_type_decl: @associated_type_decl_or_none ref
+);
+
+dynamic_self_types(  //dir=type
+  unique int id: @dynamic_self_type,
+  int static_self_type: @type_or_none ref
+);
+
+error_types(  //dir=type
+  unique int id: @error_type
+);
+
+existential_types(  //dir=type
+  unique int id: @existential_type,
+  int constraint: @type_or_none ref
+);
+
+in_out_types(  //dir=type
+  unique int id: @in_out_type,
+  int object_type: @type_or_none ref
+);
+
+l_value_types(  //dir=type
+  unique int id: @l_value_type,
+  int object_type: @type_or_none ref
+);
+
+module_types(  //dir=type
+  unique int id: @module_type,
+  int module: @module_decl_or_none ref
+);
+
+pack_element_types(  //dir=type
+  unique int id: @pack_element_type,
+  int pack_type: @type_or_none ref
+);
+
+pack_expansion_types(  //dir=type
+  unique int id: @pack_expansion_type,
+  int pattern_type: @type_or_none ref,
+  int count_type: @type_or_none ref
+);
+
+pack_types(  //dir=type
+  unique int id: @pack_type
+);
+
+#keyset[id, index]
+pack_type_elements(  //dir=type
+  int id: @pack_type ref,
+  int index: int ref,
+  int element: @type_or_none ref
+);
+
+parameterized_protocol_types(  //dir=type
+  unique int id: @parameterized_protocol_type,
+  int base: @protocol_type_or_none ref
+);
+
+#keyset[id, index]
+parameterized_protocol_type_args(  //dir=type
+  int id: @parameterized_protocol_type ref,
+  int index: int ref,
+  int arg: @type_or_none ref
+);
+
+protocol_composition_types(  //dir=type
+  unique int id: @protocol_composition_type
+);
+
+#keyset[id, index]
+protocol_composition_type_members(  //dir=type
+  int id: @protocol_composition_type ref,
+  int index: int ref,
+  int member: @type_or_none ref
+);
+
+@reference_storage_type =
+  @unmanaged_storage_type
+| @unowned_storage_type
+| @weak_storage_type
+;
+
+#keyset[id]
+reference_storage_types(  //dir=type
+  int id: @reference_storage_type ref,
+  int referent_type: @type_or_none ref
+);
+
+@substitutable_type =
+  @archetype_type
+| @generic_type_param_type
+;
+
+@sugar_type =
+  @paren_type
+| @syntax_sugar_type
+| @type_alias_type
+;
+
+tuple_types(  //dir=type
+  unique int id: @tuple_type
+);
+
+#keyset[id, index]
+tuple_type_types(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id, index]
+tuple_type_names(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unresolved_types(  //dir=type
+  unique int id: @unresolved_type
+);
+
+@any_builtin_integer_type =
+  @builtin_integer_literal_type
+| @builtin_integer_type
+;
+
+@archetype_type =
+  @local_archetype_type
+| @opaque_type_archetype_type
+| @pack_archetype_type
+| @primary_archetype_type
+;
+
+#keyset[id]
+archetype_types(  //dir=type
+  int id: @archetype_type ref,
+  int interface_type: @type_or_none ref
+);
+
+#keyset[id]
+archetype_type_superclasses(  //dir=type
+  int id: @archetype_type ref,
+  int superclass: @type_or_none ref
+);
+
+#keyset[id, index]
+archetype_type_protocols(  //dir=type
+  int id: @archetype_type ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+builtin_bridge_object_types(  //dir=type
+  unique int id: @builtin_bridge_object_type
+);
+
+builtin_default_actor_storage_types(  //dir=type
+  unique int id: @builtin_default_actor_storage_type
+);
+
+builtin_executor_types(  //dir=type
+  unique int id: @builtin_executor_type
+);
+
+builtin_float_types(  //dir=type
+  unique int id: @builtin_float_type
+);
+
+builtin_job_types(  //dir=type
+  unique int id: @builtin_job_type
+);
+
+builtin_native_object_types(  //dir=type
+  unique int id: @builtin_native_object_type
+);
+
+builtin_raw_pointer_types(  //dir=type
+  unique int id: @builtin_raw_pointer_type
+);
+
+builtin_raw_unsafe_continuation_types(  //dir=type
+  unique int id: @builtin_raw_unsafe_continuation_type
+);
+
+builtin_unsafe_value_buffer_types(  //dir=type
+  unique int id: @builtin_unsafe_value_buffer_type
+);
+
+builtin_vector_types(  //dir=type
+  unique int id: @builtin_vector_type
+);
+
+existential_metatype_types(  //dir=type
+  unique int id: @existential_metatype_type
+);
+
+function_types(  //dir=type
+  unique int id: @function_type
+);
+
+generic_function_types(  //dir=type
+  unique int id: @generic_function_type
+);
+
+#keyset[id, index]
+generic_function_type_generic_params(  //dir=type
+  int id: @generic_function_type ref,
+  int index: int ref,
+  int generic_param: @generic_type_param_type_or_none ref
+);
+
+generic_type_param_types(  //dir=type
+  unique int id: @generic_type_param_type
+);
+
+metatype_types(  //dir=type
+  unique int id: @metatype_type
+);
+
+@nominal_or_bound_generic_nominal_type =
+  @bound_generic_type
+| @nominal_type
+;
+
+paren_types(  //dir=type
+  unique int id: @paren_type,
+  int type_: @type_or_none ref
+);
+
+@syntax_sugar_type =
+  @dictionary_type
+| @unary_syntax_sugar_type
+;
+
+type_alias_types(  //dir=type
+  unique int id: @type_alias_type,
+  int decl: @type_alias_decl_or_none ref
+);
+
+unbound_generic_types(  //dir=type
+  unique int id: @unbound_generic_type
+);
+
+unmanaged_storage_types(  //dir=type
+  unique int id: @unmanaged_storage_type
+);
+
+unowned_storage_types(  //dir=type
+  unique int id: @unowned_storage_type
+);
+
+weak_storage_types(  //dir=type
+  unique int id: @weak_storage_type
+);
+
+@bound_generic_type =
+  @bound_generic_class_type
+| @bound_generic_enum_type
+| @bound_generic_struct_type
+;
+
+#keyset[id, index]
+bound_generic_type_arg_types(  //dir=type
+  int id: @bound_generic_type ref,
+  int index: int ref,
+  int arg_type: @type_or_none ref
+);
+
+builtin_integer_literal_types(  //dir=type
+  unique int id: @builtin_integer_literal_type
+);
+
+builtin_integer_types(  //dir=type
+  unique int id: @builtin_integer_type
+);
+
+#keyset[id]
+builtin_integer_type_widths(  //dir=type
+  int id: @builtin_integer_type ref,
+  int width: int ref
+);
+
+dictionary_types(  //dir=type
+  unique int id: @dictionary_type,
+  int key_type: @type_or_none ref,
+  int value_type: @type_or_none ref
+);
+
+@local_archetype_type =
+  @element_archetype_type
+| @opened_archetype_type
+;
+
+@nominal_type =
+  @class_type
+| @enum_type
+| @protocol_type
+| @struct_type
+;
+
+opaque_type_archetype_types(  //dir=type
+  unique int id: @opaque_type_archetype_type,
+  int declaration: @opaque_type_decl_or_none ref
+);
+
+pack_archetype_types(  //dir=type
+  unique int id: @pack_archetype_type
+);
+
+primary_archetype_types(  //dir=type
+  unique int id: @primary_archetype_type
+);
+
+@unary_syntax_sugar_type =
+  @array_slice_type
+| @optional_type
+| @variadic_sequence_type
+;
+
+#keyset[id]
+unary_syntax_sugar_types(  //dir=type
+  int id: @unary_syntax_sugar_type ref,
+  int base_type: @type_or_none ref
+);
+
+array_slice_types(  //dir=type
+  unique int id: @array_slice_type
+);
+
+bound_generic_class_types(  //dir=type
+  unique int id: @bound_generic_class_type
+);
+
+bound_generic_enum_types(  //dir=type
+  unique int id: @bound_generic_enum_type
+);
+
+bound_generic_struct_types(  //dir=type
+  unique int id: @bound_generic_struct_type
+);
+
+class_types(  //dir=type
+  unique int id: @class_type
+);
+
+element_archetype_types(  //dir=type
+  unique int id: @element_archetype_type
+);
+
+enum_types(  //dir=type
+  unique int id: @enum_type
+);
+
+opened_archetype_types(  //dir=type
+  unique int id: @opened_archetype_type
+);
+
+optional_types(  //dir=type
+  unique int id: @optional_type
+);
+
+protocol_types(  //dir=type
+  unique int id: @protocol_type
+);
+
+struct_types(  //dir=type
+  unique int id: @struct_type
+);
+
+variadic_sequence_types(  //dir=type
+  unique int id: @variadic_sequence_type
+);
+
+@accessor_or_none =
+  @accessor
+| @unspecified_element
+;
+
+@argument_or_none =
+  @argument
+| @unspecified_element
+;
+
+@associated_type_decl_or_none =
+  @associated_type_decl
+| @unspecified_element
+;
+
+@ast_node_or_none =
+  @ast_node
+| @unspecified_element
+;
+
+@availability_info_or_none =
+  @availability_info
+| @unspecified_element
+;
+
+@availability_spec_or_none =
+  @availability_spec
+| @unspecified_element
+;
+
+@brace_stmt_or_none =
+  @brace_stmt
+| @unspecified_element
+;
+
+@captured_decl_or_none =
+  @captured_decl
+| @unspecified_element
+;
+
+@case_label_item_or_none =
+  @case_label_item
+| @unspecified_element
+;
+
+@case_stmt_or_none =
+  @case_stmt
+| @unspecified_element
+;
+
+@closure_expr_or_none =
+  @closure_expr
+| @unspecified_element
+;
+
+@condition_element_or_none =
+  @condition_element
+| @unspecified_element
+;
+
+@decl_or_none =
+  @decl
+| @unspecified_element
+;
+
+@enum_element_decl_or_none =
+  @enum_element_decl
+| @unspecified_element
+;
+
+@expr_or_none =
+  @expr
+| @unspecified_element
+;
+
+@file_or_none =
+  @file
+| @unspecified_element
+;
+
+@function_or_none =
+  @function
+| @unspecified_element
+;
+
+@generic_type_decl_or_none =
+  @generic_type_decl
+| @unspecified_element
+;
+
+@generic_type_param_decl_or_none =
+  @generic_type_param_decl
+| @unspecified_element
+;
+
+@generic_type_param_type_or_none =
+  @generic_type_param_type
+| @unspecified_element
+;
+
+@initializer_or_none =
+  @initializer
+| @unspecified_element
+;
+
+@key_path_component_or_none =
+  @key_path_component
+| @unspecified_element
+;
+
+@location_or_none =
+  @location
+| @unspecified_element
+;
+
+@module_decl_or_none =
+  @module_decl
+| @unspecified_element
+;
+
+@nominal_type_decl_or_none =
+  @nominal_type_decl
+| @unspecified_element
+;
+
+@opaque_type_decl_or_none =
+  @opaque_type_decl
+| @unspecified_element
+;
+
+@opaque_value_expr_or_none =
+  @opaque_value_expr
+| @unspecified_element
+;
+
+@param_decl_or_none =
+  @param_decl
+| @unspecified_element
+;
+
+@pattern_or_none =
+  @pattern
+| @unspecified_element
+;
+
+@pattern_binding_decl_or_none =
+  @pattern_binding_decl
+| @unspecified_element
+;
+
+@precedence_group_decl_or_none =
+  @precedence_group_decl
+| @unspecified_element
+;
+
+@protocol_decl_or_none =
+  @protocol_decl
+| @unspecified_element
+;
+
+@protocol_type_or_none =
+  @protocol_type
+| @unspecified_element
+;
+
+@stmt_or_none =
+  @stmt
+| @unspecified_element
+;
+
+@stmt_condition_or_none =
+  @stmt_condition
+| @unspecified_element
+;
+
+@string_literal_expr_or_none =
+  @string_literal_expr
+| @unspecified_element
+;
+
+@tap_expr_or_none =
+  @tap_expr
+| @unspecified_element
+;
+
+@type_or_none =
+  @type
+| @unspecified_element
+;
+
+@type_alias_decl_or_none =
+  @type_alias_decl
+| @unspecified_element
+;
+
+@type_repr_or_none =
+  @type_repr
+| @unspecified_element
+;
+
+@value_decl_or_none =
+  @unspecified_element
+| @value_decl
+;
+
+@var_decl_or_none =
+  @unspecified_element
+| @var_decl
+;
diff --git a/swift/downgrades/556e495d498c9c01286088785b590a7e80f0bb0b/swift.dbscheme b/swift/downgrades/556e495d498c9c01286088785b590a7e80f0bb0b/swift.dbscheme
new file mode 100644
index 00000000000..04ef9ecaa9e
--- /dev/null
+++ b/swift/downgrades/556e495d498c9c01286088785b590a7e80f0bb0b/swift.dbscheme
@@ -0,0 +1,2693 @@
+// generated by codegen/codegen.py
+
+// from prefix.dbscheme
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(
+  string prefix: string ref
+);
+
+
+// from schema.py
+
+@element =
+  @callable
+| @file
+| @generic_context
+| @locatable
+| @location
+| @type
+;
+
+#keyset[id]
+element_is_unknown(
+  int id: @element ref
+);
+
+@callable =
+  @closure_expr
+| @function
+;
+
+#keyset[id]
+callable_names(
+  int id: @callable ref,
+  string name: string ref
+);
+
+#keyset[id]
+callable_self_params(
+  int id: @callable ref,
+  int self_param: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+callable_params(
+  int id: @callable ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+#keyset[id]
+callable_bodies(
+  int id: @callable ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id, index]
+callable_captures(
+  int id: @callable ref,
+  int index: int ref,
+  int capture: @captured_decl_or_none ref
+);
+
+@file =
+  @db_file
+;
+
+#keyset[id]
+files(
+  int id: @file ref,
+  string name: string ref
+);
+
+#keyset[id]
+file_is_successfully_extracted(
+  int id: @file ref
+);
+
+@locatable =
+  @argument
+| @ast_node
+| @comment
+| @diagnostics
+| @error_element
+;
+
+#keyset[id]
+locatable_locations(
+  int id: @locatable ref,
+  int location: @location_or_none ref
+);
+
+@location =
+  @db_location
+;
+
+#keyset[id]
+locations(
+  int id: @location ref,
+  int file: @file_or_none ref,
+  int start_line: int ref,
+  int start_column: int ref,
+  int end_line: int ref,
+  int end_column: int ref
+);
+
+@ast_node =
+  @availability_info
+| @availability_spec
+| @case_label_item
+| @condition_element
+| @decl
+| @expr
+| @key_path_component
+| @pattern
+| @stmt
+| @stmt_condition
+| @type_repr
+;
+
+comments(
+  unique int id: @comment,
+  string text: string ref
+);
+
+db_files(
+  unique int id: @db_file
+);
+
+db_locations(
+  unique int id: @db_location
+);
+
+diagnostics(
+  unique int id: @diagnostics,
+  string text: string ref,
+  int kind: int ref
+);
+
+@error_element =
+  @error_expr
+| @error_type
+| @overloaded_decl_ref_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_chain_result_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @unresolved_type
+| @unresolved_type_conversion_expr
+| @unspecified_element
+;
+
+availability_infos(
+  unique int id: @availability_info
+);
+
+#keyset[id]
+availability_info_is_unavailable(
+  int id: @availability_info ref
+);
+
+#keyset[id, index]
+availability_info_specs(
+  int id: @availability_info ref,
+  int index: int ref,
+  int spec: @availability_spec_or_none ref
+);
+
+@availability_spec =
+  @other_availability_spec
+| @platform_version_availability_spec
+;
+
+key_path_components(
+  unique int id: @key_path_component,
+  int kind: int ref,
+  int component_type: @type_or_none ref
+);
+
+#keyset[id, index]
+key_path_component_subscript_arguments(
+  int id: @key_path_component ref,
+  int index: int ref,
+  int subscript_argument: @argument_or_none ref
+);
+
+#keyset[id]
+key_path_component_tuple_indices(
+  int id: @key_path_component ref,
+  int tuple_index: int ref
+);
+
+#keyset[id]
+key_path_component_decl_refs(
+  int id: @key_path_component ref,
+  int decl_ref: @value_decl_or_none ref
+);
+
+unspecified_elements(
+  unique int id: @unspecified_element,
+  string property: string ref,
+  string error: string ref
+);
+
+#keyset[id]
+unspecified_element_parents(
+  int id: @unspecified_element ref,
+  int parent: @element ref
+);
+
+#keyset[id]
+unspecified_element_indices(
+  int id: @unspecified_element ref,
+  int index: int ref
+);
+
+#keyset[id, index]
+unspecified_element_children(
+  int id: @unspecified_element ref,
+  int index: int ref,
+  int child: @ast_node_or_none ref
+);
+
+other_availability_specs(
+  unique int id: @other_availability_spec
+);
+
+platform_version_availability_specs(
+  unique int id: @platform_version_availability_spec,
+  string platform: string ref,
+  string version: string ref
+);
+
+@decl =
+  @captured_decl
+| @enum_case_decl
+| @extension_decl
+| @if_config_decl
+| @import_decl
+| @missing_member_decl
+| @operator_decl
+| @pattern_binding_decl
+| @pound_diagnostic_decl
+| @precedence_group_decl
+| @top_level_code_decl
+| @value_decl
+;
+
+#keyset[id]
+decls(  //dir=decl
+  int id: @decl ref,
+  int module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+decl_members(  //dir=decl
+  int id: @decl ref,
+  int index: int ref,
+  int member: @decl_or_none ref
+);
+
+@generic_context =
+  @extension_decl
+| @function
+| @generic_type_decl
+| @subscript_decl
+;
+
+#keyset[id, index]
+generic_context_generic_type_params(  //dir=decl
+  int id: @generic_context ref,
+  int index: int ref,
+  int generic_type_param: @generic_type_param_decl_or_none ref
+);
+
+captured_decls(  //dir=decl
+  unique int id: @captured_decl,
+  int decl: @value_decl_or_none ref
+);
+
+#keyset[id]
+captured_decl_is_direct(  //dir=decl
+  int id: @captured_decl ref
+);
+
+#keyset[id]
+captured_decl_is_escaping(  //dir=decl
+  int id: @captured_decl ref
+);
+
+enum_case_decls(  //dir=decl
+  unique int id: @enum_case_decl
+);
+
+#keyset[id, index]
+enum_case_decl_elements(  //dir=decl
+  int id: @enum_case_decl ref,
+  int index: int ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+extension_decls(  //dir=decl
+  unique int id: @extension_decl,
+  int extended_type_decl: @nominal_type_decl_or_none ref
+);
+
+#keyset[id, index]
+extension_decl_protocols(  //dir=decl
+  int id: @extension_decl ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+if_config_decls(  //dir=decl
+  unique int id: @if_config_decl
+);
+
+#keyset[id, index]
+if_config_decl_active_elements(  //dir=decl
+  int id: @if_config_decl ref,
+  int index: int ref,
+  int active_element: @ast_node_or_none ref
+);
+
+import_decls(  //dir=decl
+  unique int id: @import_decl
+);
+
+#keyset[id]
+import_decl_is_exported(  //dir=decl
+  int id: @import_decl ref
+);
+
+#keyset[id]
+import_decl_imported_modules(  //dir=decl
+  int id: @import_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+import_decl_declarations(  //dir=decl
+  int id: @import_decl ref,
+  int index: int ref,
+  int declaration: @value_decl_or_none ref
+);
+
+missing_member_decls(  //dir=decl
+  unique int id: @missing_member_decl,
+  string name: string ref
+);
+
+@operator_decl =
+  @infix_operator_decl
+| @postfix_operator_decl
+| @prefix_operator_decl
+;
+
+#keyset[id]
+operator_decls(  //dir=decl
+  int id: @operator_decl ref,
+  string name: string ref
+);
+
+pattern_binding_decls(  //dir=decl
+  unique int id: @pattern_binding_decl
+);
+
+#keyset[id, index]
+pattern_binding_decl_inits(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int init: @expr_or_none ref
+);
+
+#keyset[id, index]
+pattern_binding_decl_patterns(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int pattern: @pattern_or_none ref
+);
+
+pound_diagnostic_decls(  //dir=decl
+  unique int id: @pound_diagnostic_decl,
+  int kind: int ref,
+  int message: @string_literal_expr_or_none ref
+);
+
+precedence_group_decls(  //dir=decl
+  unique int id: @precedence_group_decl
+);
+
+top_level_code_decls(  //dir=decl
+  unique int id: @top_level_code_decl,
+  int body: @brace_stmt_or_none ref
+);
+
+@value_decl =
+  @abstract_storage_decl
+| @enum_element_decl
+| @function
+| @type_decl
+;
+
+#keyset[id]
+value_decls(  //dir=decl
+  int id: @value_decl ref,
+  int interface_type: @type_or_none ref
+);
+
+@abstract_storage_decl =
+  @subscript_decl
+| @var_decl
+;
+
+#keyset[id, index]
+abstract_storage_decl_accessors(  //dir=decl
+  int id: @abstract_storage_decl ref,
+  int index: int ref,
+  int accessor: @accessor_or_none ref
+);
+
+enum_element_decls(  //dir=decl
+  unique int id: @enum_element_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+enum_element_decl_params(  //dir=decl
+  int id: @enum_element_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@function =
+  @accessor_or_named_function
+| @deinitializer
+| @initializer
+;
+
+infix_operator_decls(  //dir=decl
+  unique int id: @infix_operator_decl
+);
+
+#keyset[id]
+infix_operator_decl_precedence_groups(  //dir=decl
+  int id: @infix_operator_decl ref,
+  int precedence_group: @precedence_group_decl_or_none ref
+);
+
+postfix_operator_decls(  //dir=decl
+  unique int id: @postfix_operator_decl
+);
+
+prefix_operator_decls(  //dir=decl
+  unique int id: @prefix_operator_decl
+);
+
+@type_decl =
+  @abstract_type_param_decl
+| @generic_type_decl
+| @module_decl
+;
+
+#keyset[id]
+type_decls(  //dir=decl
+  int id: @type_decl ref,
+  string name: string ref
+);
+
+#keyset[id, index]
+type_decl_inherited_types(  //dir=decl
+  int id: @type_decl ref,
+  int index: int ref,
+  int inherited_type: @type_or_none ref
+);
+
+@abstract_type_param_decl =
+  @associated_type_decl
+| @generic_type_param_decl
+;
+
+@accessor_or_named_function =
+  @accessor
+| @named_function
+;
+
+deinitializers(  //dir=decl
+  unique int id: @deinitializer
+);
+
+@generic_type_decl =
+  @nominal_type_decl
+| @opaque_type_decl
+| @type_alias_decl
+;
+
+initializers(  //dir=decl
+  unique int id: @initializer
+);
+
+module_decls(  //dir=decl
+  unique int id: @module_decl
+);
+
+#keyset[id]
+module_decl_is_builtin_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+#keyset[id]
+module_decl_is_system_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+module_decl_imported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+module_decl_exported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int exported_module: @module_decl_or_none ref
+);
+
+subscript_decls(  //dir=decl
+  unique int id: @subscript_decl,
+  int element_type: @type_or_none ref
+);
+
+#keyset[id, index]
+subscript_decl_params(  //dir=decl
+  int id: @subscript_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@var_decl =
+  @concrete_var_decl
+| @param_decl
+;
+
+#keyset[id]
+var_decls(  //dir=decl
+  int id: @var_decl ref,
+  string name: string ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_attached_property_wrapper_types(  //dir=decl
+  int id: @var_decl ref,
+  int attached_property_wrapper_type: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_patterns(  //dir=decl
+  int id: @var_decl ref,
+  int parent_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_initializers(  //dir=decl
+  int id: @var_decl ref,
+  int parent_initializer: @expr_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var: @var_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var: @var_decl_or_none ref
+);
+
+accessors(  //dir=decl
+  unique int id: @accessor
+);
+
+#keyset[id]
+accessor_is_getter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_setter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_will_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_did_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_read(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_modify(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_address(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_mutable_address(  //dir=decl
+  int id: @accessor ref
+);
+
+associated_type_decls(  //dir=decl
+  unique int id: @associated_type_decl
+);
+
+concrete_var_decls(  //dir=decl
+  unique int id: @concrete_var_decl,
+  int introducer_int: int ref
+);
+
+generic_type_param_decls(  //dir=decl
+  unique int id: @generic_type_param_decl
+);
+
+named_functions(  //dir=decl
+  unique int id: @named_function
+);
+
+@nominal_type_decl =
+  @class_decl
+| @enum_decl
+| @protocol_decl
+| @struct_decl
+;
+
+#keyset[id]
+nominal_type_decls(  //dir=decl
+  int id: @nominal_type_decl ref,
+  int type_: @type_or_none ref
+);
+
+opaque_type_decls(  //dir=decl
+  unique int id: @opaque_type_decl,
+  int naming_declaration: @value_decl_or_none ref
+);
+
+#keyset[id, index]
+opaque_type_decl_opaque_generic_params(  //dir=decl
+  int id: @opaque_type_decl ref,
+  int index: int ref,
+  int opaque_generic_param: @generic_type_param_type_or_none ref
+);
+
+param_decls(  //dir=decl
+  unique int id: @param_decl
+);
+
+#keyset[id]
+param_decl_is_inout(  //dir=decl
+  int id: @param_decl ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_var_bindings(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_vars(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var: @var_decl_or_none ref
+);
+
+type_alias_decls(  //dir=decl
+  unique int id: @type_alias_decl,
+  int aliased_type: @type_or_none ref
+);
+
+class_decls(  //dir=decl
+  unique int id: @class_decl
+);
+
+enum_decls(  //dir=decl
+  unique int id: @enum_decl
+);
+
+protocol_decls(  //dir=decl
+  unique int id: @protocol_decl
+);
+
+struct_decls(  //dir=decl
+  unique int id: @struct_decl
+);
+
+arguments(  //dir=expr
+  unique int id: @argument,
+  string label: string ref,
+  int expr: @expr_or_none ref
+);
+
+@expr =
+  @any_try_expr
+| @applied_property_wrapper_expr
+| @apply_expr
+| @assign_expr
+| @bind_optional_expr
+| @capture_list_expr
+| @closure_expr
+| @collection_expr
+| @decl_ref_expr
+| @default_argument_expr
+| @discard_assignment_expr
+| @dot_syntax_base_ignored_expr
+| @dynamic_type_expr
+| @enum_is_case_expr
+| @error_expr
+| @explicit_cast_expr
+| @force_value_expr
+| @identity_expr
+| @if_expr
+| @implicit_conversion_expr
+| @in_out_expr
+| @key_path_application_expr
+| @key_path_dot_expr
+| @key_path_expr
+| @lazy_initialization_expr
+| @literal_expr
+| @lookup_expr
+| @make_temporarily_escapable_expr
+| @obj_c_selector_expr
+| @one_way_expr
+| @opaque_value_expr
+| @open_existential_expr
+| @optional_evaluation_expr
+| @other_initializer_ref_expr
+| @overloaded_decl_ref_expr
+| @pack_element_expr
+| @pack_expansion_expr
+| @property_wrapper_value_placeholder_expr
+| @rebind_self_in_initializer_expr
+| @sequence_expr
+| @single_value_stmt_expr
+| @super_ref_expr
+| @tap_expr
+| @tuple_element_expr
+| @tuple_expr
+| @type_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @vararg_expansion_expr
+;
+
+#keyset[id]
+expr_types(  //dir=expr
+  int id: @expr ref,
+  int type_: @type_or_none ref
+);
+
+@any_try_expr =
+  @force_try_expr
+| @optional_try_expr
+| @try_expr
+;
+
+#keyset[id]
+any_try_exprs(  //dir=expr
+  int id: @any_try_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+applied_property_wrapper_exprs(  //dir=expr
+  unique int id: @applied_property_wrapper_expr,
+  int kind: int ref,
+  int value: @expr_or_none ref,
+  int param: @param_decl_or_none ref
+);
+
+@apply_expr =
+  @binary_expr
+| @call_expr
+| @postfix_unary_expr
+| @prefix_unary_expr
+| @self_apply_expr
+;
+
+#keyset[id]
+apply_exprs(  //dir=expr
+  int id: @apply_expr ref,
+  int function: @expr_or_none ref
+);
+
+#keyset[id, index]
+apply_expr_arguments(  //dir=expr
+  int id: @apply_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+assign_exprs(  //dir=expr
+  unique int id: @assign_expr,
+  int dest: @expr_or_none ref,
+  int source: @expr_or_none ref
+);
+
+bind_optional_exprs(  //dir=expr
+  unique int id: @bind_optional_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+capture_list_exprs(  //dir=expr
+  unique int id: @capture_list_expr,
+  int closure_body: @closure_expr_or_none ref
+);
+
+#keyset[id, index]
+capture_list_expr_binding_decls(  //dir=expr
+  int id: @capture_list_expr ref,
+  int index: int ref,
+  int binding_decl: @pattern_binding_decl_or_none ref
+);
+
+@closure_expr =
+  @auto_closure_expr
+| @explicit_closure_expr
+;
+
+@collection_expr =
+  @array_expr
+| @dictionary_expr
+;
+
+decl_ref_exprs(  //dir=expr
+  unique int id: @decl_ref_expr,
+  int decl: @decl_or_none ref
+);
+
+#keyset[id, index]
+decl_ref_expr_replacement_types(  //dir=expr
+  int id: @decl_ref_expr ref,
+  int index: int ref,
+  int replacement_type: @type_or_none ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+default_argument_exprs(  //dir=expr
+  unique int id: @default_argument_expr,
+  int param_decl: @param_decl_or_none ref,
+  int param_index: int ref
+);
+
+#keyset[id]
+default_argument_expr_caller_side_defaults(  //dir=expr
+  int id: @default_argument_expr ref,
+  int caller_side_default: @expr_or_none ref
+);
+
+discard_assignment_exprs(  //dir=expr
+  unique int id: @discard_assignment_expr
+);
+
+dot_syntax_base_ignored_exprs(  //dir=expr
+  unique int id: @dot_syntax_base_ignored_expr,
+  int qualifier: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+dynamic_type_exprs(  //dir=expr
+  unique int id: @dynamic_type_expr,
+  int base: @expr_or_none ref
+);
+
+enum_is_case_exprs(  //dir=expr
+  unique int id: @enum_is_case_expr,
+  int sub_expr: @expr_or_none ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+error_exprs(  //dir=expr
+  unique int id: @error_expr
+);
+
+@explicit_cast_expr =
+  @checked_cast_expr
+| @coerce_expr
+;
+
+#keyset[id]
+explicit_cast_exprs(  //dir=expr
+  int id: @explicit_cast_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+force_value_exprs(  //dir=expr
+  unique int id: @force_value_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@identity_expr =
+  @await_expr
+| @dot_self_expr
+| @paren_expr
+| @unresolved_member_chain_result_expr
+;
+
+#keyset[id]
+identity_exprs(  //dir=expr
+  int id: @identity_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+if_exprs(  //dir=expr
+  unique int id: @if_expr,
+  int condition: @expr_or_none ref,
+  int then_expr: @expr_or_none ref,
+  int else_expr: @expr_or_none ref
+);
+
+@implicit_conversion_expr =
+  @abi_safe_conversion_expr
+| @any_hashable_erasure_expr
+| @archetype_to_super_expr
+| @array_to_pointer_expr
+| @bridge_from_obj_c_expr
+| @bridge_to_obj_c_expr
+| @class_metatype_to_object_expr
+| @collection_upcast_conversion_expr
+| @conditional_bridge_from_obj_c_expr
+| @covariant_function_conversion_expr
+| @covariant_return_conversion_expr
+| @derived_to_base_expr
+| @destructure_tuple_expr
+| @differentiable_function_expr
+| @differentiable_function_extract_original_expr
+| @erasure_expr
+| @existential_metatype_to_object_expr
+| @foreign_object_conversion_expr
+| @function_conversion_expr
+| @in_out_to_pointer_expr
+| @inject_into_optional_expr
+| @linear_function_expr
+| @linear_function_extract_original_expr
+| @linear_to_differentiable_function_expr
+| @load_expr
+| @metatype_conversion_expr
+| @pointer_to_pointer_expr
+| @protocol_metatype_to_object_expr
+| @string_to_pointer_expr
+| @underlying_to_opaque_expr
+| @unevaluated_instance_expr
+| @unresolved_type_conversion_expr
+;
+
+#keyset[id]
+implicit_conversion_exprs(  //dir=expr
+  int id: @implicit_conversion_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+in_out_exprs(  //dir=expr
+  unique int id: @in_out_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+key_path_application_exprs(  //dir=expr
+  unique int id: @key_path_application_expr,
+  int base: @expr_or_none ref,
+  int key_path: @expr_or_none ref
+);
+
+key_path_dot_exprs(  //dir=expr
+  unique int id: @key_path_dot_expr
+);
+
+key_path_exprs(  //dir=expr
+  unique int id: @key_path_expr
+);
+
+#keyset[id]
+key_path_expr_roots(  //dir=expr
+  int id: @key_path_expr ref,
+  int root: @type_repr_or_none ref
+);
+
+#keyset[id, index]
+key_path_expr_components(  //dir=expr
+  int id: @key_path_expr ref,
+  int index: int ref,
+  int component: @key_path_component_or_none ref
+);
+
+lazy_initialization_exprs(  //dir=expr
+  unique int id: @lazy_initialization_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@literal_expr =
+  @builtin_literal_expr
+| @interpolated_string_literal_expr
+| @nil_literal_expr
+| @object_literal_expr
+| @regex_literal_expr
+;
+
+@lookup_expr =
+  @dynamic_lookup_expr
+| @member_ref_expr
+| @subscript_expr
+;
+
+#keyset[id]
+lookup_exprs(  //dir=expr
+  int id: @lookup_expr ref,
+  int base: @expr_or_none ref
+);
+
+#keyset[id]
+lookup_expr_members(  //dir=expr
+  int id: @lookup_expr ref,
+  int member: @decl_or_none ref
+);
+
+make_temporarily_escapable_exprs(  //dir=expr
+  unique int id: @make_temporarily_escapable_expr,
+  int escaping_closure: @opaque_value_expr_or_none ref,
+  int nonescaping_closure: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+obj_c_selector_exprs(  //dir=expr
+  unique int id: @obj_c_selector_expr,
+  int sub_expr: @expr_or_none ref,
+  int method: @function_or_none ref
+);
+
+one_way_exprs(  //dir=expr
+  unique int id: @one_way_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+opaque_value_exprs(  //dir=expr
+  unique int id: @opaque_value_expr
+);
+
+open_existential_exprs(  //dir=expr
+  unique int id: @open_existential_expr,
+  int sub_expr: @expr_or_none ref,
+  int existential: @expr_or_none ref,
+  int opaque_expr: @opaque_value_expr_or_none ref
+);
+
+optional_evaluation_exprs(  //dir=expr
+  unique int id: @optional_evaluation_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+other_initializer_ref_exprs(  //dir=expr
+  unique int id: @other_initializer_ref_expr,
+  int initializer: @initializer_or_none ref
+);
+
+overloaded_decl_ref_exprs(  //dir=expr
+  unique int id: @overloaded_decl_ref_expr
+);
+
+#keyset[id, index]
+overloaded_decl_ref_expr_possible_declarations(  //dir=expr
+  int id: @overloaded_decl_ref_expr ref,
+  int index: int ref,
+  int possible_declaration: @value_decl_or_none ref
+);
+
+pack_element_exprs(  //dir=expr
+  unique int id: @pack_element_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+pack_expansion_exprs(  //dir=expr
+  unique int id: @pack_expansion_expr,
+  int pattern_expr: @expr_or_none ref
+);
+
+property_wrapper_value_placeholder_exprs(  //dir=expr
+  unique int id: @property_wrapper_value_placeholder_expr,
+  int placeholder: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+property_wrapper_value_placeholder_expr_wrapped_values(  //dir=expr
+  int id: @property_wrapper_value_placeholder_expr ref,
+  int wrapped_value: @expr_or_none ref
+);
+
+rebind_self_in_initializer_exprs(  //dir=expr
+  unique int id: @rebind_self_in_initializer_expr,
+  int sub_expr: @expr_or_none ref,
+  int self: @var_decl_or_none ref
+);
+
+sequence_exprs(  //dir=expr
+  unique int id: @sequence_expr
+);
+
+#keyset[id, index]
+sequence_expr_elements(  //dir=expr
+  int id: @sequence_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+single_value_stmt_exprs(  //dir=expr
+  unique int id: @single_value_stmt_expr,
+  int stmt: @stmt_or_none ref
+);
+
+super_ref_exprs(  //dir=expr
+  unique int id: @super_ref_expr,
+  int self: @var_decl_or_none ref
+);
+
+tap_exprs(  //dir=expr
+  unique int id: @tap_expr,
+  int body: @brace_stmt_or_none ref,
+  int var: @var_decl_or_none ref
+);
+
+#keyset[id]
+tap_expr_sub_exprs(  //dir=expr
+  int id: @tap_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+tuple_element_exprs(  //dir=expr
+  unique int id: @tuple_element_expr,
+  int sub_expr: @expr_or_none ref,
+  int index: int ref
+);
+
+tuple_exprs(  //dir=expr
+  unique int id: @tuple_expr
+);
+
+#keyset[id, index]
+tuple_expr_elements(  //dir=expr
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+type_exprs(  //dir=expr
+  unique int id: @type_expr
+);
+
+#keyset[id]
+type_expr_type_reprs(  //dir=expr
+  int id: @type_expr ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+unresolved_decl_ref_exprs(  //dir=expr
+  unique int id: @unresolved_decl_ref_expr
+);
+
+#keyset[id]
+unresolved_decl_ref_expr_names(  //dir=expr
+  int id: @unresolved_decl_ref_expr ref,
+  string name: string ref
+);
+
+unresolved_dot_exprs(  //dir=expr
+  unique int id: @unresolved_dot_expr,
+  int base: @expr_or_none ref,
+  string name: string ref
+);
+
+unresolved_member_exprs(  //dir=expr
+  unique int id: @unresolved_member_expr,
+  string name: string ref
+);
+
+unresolved_pattern_exprs(  //dir=expr
+  unique int id: @unresolved_pattern_expr,
+  int sub_pattern: @pattern_or_none ref
+);
+
+unresolved_specialize_exprs(  //dir=expr
+  unique int id: @unresolved_specialize_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+vararg_expansion_exprs(  //dir=expr
+  unique int id: @vararg_expansion_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+abi_safe_conversion_exprs(  //dir=expr
+  unique int id: @abi_safe_conversion_expr
+);
+
+any_hashable_erasure_exprs(  //dir=expr
+  unique int id: @any_hashable_erasure_expr
+);
+
+archetype_to_super_exprs(  //dir=expr
+  unique int id: @archetype_to_super_expr
+);
+
+array_exprs(  //dir=expr
+  unique int id: @array_expr
+);
+
+#keyset[id, index]
+array_expr_elements(  //dir=expr
+  int id: @array_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+array_to_pointer_exprs(  //dir=expr
+  unique int id: @array_to_pointer_expr
+);
+
+auto_closure_exprs(  //dir=expr
+  unique int id: @auto_closure_expr
+);
+
+await_exprs(  //dir=expr
+  unique int id: @await_expr
+);
+
+binary_exprs(  //dir=expr
+  unique int id: @binary_expr
+);
+
+bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_from_obj_c_expr
+);
+
+bridge_to_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_to_obj_c_expr
+);
+
+@builtin_literal_expr =
+  @boolean_literal_expr
+| @magic_identifier_literal_expr
+| @number_literal_expr
+| @string_literal_expr
+;
+
+call_exprs(  //dir=expr
+  unique int id: @call_expr
+);
+
+@checked_cast_expr =
+  @conditional_checked_cast_expr
+| @forced_checked_cast_expr
+| @is_expr
+;
+
+class_metatype_to_object_exprs(  //dir=expr
+  unique int id: @class_metatype_to_object_expr
+);
+
+coerce_exprs(  //dir=expr
+  unique int id: @coerce_expr
+);
+
+collection_upcast_conversion_exprs(  //dir=expr
+  unique int id: @collection_upcast_conversion_expr
+);
+
+conditional_bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @conditional_bridge_from_obj_c_expr
+);
+
+covariant_function_conversion_exprs(  //dir=expr
+  unique int id: @covariant_function_conversion_expr
+);
+
+covariant_return_conversion_exprs(  //dir=expr
+  unique int id: @covariant_return_conversion_expr
+);
+
+derived_to_base_exprs(  //dir=expr
+  unique int id: @derived_to_base_expr
+);
+
+destructure_tuple_exprs(  //dir=expr
+  unique int id: @destructure_tuple_expr
+);
+
+dictionary_exprs(  //dir=expr
+  unique int id: @dictionary_expr
+);
+
+#keyset[id, index]
+dictionary_expr_elements(  //dir=expr
+  int id: @dictionary_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+differentiable_function_exprs(  //dir=expr
+  unique int id: @differentiable_function_expr
+);
+
+differentiable_function_extract_original_exprs(  //dir=expr
+  unique int id: @differentiable_function_extract_original_expr
+);
+
+dot_self_exprs(  //dir=expr
+  unique int id: @dot_self_expr
+);
+
+@dynamic_lookup_expr =
+  @dynamic_member_ref_expr
+| @dynamic_subscript_expr
+;
+
+erasure_exprs(  //dir=expr
+  unique int id: @erasure_expr
+);
+
+existential_metatype_to_object_exprs(  //dir=expr
+  unique int id: @existential_metatype_to_object_expr
+);
+
+explicit_closure_exprs(  //dir=expr
+  unique int id: @explicit_closure_expr
+);
+
+force_try_exprs(  //dir=expr
+  unique int id: @force_try_expr
+);
+
+foreign_object_conversion_exprs(  //dir=expr
+  unique int id: @foreign_object_conversion_expr
+);
+
+function_conversion_exprs(  //dir=expr
+  unique int id: @function_conversion_expr
+);
+
+in_out_to_pointer_exprs(  //dir=expr
+  unique int id: @in_out_to_pointer_expr
+);
+
+inject_into_optional_exprs(  //dir=expr
+  unique int id: @inject_into_optional_expr
+);
+
+interpolated_string_literal_exprs(  //dir=expr
+  unique int id: @interpolated_string_literal_expr
+);
+
+#keyset[id]
+interpolated_string_literal_expr_interpolation_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int interpolation_expr: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+interpolated_string_literal_expr_appending_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int appending_expr: @tap_expr_or_none ref
+);
+
+linear_function_exprs(  //dir=expr
+  unique int id: @linear_function_expr
+);
+
+linear_function_extract_original_exprs(  //dir=expr
+  unique int id: @linear_function_extract_original_expr
+);
+
+linear_to_differentiable_function_exprs(  //dir=expr
+  unique int id: @linear_to_differentiable_function_expr
+);
+
+load_exprs(  //dir=expr
+  unique int id: @load_expr
+);
+
+member_ref_exprs(  //dir=expr
+  unique int id: @member_ref_expr
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+metatype_conversion_exprs(  //dir=expr
+  unique int id: @metatype_conversion_expr
+);
+
+nil_literal_exprs(  //dir=expr
+  unique int id: @nil_literal_expr
+);
+
+object_literal_exprs(  //dir=expr
+  unique int id: @object_literal_expr,
+  int kind: int ref
+);
+
+#keyset[id, index]
+object_literal_expr_arguments(  //dir=expr
+  int id: @object_literal_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+optional_try_exprs(  //dir=expr
+  unique int id: @optional_try_expr
+);
+
+paren_exprs(  //dir=expr
+  unique int id: @paren_expr
+);
+
+pointer_to_pointer_exprs(  //dir=expr
+  unique int id: @pointer_to_pointer_expr
+);
+
+postfix_unary_exprs(  //dir=expr
+  unique int id: @postfix_unary_expr
+);
+
+prefix_unary_exprs(  //dir=expr
+  unique int id: @prefix_unary_expr
+);
+
+protocol_metatype_to_object_exprs(  //dir=expr
+  unique int id: @protocol_metatype_to_object_expr
+);
+
+regex_literal_exprs(  //dir=expr
+  unique int id: @regex_literal_expr,
+  string pattern: string ref,
+  int version: int ref
+);
+
+@self_apply_expr =
+  @dot_syntax_call_expr
+| @initializer_ref_call_expr
+;
+
+#keyset[id]
+self_apply_exprs(  //dir=expr
+  int id: @self_apply_expr ref,
+  int base: @expr_or_none ref
+);
+
+string_to_pointer_exprs(  //dir=expr
+  unique int id: @string_to_pointer_expr
+);
+
+subscript_exprs(  //dir=expr
+  unique int id: @subscript_expr
+);
+
+#keyset[id, index]
+subscript_expr_arguments(  //dir=expr
+  int id: @subscript_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_ordinary_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+try_exprs(  //dir=expr
+  unique int id: @try_expr
+);
+
+underlying_to_opaque_exprs(  //dir=expr
+  unique int id: @underlying_to_opaque_expr
+);
+
+unevaluated_instance_exprs(  //dir=expr
+  unique int id: @unevaluated_instance_expr
+);
+
+unresolved_member_chain_result_exprs(  //dir=expr
+  unique int id: @unresolved_member_chain_result_expr
+);
+
+unresolved_type_conversion_exprs(  //dir=expr
+  unique int id: @unresolved_type_conversion_expr
+);
+
+boolean_literal_exprs(  //dir=expr
+  unique int id: @boolean_literal_expr,
+  boolean value: boolean ref
+);
+
+conditional_checked_cast_exprs(  //dir=expr
+  unique int id: @conditional_checked_cast_expr
+);
+
+dot_syntax_call_exprs(  //dir=expr
+  unique int id: @dot_syntax_call_expr
+);
+
+dynamic_member_ref_exprs(  //dir=expr
+  unique int id: @dynamic_member_ref_expr
+);
+
+dynamic_subscript_exprs(  //dir=expr
+  unique int id: @dynamic_subscript_expr
+);
+
+forced_checked_cast_exprs(  //dir=expr
+  unique int id: @forced_checked_cast_expr
+);
+
+initializer_ref_call_exprs(  //dir=expr
+  unique int id: @initializer_ref_call_expr
+);
+
+is_exprs(  //dir=expr
+  unique int id: @is_expr
+);
+
+magic_identifier_literal_exprs(  //dir=expr
+  unique int id: @magic_identifier_literal_expr,
+  string kind: string ref
+);
+
+@number_literal_expr =
+  @float_literal_expr
+| @integer_literal_expr
+;
+
+string_literal_exprs(  //dir=expr
+  unique int id: @string_literal_expr,
+  string value: string ref
+);
+
+float_literal_exprs(  //dir=expr
+  unique int id: @float_literal_expr,
+  string string_value: string ref
+);
+
+integer_literal_exprs(  //dir=expr
+  unique int id: @integer_literal_expr,
+  string string_value: string ref
+);
+
+@pattern =
+  @any_pattern
+| @binding_pattern
+| @bool_pattern
+| @enum_element_pattern
+| @expr_pattern
+| @is_pattern
+| @named_pattern
+| @optional_some_pattern
+| @paren_pattern
+| @tuple_pattern
+| @typed_pattern
+;
+
+any_patterns(  //dir=pattern
+  unique int id: @any_pattern
+);
+
+binding_patterns(  //dir=pattern
+  unique int id: @binding_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+bool_patterns(  //dir=pattern
+  unique int id: @bool_pattern,
+  boolean value: boolean ref
+);
+
+enum_element_patterns(  //dir=pattern
+  unique int id: @enum_element_pattern,
+  int element: @enum_element_decl_or_none ref
+);
+
+#keyset[id]
+enum_element_pattern_sub_patterns(  //dir=pattern
+  int id: @enum_element_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+expr_patterns(  //dir=pattern
+  unique int id: @expr_pattern,
+  int sub_expr: @expr_or_none ref
+);
+
+is_patterns(  //dir=pattern
+  unique int id: @is_pattern
+);
+
+#keyset[id]
+is_pattern_cast_type_reprs(  //dir=pattern
+  int id: @is_pattern ref,
+  int cast_type_repr: @type_repr_or_none ref
+);
+
+#keyset[id]
+is_pattern_sub_patterns(  //dir=pattern
+  int id: @is_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+named_patterns(  //dir=pattern
+  unique int id: @named_pattern,
+  int var_decl: @var_decl_or_none ref
+);
+
+optional_some_patterns(  //dir=pattern
+  unique int id: @optional_some_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+paren_patterns(  //dir=pattern
+  unique int id: @paren_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+tuple_patterns(  //dir=pattern
+  unique int id: @tuple_pattern
+);
+
+#keyset[id, index]
+tuple_pattern_elements(  //dir=pattern
+  int id: @tuple_pattern ref,
+  int index: int ref,
+  int element: @pattern_or_none ref
+);
+
+typed_patterns(  //dir=pattern
+  unique int id: @typed_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+typed_pattern_type_reprs(  //dir=pattern
+  int id: @typed_pattern ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+case_label_items(  //dir=stmt
+  unique int id: @case_label_item,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+case_label_item_guards(  //dir=stmt
+  int id: @case_label_item ref,
+  int guard: @expr_or_none ref
+);
+
+condition_elements(  //dir=stmt
+  unique int id: @condition_element
+);
+
+#keyset[id]
+condition_element_booleans(  //dir=stmt
+  int id: @condition_element ref,
+  int boolean_: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_patterns(  //dir=stmt
+  int id: @condition_element ref,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+condition_element_initializers(  //dir=stmt
+  int id: @condition_element ref,
+  int initializer: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_availabilities(  //dir=stmt
+  int id: @condition_element ref,
+  int availability: @availability_info_or_none ref
+);
+
+@stmt =
+  @brace_stmt
+| @break_stmt
+| @case_stmt
+| @continue_stmt
+| @defer_stmt
+| @fail_stmt
+| @fallthrough_stmt
+| @labeled_stmt
+| @pound_assert_stmt
+| @return_stmt
+| @throw_stmt
+| @yield_stmt
+;
+
+stmt_conditions(  //dir=stmt
+  unique int id: @stmt_condition
+);
+
+#keyset[id, index]
+stmt_condition_elements(  //dir=stmt
+  int id: @stmt_condition ref,
+  int index: int ref,
+  int element: @condition_element_or_none ref
+);
+
+brace_stmts(  //dir=stmt
+  unique int id: @brace_stmt
+);
+
+#keyset[id, index]
+brace_stmt_elements(  //dir=stmt
+  int id: @brace_stmt ref,
+  int index: int ref,
+  int element: @ast_node_or_none ref
+);
+
+break_stmts(  //dir=stmt
+  unique int id: @break_stmt
+);
+
+#keyset[id]
+break_stmt_target_names(  //dir=stmt
+  int id: @break_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+break_stmt_targets(  //dir=stmt
+  int id: @break_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+case_stmts(  //dir=stmt
+  unique int id: @case_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_labels(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int label: @case_label_item_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_variables(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_or_none ref
+);
+
+continue_stmts(  //dir=stmt
+  unique int id: @continue_stmt
+);
+
+#keyset[id]
+continue_stmt_target_names(  //dir=stmt
+  int id: @continue_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+continue_stmt_targets(  //dir=stmt
+  int id: @continue_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+defer_stmts(  //dir=stmt
+  unique int id: @defer_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+fail_stmts(  //dir=stmt
+  unique int id: @fail_stmt
+);
+
+fallthrough_stmts(  //dir=stmt
+  unique int id: @fallthrough_stmt,
+  int fallthrough_source: @case_stmt_or_none ref,
+  int fallthrough_dest: @case_stmt_or_none ref
+);
+
+@labeled_stmt =
+  @do_catch_stmt
+| @do_stmt
+| @for_each_stmt
+| @labeled_conditional_stmt
+| @repeat_while_stmt
+| @switch_stmt
+;
+
+#keyset[id]
+labeled_stmt_labels(  //dir=stmt
+  int id: @labeled_stmt ref,
+  string label: string ref
+);
+
+pound_assert_stmts(  //dir=stmt
+  unique int id: @pound_assert_stmt,
+  int condition: @expr_or_none ref,
+  string message: string ref
+);
+
+return_stmts(  //dir=stmt
+  unique int id: @return_stmt
+);
+
+#keyset[id]
+return_stmt_results(  //dir=stmt
+  int id: @return_stmt ref,
+  int result: @expr_or_none ref
+);
+
+throw_stmts(  //dir=stmt
+  unique int id: @throw_stmt,
+  int sub_expr: @expr_or_none ref
+);
+
+yield_stmts(  //dir=stmt
+  unique int id: @yield_stmt
+);
+
+#keyset[id, index]
+yield_stmt_results(  //dir=stmt
+  int id: @yield_stmt ref,
+  int index: int ref,
+  int result: @expr_or_none ref
+);
+
+do_catch_stmts(  //dir=stmt
+  unique int id: @do_catch_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+do_catch_stmt_catches(  //dir=stmt
+  int id: @do_catch_stmt ref,
+  int index: int ref,
+  int catch: @case_stmt_or_none ref
+);
+
+do_stmts(  //dir=stmt
+  unique int id: @do_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+for_each_stmts(  //dir=stmt
+  unique int id: @for_each_stmt,
+  int pattern: @pattern_or_none ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_wheres(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int where: @expr_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_iterator_vars(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int iteratorVar: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_next_calls(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int nextCall: @expr_or_none ref
+);
+
+@labeled_conditional_stmt =
+  @guard_stmt
+| @if_stmt
+| @while_stmt
+;
+
+#keyset[id]
+labeled_conditional_stmts(  //dir=stmt
+  int id: @labeled_conditional_stmt ref,
+  int condition: @stmt_condition_or_none ref
+);
+
+repeat_while_stmts(  //dir=stmt
+  unique int id: @repeat_while_stmt,
+  int condition: @expr_or_none ref,
+  int body: @stmt_or_none ref
+);
+
+switch_stmts(  //dir=stmt
+  unique int id: @switch_stmt,
+  int expr: @expr_or_none ref
+);
+
+#keyset[id, index]
+switch_stmt_cases(  //dir=stmt
+  int id: @switch_stmt ref,
+  int index: int ref,
+  int case_: @case_stmt_or_none ref
+);
+
+guard_stmts(  //dir=stmt
+  unique int id: @guard_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+if_stmts(  //dir=stmt
+  unique int id: @if_stmt,
+  int then: @stmt_or_none ref
+);
+
+#keyset[id]
+if_stmt_elses(  //dir=stmt
+  int id: @if_stmt ref,
+  int else: @stmt_or_none ref
+);
+
+while_stmts(  //dir=stmt
+  unique int id: @while_stmt,
+  int body: @stmt_or_none ref
+);
+
+@type =
+  @any_function_type
+| @any_generic_type
+| @any_metatype_type
+| @builtin_type
+| @dependent_member_type
+| @dynamic_self_type
+| @error_type
+| @existential_type
+| @in_out_type
+| @l_value_type
+| @module_type
+| @pack_element_type
+| @pack_expansion_type
+| @pack_type
+| @parameterized_protocol_type
+| @protocol_composition_type
+| @reference_storage_type
+| @substitutable_type
+| @sugar_type
+| @tuple_type
+| @unresolved_type
+;
+
+#keyset[id]
+types(  //dir=type
+  int id: @type ref,
+  string name: string ref,
+  int canonical_type: @type_or_none ref
+);
+
+type_reprs(  //dir=type
+  unique int id: @type_repr,
+  int type_: @type_or_none ref
+);
+
+@any_function_type =
+  @function_type
+| @generic_function_type
+;
+
+#keyset[id]
+any_function_types(  //dir=type
+  int id: @any_function_type ref,
+  int result: @type_or_none ref
+);
+
+#keyset[id, index]
+any_function_type_param_types(  //dir=type
+  int id: @any_function_type ref,
+  int index: int ref,
+  int param_type: @type_or_none ref
+);
+
+#keyset[id]
+any_function_type_is_throwing(  //dir=type
+  int id: @any_function_type ref
+);
+
+#keyset[id]
+any_function_type_is_async(  //dir=type
+  int id: @any_function_type ref
+);
+
+@any_generic_type =
+  @nominal_or_bound_generic_nominal_type
+| @unbound_generic_type
+;
+
+#keyset[id]
+any_generic_types(  //dir=type
+  int id: @any_generic_type ref,
+  int declaration: @generic_type_decl_or_none ref
+);
+
+#keyset[id]
+any_generic_type_parents(  //dir=type
+  int id: @any_generic_type ref,
+  int parent: @type_or_none ref
+);
+
+@any_metatype_type =
+  @existential_metatype_type
+| @metatype_type
+;
+
+@builtin_type =
+  @any_builtin_integer_type
+| @builtin_bridge_object_type
+| @builtin_default_actor_storage_type
+| @builtin_executor_type
+| @builtin_float_type
+| @builtin_job_type
+| @builtin_native_object_type
+| @builtin_raw_pointer_type
+| @builtin_raw_unsafe_continuation_type
+| @builtin_unsafe_value_buffer_type
+| @builtin_vector_type
+;
+
+dependent_member_types(  //dir=type
+  unique int id: @dependent_member_type,
+  int base_type: @type_or_none ref,
+  int associated_type_decl: @associated_type_decl_or_none ref
+);
+
+dynamic_self_types(  //dir=type
+  unique int id: @dynamic_self_type,
+  int static_self_type: @type_or_none ref
+);
+
+error_types(  //dir=type
+  unique int id: @error_type
+);
+
+existential_types(  //dir=type
+  unique int id: @existential_type,
+  int constraint: @type_or_none ref
+);
+
+in_out_types(  //dir=type
+  unique int id: @in_out_type,
+  int object_type: @type_or_none ref
+);
+
+l_value_types(  //dir=type
+  unique int id: @l_value_type,
+  int object_type: @type_or_none ref
+);
+
+module_types(  //dir=type
+  unique int id: @module_type,
+  int module: @module_decl_or_none ref
+);
+
+pack_element_types(  //dir=type
+  unique int id: @pack_element_type,
+  int pack_type: @type_or_none ref
+);
+
+pack_expansion_types(  //dir=type
+  unique int id: @pack_expansion_type,
+  int pattern_type: @type_or_none ref,
+  int count_type: @type_or_none ref
+);
+
+pack_types(  //dir=type
+  unique int id: @pack_type
+);
+
+#keyset[id, index]
+pack_type_elements(  //dir=type
+  int id: @pack_type ref,
+  int index: int ref,
+  int element: @type_or_none ref
+);
+
+parameterized_protocol_types(  //dir=type
+  unique int id: @parameterized_protocol_type,
+  int base: @protocol_type_or_none ref
+);
+
+#keyset[id, index]
+parameterized_protocol_type_args(  //dir=type
+  int id: @parameterized_protocol_type ref,
+  int index: int ref,
+  int arg: @type_or_none ref
+);
+
+protocol_composition_types(  //dir=type
+  unique int id: @protocol_composition_type
+);
+
+#keyset[id, index]
+protocol_composition_type_members(  //dir=type
+  int id: @protocol_composition_type ref,
+  int index: int ref,
+  int member: @type_or_none ref
+);
+
+@reference_storage_type =
+  @unmanaged_storage_type
+| @unowned_storage_type
+| @weak_storage_type
+;
+
+#keyset[id]
+reference_storage_types(  //dir=type
+  int id: @reference_storage_type ref,
+  int referent_type: @type_or_none ref
+);
+
+@substitutable_type =
+  @archetype_type
+| @generic_type_param_type
+;
+
+@sugar_type =
+  @paren_type
+| @syntax_sugar_type
+| @type_alias_type
+;
+
+tuple_types(  //dir=type
+  unique int id: @tuple_type
+);
+
+#keyset[id, index]
+tuple_type_types(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id, index]
+tuple_type_names(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unresolved_types(  //dir=type
+  unique int id: @unresolved_type
+);
+
+@any_builtin_integer_type =
+  @builtin_integer_literal_type
+| @builtin_integer_type
+;
+
+@archetype_type =
+  @local_archetype_type
+| @opaque_type_archetype_type
+| @pack_archetype_type
+| @primary_archetype_type
+;
+
+#keyset[id]
+archetype_types(  //dir=type
+  int id: @archetype_type ref,
+  int interface_type: @type_or_none ref
+);
+
+#keyset[id]
+archetype_type_superclasses(  //dir=type
+  int id: @archetype_type ref,
+  int superclass: @type_or_none ref
+);
+
+#keyset[id, index]
+archetype_type_protocols(  //dir=type
+  int id: @archetype_type ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+builtin_bridge_object_types(  //dir=type
+  unique int id: @builtin_bridge_object_type
+);
+
+builtin_default_actor_storage_types(  //dir=type
+  unique int id: @builtin_default_actor_storage_type
+);
+
+builtin_executor_types(  //dir=type
+  unique int id: @builtin_executor_type
+);
+
+builtin_float_types(  //dir=type
+  unique int id: @builtin_float_type
+);
+
+builtin_job_types(  //dir=type
+  unique int id: @builtin_job_type
+);
+
+builtin_native_object_types(  //dir=type
+  unique int id: @builtin_native_object_type
+);
+
+builtin_raw_pointer_types(  //dir=type
+  unique int id: @builtin_raw_pointer_type
+);
+
+builtin_raw_unsafe_continuation_types(  //dir=type
+  unique int id: @builtin_raw_unsafe_continuation_type
+);
+
+builtin_unsafe_value_buffer_types(  //dir=type
+  unique int id: @builtin_unsafe_value_buffer_type
+);
+
+builtin_vector_types(  //dir=type
+  unique int id: @builtin_vector_type
+);
+
+existential_metatype_types(  //dir=type
+  unique int id: @existential_metatype_type
+);
+
+function_types(  //dir=type
+  unique int id: @function_type
+);
+
+generic_function_types(  //dir=type
+  unique int id: @generic_function_type
+);
+
+#keyset[id, index]
+generic_function_type_generic_params(  //dir=type
+  int id: @generic_function_type ref,
+  int index: int ref,
+  int generic_param: @generic_type_param_type_or_none ref
+);
+
+generic_type_param_types(  //dir=type
+  unique int id: @generic_type_param_type
+);
+
+metatype_types(  //dir=type
+  unique int id: @metatype_type
+);
+
+@nominal_or_bound_generic_nominal_type =
+  @bound_generic_type
+| @nominal_type
+;
+
+paren_types(  //dir=type
+  unique int id: @paren_type,
+  int type_: @type_or_none ref
+);
+
+@syntax_sugar_type =
+  @dictionary_type
+| @unary_syntax_sugar_type
+;
+
+type_alias_types(  //dir=type
+  unique int id: @type_alias_type,
+  int decl: @type_alias_decl_or_none ref
+);
+
+unbound_generic_types(  //dir=type
+  unique int id: @unbound_generic_type
+);
+
+unmanaged_storage_types(  //dir=type
+  unique int id: @unmanaged_storage_type
+);
+
+unowned_storage_types(  //dir=type
+  unique int id: @unowned_storage_type
+);
+
+weak_storage_types(  //dir=type
+  unique int id: @weak_storage_type
+);
+
+@bound_generic_type =
+  @bound_generic_class_type
+| @bound_generic_enum_type
+| @bound_generic_struct_type
+;
+
+#keyset[id, index]
+bound_generic_type_arg_types(  //dir=type
+  int id: @bound_generic_type ref,
+  int index: int ref,
+  int arg_type: @type_or_none ref
+);
+
+builtin_integer_literal_types(  //dir=type
+  unique int id: @builtin_integer_literal_type
+);
+
+builtin_integer_types(  //dir=type
+  unique int id: @builtin_integer_type
+);
+
+#keyset[id]
+builtin_integer_type_widths(  //dir=type
+  int id: @builtin_integer_type ref,
+  int width: int ref
+);
+
+dictionary_types(  //dir=type
+  unique int id: @dictionary_type,
+  int key_type: @type_or_none ref,
+  int value_type: @type_or_none ref
+);
+
+@local_archetype_type =
+  @element_archetype_type
+| @opened_archetype_type
+;
+
+@nominal_type =
+  @class_type
+| @enum_type
+| @protocol_type
+| @struct_type
+;
+
+opaque_type_archetype_types(  //dir=type
+  unique int id: @opaque_type_archetype_type,
+  int declaration: @opaque_type_decl_or_none ref
+);
+
+pack_archetype_types(  //dir=type
+  unique int id: @pack_archetype_type
+);
+
+primary_archetype_types(  //dir=type
+  unique int id: @primary_archetype_type
+);
+
+@unary_syntax_sugar_type =
+  @array_slice_type
+| @optional_type
+| @variadic_sequence_type
+;
+
+#keyset[id]
+unary_syntax_sugar_types(  //dir=type
+  int id: @unary_syntax_sugar_type ref,
+  int base_type: @type_or_none ref
+);
+
+array_slice_types(  //dir=type
+  unique int id: @array_slice_type
+);
+
+bound_generic_class_types(  //dir=type
+  unique int id: @bound_generic_class_type
+);
+
+bound_generic_enum_types(  //dir=type
+  unique int id: @bound_generic_enum_type
+);
+
+bound_generic_struct_types(  //dir=type
+  unique int id: @bound_generic_struct_type
+);
+
+class_types(  //dir=type
+  unique int id: @class_type
+);
+
+element_archetype_types(  //dir=type
+  unique int id: @element_archetype_type
+);
+
+enum_types(  //dir=type
+  unique int id: @enum_type
+);
+
+opened_archetype_types(  //dir=type
+  unique int id: @opened_archetype_type
+);
+
+optional_types(  //dir=type
+  unique int id: @optional_type
+);
+
+protocol_types(  //dir=type
+  unique int id: @protocol_type
+);
+
+struct_types(  //dir=type
+  unique int id: @struct_type
+);
+
+variadic_sequence_types(  //dir=type
+  unique int id: @variadic_sequence_type
+);
+
+@accessor_or_none =
+  @accessor
+| @unspecified_element
+;
+
+@argument_or_none =
+  @argument
+| @unspecified_element
+;
+
+@associated_type_decl_or_none =
+  @associated_type_decl
+| @unspecified_element
+;
+
+@ast_node_or_none =
+  @ast_node
+| @unspecified_element
+;
+
+@availability_info_or_none =
+  @availability_info
+| @unspecified_element
+;
+
+@availability_spec_or_none =
+  @availability_spec
+| @unspecified_element
+;
+
+@brace_stmt_or_none =
+  @brace_stmt
+| @unspecified_element
+;
+
+@captured_decl_or_none =
+  @captured_decl
+| @unspecified_element
+;
+
+@case_label_item_or_none =
+  @case_label_item
+| @unspecified_element
+;
+
+@case_stmt_or_none =
+  @case_stmt
+| @unspecified_element
+;
+
+@closure_expr_or_none =
+  @closure_expr
+| @unspecified_element
+;
+
+@condition_element_or_none =
+  @condition_element
+| @unspecified_element
+;
+
+@decl_or_none =
+  @decl
+| @unspecified_element
+;
+
+@enum_element_decl_or_none =
+  @enum_element_decl
+| @unspecified_element
+;
+
+@expr_or_none =
+  @expr
+| @unspecified_element
+;
+
+@file_or_none =
+  @file
+| @unspecified_element
+;
+
+@function_or_none =
+  @function
+| @unspecified_element
+;
+
+@generic_type_decl_or_none =
+  @generic_type_decl
+| @unspecified_element
+;
+
+@generic_type_param_decl_or_none =
+  @generic_type_param_decl
+| @unspecified_element
+;
+
+@generic_type_param_type_or_none =
+  @generic_type_param_type
+| @unspecified_element
+;
+
+@initializer_or_none =
+  @initializer
+| @unspecified_element
+;
+
+@key_path_component_or_none =
+  @key_path_component
+| @unspecified_element
+;
+
+@location_or_none =
+  @location
+| @unspecified_element
+;
+
+@module_decl_or_none =
+  @module_decl
+| @unspecified_element
+;
+
+@nominal_type_decl_or_none =
+  @nominal_type_decl
+| @unspecified_element
+;
+
+@opaque_type_decl_or_none =
+  @opaque_type_decl
+| @unspecified_element
+;
+
+@opaque_value_expr_or_none =
+  @opaque_value_expr
+| @unspecified_element
+;
+
+@param_decl_or_none =
+  @param_decl
+| @unspecified_element
+;
+
+@pattern_or_none =
+  @pattern
+| @unspecified_element
+;
+
+@pattern_binding_decl_or_none =
+  @pattern_binding_decl
+| @unspecified_element
+;
+
+@precedence_group_decl_or_none =
+  @precedence_group_decl
+| @unspecified_element
+;
+
+@protocol_decl_or_none =
+  @protocol_decl
+| @unspecified_element
+;
+
+@protocol_type_or_none =
+  @protocol_type
+| @unspecified_element
+;
+
+@stmt_or_none =
+  @stmt
+| @unspecified_element
+;
+
+@stmt_condition_or_none =
+  @stmt_condition
+| @unspecified_element
+;
+
+@string_literal_expr_or_none =
+  @string_literal_expr
+| @unspecified_element
+;
+
+@tap_expr_or_none =
+  @tap_expr
+| @unspecified_element
+;
+
+@type_or_none =
+  @type
+| @unspecified_element
+;
+
+@type_alias_decl_or_none =
+  @type_alias_decl
+| @unspecified_element
+;
+
+@type_repr_or_none =
+  @type_repr
+| @unspecified_element
+;
+
+@value_decl_or_none =
+  @unspecified_element
+| @value_decl
+;
+
+@var_decl_or_none =
+  @unspecified_element
+| @var_decl
+;
diff --git a/swift/downgrades/556e495d498c9c01286088785b590a7e80f0bb0b/upgrade.properties b/swift/downgrades/556e495d498c9c01286088785b590a7e80f0bb0b/upgrade.properties
new file mode 100644
index 00000000000..aaba575d4b9
--- /dev/null
+++ b/swift/downgrades/556e495d498c9c01286088785b590a7e80f0bb0b/upgrade.properties
@@ -0,0 +1,10 @@
+description: Removes elements related to move semantics
+compatibility: partial
+
+unspecified_elements.rel: run downgrade.ql new_unspecified_elements
+unspecified_element_children.rel: run downgrade.ql new_unspecified_element_children
+identity_exprs.rel: run downgrade.ql new_identity_exprs
+
+copy_exprs.rel: delete
+consume_exprs.rel: delete
+borrow_exprs.rel: delete
diff --git a/swift/extractor/infra/SwiftTagTraits.h b/swift/extractor/infra/SwiftTagTraits.h
index 17ae218afa5..255c3eb7d81 100644
--- a/swift/extractor/infra/SwiftTagTraits.h
+++ b/swift/extractor/infra/SwiftTagTraits.h
@@ -103,11 +103,7 @@ MAP(swift::Expr, ExprTag)
   MAP(swift::IdentityExpr, IdentityExprTag)
     MAP(swift::ParenExpr, ParenExprTag)
     MAP(swift::DotSelfExpr, DotSelfExprTag)
-#if CODEQL_SWIFT_VERSION_GE(5, 9)
-    MAP(swift::BorrowExpr, void) // TODO (introduced in 5.9)
-#else
-    MAP(swift::MoveExpr, void)  // TODO (introduced in 5.8, gone in 5.9)
-#endif
+    MAP(swift::BorrowExpr, BorrowExprTag)
     MAP(swift::AwaitExpr, AwaitExprTag)
     MAP(swift::UnresolvedMemberChainResultExpr, UnresolvedMemberChainResultExprTag)
   MAP(swift::AnyTryExpr, AnyTryExprTag)
@@ -201,12 +197,10 @@ MAP(swift::Expr, ExprTag)
   MAP(swift::TapExpr, TapExprTag)
   MAP(swift::TypeJoinExpr, void)  // TODO (introduced in 5.8)
   MAP(swift::MacroExpansionExpr, void)  // TODO (introduced in 5.8)
-#if CODEQL_SWIFT_VERSION_GE(5, 9)
-  MAP(swift::CopyExpr, void)  // TODO (introduced in 5.9)
-  MAP(swift::ConsumeExpr, void)  // TODO (introduced in 5.9)
+  MAP(swift::CopyExpr, CopyExprTag)
+  MAP(swift::ConsumeExpr, ConsumeExprTag)
   MAP(swift::MaterializePackExpr, void)  // TODO (introduced in 5.9)
   MAP(swift::SingleValueStmtExpr, SingleValueStmtExprTag)
-#endif
 
 MAP(swift::Decl, DeclTag)
   MAP(swift::ValueDecl, ValueDeclTag)
diff --git a/swift/extractor/translators/ExprTranslator.cpp b/swift/extractor/translators/ExprTranslator.cpp
index 3e02ba1efad..343595e0a94 100644
--- a/swift/extractor/translators/ExprTranslator.cpp
+++ b/swift/extractor/translators/ExprTranslator.cpp
@@ -657,4 +657,16 @@ codeql::PackElementExpr ExprTranslator::translatePackElementExpr(
   return entry;
 }
 
+codeql::CopyExpr ExprTranslator::translateCopyExpr(const swift::CopyExpr& expr) {
+  auto entry = createExprEntry(expr);
+  entry.sub_expr = dispatcher.fetchLabel(expr.getSubExpr());
+  return entry;
+}
+
+codeql::ConsumeExpr ExprTranslator::translateConsumeExpr(const swift::ConsumeExpr& expr) {
+  auto entry = createExprEntry(expr);
+  entry.sub_expr = dispatcher.fetchLabel(expr.getSubExpr());
+  return entry;
+}
+
 }  // namespace codeql
diff --git a/swift/extractor/translators/ExprTranslator.h b/swift/extractor/translators/ExprTranslator.h
index 8a2779a32ed..b65ec377e99 100644
--- a/swift/extractor/translators/ExprTranslator.h
+++ b/swift/extractor/translators/ExprTranslator.h
@@ -122,6 +122,8 @@ class ExprTranslator : public AstTranslatorBase<ExprTranslator> {
   codeql::SingleValueStmtExpr translateSingleValueStmtExpr(const swift::SingleValueStmtExpr& expr);
   codeql::PackExpansionExpr translatePackExpansionExpr(const swift::PackExpansionExpr& expr);
   codeql::PackElementExpr translatePackElementExpr(const swift::PackElementExpr& expr);
+  codeql::CopyExpr translateCopyExpr(const swift::CopyExpr& expr);
+  codeql::ConsumeExpr translateConsumeExpr(const swift::ConsumeExpr& expr);
 
  private:
   void fillClosureExpr(const swift::AbstractClosureExpr& expr, codeql::ClosureExpr& entry);
diff --git a/swift/ql/.generated.list b/swift/ql/.generated.list
index f1503ed94a4..c40d12823dc 100644
--- a/swift/ql/.generated.list
+++ b/swift/ql/.generated.list
@@ -76,6 +76,8 @@ lib/codeql/swift/elements/expr/AwaitExprConstructor.qll 55f185fe9a656db83807b90d
 lib/codeql/swift/elements/expr/BinaryExprConstructor.qll 173dca8da8b4da92f5c45f78c9be0ed2d84fbd36d3471e87c2597f1832033acf 07136c27dcdb35a9cd2587d459a7eea64a6b3c0ad8ce7ffc7bb2cdfe26b6e9bd
 lib/codeql/swift/elements/expr/BindOptionalExprConstructor.qll 839b01e4fb4d7a13d5d28f97bdb94ef5e5d645a20e4c46e710066c46baa7d042 d53ece261604bf5909f7afeb57ef1042ef28382ce2bb0c6f9790b3ce1d24749c
 lib/codeql/swift/elements/expr/BooleanLiteralExprConstructor.qll 3ef212f498734fc2441ecfde9889164abb430c25fce9871f2dfcdc25114fe670 f9c498db8217ad2184b1fff3d6b0640a4c41b0643ac59cf672d738ba50341059
+lib/codeql/swift/elements/expr/BorrowExpr.qll ea59e5dd3fcf85e114c3a24d7405b049f8c63ee19190c40bdfce5ff81489bd35 3e0dca0efab75d6042900de9099fc27ec89a44736bace371e1f7ad05f05daebf
+lib/codeql/swift/elements/expr/BorrowExprConstructor.qll d13bd08a048dbb7a83b3882a1f58539f064376e8d96e784d5b4c6f8803aa3be7 8d8d2921ec30fa387a6adcf49f0fff4d8f96444010e36d1819792f5281d54ad7
 lib/codeql/swift/elements/expr/BridgeFromObjCExpr.qll b95f6d0cac24cf6c1f84cb904a1f9384c5085d3c97ab0b4b6e2cd1daa35886b6 a374e4f84c2fead34325d71a2fd4aa7289a9210c169ec2fd475c24fec29121d4
 lib/codeql/swift/elements/expr/BridgeFromObjCExprConstructor.qll db5793d44c554bab954b7c2458f3ce148ddcfff07c77ca4e0267736fda932042 7261f6ca92d0adc4dbb04d06f7a42956646d782d250d626d3c57fdf1d9ed3d8b
 lib/codeql/swift/elements/expr/BridgeToObjCExpr.qll 9bd4eee52d5f1c50cb509814dcb6d458097fb0e813c5450394eb328fc5c99e6f eed912e1f3c0a49c8f6fb449deddd062f347c89336fe69d50837d38a1747e1fa
@@ -96,6 +98,10 @@ lib/codeql/swift/elements/expr/ConditionalBridgeFromObjCExpr.qll bfe2e7142451c1d
 lib/codeql/swift/elements/expr/ConditionalBridgeFromObjCExprConstructor.qll 446d2b437a1b54e0ba3107aad57ea9a12449a70cd9565cc724b395bf88fd9e8b 7f7bd4dd2f6cb717c7868993d183fcf7634c30666a1709b9d1577ed17467f1e7
 lib/codeql/swift/elements/expr/ConditionalCheckedCastExpr.qll 61290c72da5609bcefb417a55e9d4338393af057c8634459875500710ffbeebb dadc07129e4b4ed41a8afb19a3e53ac0bf78f5b077be5f09e5609d87659a5869
 lib/codeql/swift/elements/expr/ConditionalCheckedCastExprConstructor.qll 14b761095c024474f6e475a66822e9893b4e65e35c4182be9fdc5f801eb2274d 7d62113ae891dff8e371ed89d698e2df225a7580fe371165d69f42bd88ce8ecc
+lib/codeql/swift/elements/expr/ConsumeExpr.qll 570b4d2e1fd00d304affc8fdda82e8eb04670caaab9d74a8d97928cc95a2b4e3 2634631565b40dd487face44581d2d28582cc80ae7bb97e39f74241d31a3a5e4
+lib/codeql/swift/elements/expr/ConsumeExprConstructor.qll e2fd37095422dcfa7e01fa0e7973db1b4e0f816064a0facd10009b200c941b0e 03c9ef3df9491b4a8438800d9d8c7b6d7fe562f1cc0250748f27933abfa2c989
+lib/codeql/swift/elements/expr/CopyExpr.qll f820ef6ae749267bfc198b110fb32a14e910800008eeb955a496a7e80cb8c614 4334f4938e164323d7bc58742b73f7285f16d6d641bd41ac92d5dccaa7af32eb
+lib/codeql/swift/elements/expr/CopyExprConstructor.qll 2b4944e504ab0a4884a926d5532c686004147548fc1734922d0a83d23828de56 4ef6c99b3bcc0ba58b8c040339762246eb206a4f89d0ed7ca92421b964bded17
 lib/codeql/swift/elements/expr/CovariantFunctionConversionExpr.qll 7726850cac33afed7bb0aad3a0e9d1211d7c287b0c17be4e2056ddcd99d35e86 aae0109a74e369d4d1a567473e24c4aac1e68cd4d4a920f11f8fc3b9db99cf6e
 lib/codeql/swift/elements/expr/CovariantFunctionConversionExprConstructor.qll 8b186ad94027e2e0a8b8cf0b0a1ec703a121e786fa969aa177dd3638af3c9c04 39c3383cf658bc10c1e02cca4c82362553d24c743651337cfaa54fbe304c9b85
 lib/codeql/swift/elements/expr/CovariantReturnConversionExpr.qll eca04e50ec909fd18e10bcccda791c6c09468ff58ad9445b3a93b9c57396c65a 41a8fa2608cf03885ac0df8e9a15ac14356b8ddaa1d7daf029e1912436a6598d
@@ -377,7 +383,7 @@ lib/codeql/swift/elements/type/UnresolvedTypeConstructor.qll 7f75d489b4d7ce65cae
 lib/codeql/swift/elements/type/VariadicSequenceTypeConstructor.qll fc74a5a2a2effa28ef24509b20ee4373d97cf6e8c71840121bb031c6adedf584 c9b2effc1d01c13c5e6a74a111122fa79a2f6554dda3cb016d68ba397e566ec4
 lib/codeql/swift/elements/type/WeakStorageType.qll edd13dd97b53040684409e187c1f975bcada6807c919e1345d8977144dbebb6f 9434c044d264a7f5f503a6422c106c9b8fedf74aaae314174473a29ea6ed17b9
 lib/codeql/swift/elements/type/WeakStorageTypeConstructor.qll 5fdce3716aba6318522174a2c455a63480970222ae81c732fb19c6dd3ae2d271 60ea79d6943e129deba0deccb566cf9d73f78398b0f7f0212674d91287d6b2ae
-lib/codeql/swift/elements.qll a9890434db7f1271edd3e61aebb2ddb170c3a71c22892d2d84a6d99dddbdbecf a9890434db7f1271edd3e61aebb2ddb170c3a71c22892d2d84a6d99dddbdbecf
+lib/codeql/swift/elements.qll a3e46884bac3428bdec439ba97c65a69fea02e30b074b585f8db378844215fe3 a3e46884bac3428bdec439ba97c65a69fea02e30b074b585f8db378844215fe3
 lib/codeql/swift/generated/AstNode.qll e00d6a46b16891778531a73722ae0b5842f849328e24aebe88bc30ac9fe438c2 40eaa0072d3ffecbff48d2baf88111daa86ef0f937abf24f032f2495739ef661
 lib/codeql/swift/generated/AvailabilityInfo.qll e90fbfc3ec6830390e12a4695698d6efd8da4fa6a8a4189f466489a6dd103586 d9545da9e5d0c160679a4147001b4b1c664d9cb85ae1a169dd639c35046d274d
 lib/codeql/swift/generated/AvailabilitySpec.qll 469bbd39d38dc68f1f6fb2e0766cc25b2f813c804fec44962910d5f7777632a2 57a953a8d5cf7031283393af1b3cfbc7f5941c9062e77950b32e5b5c6ae6b191
@@ -393,12 +399,12 @@ lib/codeql/swift/generated/KeyPathComponent.qll 55629a20538d7e8f4f4d4c7484e8bcfd
 lib/codeql/swift/generated/Locatable.qll 41f040643ea146c8044be49fddea89bdd79efd2469617c863a4b2da0b1af3364 9a964dcbc7f5ffce2ee006ce0c9a9a99a988976fcd0446af2ba1b202911d7396
 lib/codeql/swift/generated/Location.qll 5b37ecde83a871ef2089cf33e4743fc02d9cf8c676aafd9f157c59ffdb776d6b 076d8d3d2313931e8287d196854acf259700124d9c8bc591a6d36017f314260a
 lib/codeql/swift/generated/OtherAvailabilitySpec.qll 31f3667ab0dc5f93230ba876b4101898d2a5a4af306925082305eff3ad9c9c0e 31f3667ab0dc5f93230ba876b4101898d2a5a4af306925082305eff3ad9c9c0e
-lib/codeql/swift/generated/ParentChild.qll 2c655423a5efa7fe26070bf2272de0067c3288a37e6f8f7c85da46971e82ee1b e5dbf27a8efc0c4b9e2a53fd52ecd8afc3281a0a34386f6c900cd61ab4acaa83
+lib/codeql/swift/generated/ParentChild.qll a00f7eecdc91d98ad421c6d883bf2cc6e92c213befdcc494bf8ad25f2c5d4ae2 cd2c70e5940a302108319bdc16d25f49df3165be5b94fa825b64b9b5771f117d
 lib/codeql/swift/generated/PlatformVersionAvailabilitySpec.qll 3483726f6db9d978e40db75068d6a9ecad8f7c06516157fce783b26424bea729 864fedf2901de91f662a6d75a2eb7e26ed1a2a1a875a2b3c4e699dc7e7c4605e
 lib/codeql/swift/generated/PureSynthConstructors.qll 40f5c0c573ce12f16322d9efb12306750f672254cbc36a200c298cb08e504229 40f5c0c573ce12f16322d9efb12306750f672254cbc36a200c298cb08e504229
-lib/codeql/swift/generated/Raw.qll 84fc2268f5a038e58c353d940624bb738d9a195dec5a130c4844f3f9d6a0d43c 1bb8ea3ed529d61c41302b2ea65d35155ed4fd4d3fc7764e361fc108ffd30a4f
-lib/codeql/swift/generated/Synth.qll 345d99dfbb3b26173edece42dd9c00b7b49b0890e254915dc8ad393997fec1c5 fe1697b2c9dfe39ecc7e71915803773518c906c969c59ccb34252ee3d4719c5a
-lib/codeql/swift/generated/SynthConstructors.qll d63f29c58f85bf4d77a31ce325a54dc972b3ceecb3fb61b8ddbb296318be4827 d63f29c58f85bf4d77a31ce325a54dc972b3ceecb3fb61b8ddbb296318be4827
+lib/codeql/swift/generated/Raw.qll f15f0b35be65adb8027e17b5fd5478eabb5000ee887dafc5c40d8abd03ced3e3 75fc6fbb74e0720b736c13ec3627247c49f8201df929647cdb2985282abf23c1
+lib/codeql/swift/generated/Synth.qll 93565d0244a9f5bf4ba3f19a0ffabef4b8dc48703c580b905ffeac716eea5445 74d977cfe6fbb3d90579dc45b40254549e686d91eb16999c9e69fec18ab7df28
+lib/codeql/swift/generated/SynthConstructors.qll fbbf618c54843d86b4c38d7b27e12cce7661b49ce52573f791dd8fcb4bbd40f5 fbbf618c54843d86b4c38d7b27e12cce7661b49ce52573f791dd8fcb4bbd40f5
 lib/codeql/swift/generated/UnknownFile.qll 5922b351b55d5becac0c1ad67b8d601bcc9499dce9ee4093b607101e7e299104 5922b351b55d5becac0c1ad67b8d601bcc9499dce9ee4093b607101e7e299104
 lib/codeql/swift/generated/UnknownLocation.qll 67b8605ff5aaa0f3a8588fee2527eba5ec4e322562159c9af3d53486b7954ee9 67b8605ff5aaa0f3a8588fee2527eba5ec4e322562159c9af3d53486b7954ee9
 lib/codeql/swift/generated/UnspecifiedElement.qll 01182fee4d5c86b551e89c79d0d645f5e85c0aeeeae9dcafcbd7721c3eb3cc14 cb95ab2b13da080ada10e0a3bd1b00577541c4bfe699cbd19ef45f1e00e7c651
@@ -459,6 +465,7 @@ lib/codeql/swift/generated/expr/AwaitExpr.qll 2fb54f4de6373f22ac33419d6d7c00914d
 lib/codeql/swift/generated/expr/BinaryExpr.qll 3433ad4dc31b214e5eb4a8fc090000bded1cf07be7e779f9217f01518ace586f 3433ad4dc31b214e5eb4a8fc090000bded1cf07be7e779f9217f01518ace586f
 lib/codeql/swift/generated/expr/BindOptionalExpr.qll 5d264f01c894ad5fe2bb3dbd2dcbac27d491e45678c1e85db686b50db691cf2e 7368a23160ddeb2f8d133579e8e990fe6cb47789e41b3461df3e5f66d855f6da
 lib/codeql/swift/generated/expr/BooleanLiteralExpr.qll 6fc5314867f201e899199cf3289d0daa853bf49fd0e4300d8f3ee7ea05b0dd20 4355b2e49c2d7c9bb66094dd8f56bd112fbabb3fe2111b1ff7ec6d64333c8978
+lib/codeql/swift/generated/expr/BorrowExpr.qll a46b7417349e85f8000300029af7003cb064300345fc87194d95d0a27019d901 6ccb224e19a237b3146df600c040a50998db40c03b410568f9b590f3d52f10dd
 lib/codeql/swift/generated/expr/BridgeFromObjCExpr.qll 502efff92732eea47660679c29ff4ee2f79089edd570a8298352fdbb809e378d 502efff92732eea47660679c29ff4ee2f79089edd570a8298352fdbb809e378d
 lib/codeql/swift/generated/expr/BridgeToObjCExpr.qll f46fe1dc0c39b471f3acde26e719cbfabe816075ad32b5a7090ec94f6ae2ed39 f46fe1dc0c39b471f3acde26e719cbfabe816075ad32b5a7090ec94f6ae2ed39
 lib/codeql/swift/generated/expr/BuiltinLiteralExpr.qll e73fc5a38f0681543b9386fa523039de094b1550ff07c279bd60e1c3f6f243d0 03395da16415155096d7b01fe69a7d1cd27929481f7639cb927ffac1f4ba42e7
@@ -472,6 +479,8 @@ lib/codeql/swift/generated/expr/CollectionExpr.qll 40f0167cbf67bba45be184e9603f9
 lib/codeql/swift/generated/expr/CollectionUpcastConversionExpr.qll 9925461069bd584492925baae30ab098d55ec552e557c6357e8bc82ea204d843 6462bd150d2b6dafbbb05c17e970c47e290cc1d1ae704e5ccb381800451a7188
 lib/codeql/swift/generated/expr/ConditionalBridgeFromObjCExpr.qll 65bdf5e9a9e98569af93d2212b114c822e9809ad4a43b50e50e8face07268156 c20f1ff1fd6231e7691d50cc1ee0c36edd8ed3a58ce1cc378ce9e03e9423cb6e
 lib/codeql/swift/generated/expr/ConditionalCheckedCastExpr.qll be657b986ae9a8ba929d3e5683d101e1a26e8d7995376ed68610477e87f48184 be657b986ae9a8ba929d3e5683d101e1a26e8d7995376ed68610477e87f48184
+lib/codeql/swift/generated/expr/ConsumeExpr.qll 1b90630ffefdef29ef57ea1070b6e28580c6245f31e3c6209b5960f7c1409ab7 b0d484bdcd875121ceab93a2fc4af8d320997c1581250bbcd77a29e0cb1765f7
+lib/codeql/swift/generated/expr/CopyExpr.qll a25970a0238df0ebcf63d437681b1ba3d5f750f0ab69d7c1bb9f3b600392dc90 4c64344d994a0b1fd6fbf39283d3d87423d2dd13893509b296fdbd280703ad04
 lib/codeql/swift/generated/expr/CovariantFunctionConversionExpr.qll 4b48c9d01c5f67bd5a6d2ff609ac9bf87954298cd0719b5a951efb89146fcbe6 43626bf6760dfc8f49362d8f065a8f5339f822c8f76ff9be012b4471e20afde2
 lib/codeql/swift/generated/expr/CovariantReturnConversionExpr.qll 0c8dffec9ed1f28902a9679ec29ba33b6a9225460180db923733ad3d14fbdd28 fee3ddce4a699c86770b2a9211e524f764ed9140860b7e6c58ca7f62566cd4ec
 lib/codeql/swift/generated/expr/DeclRefExpr.qll ab3ada6eaad669a5e2f170c096d27934ddbc28638b37df77d402eb01fba4f2e6 b00075cc65fe364288022937b0e0cfd9805d94436e48cbd88dacdf5bcd4a170d
@@ -794,6 +803,10 @@ test/extractor-tests/generated/expr/CallExpr/MISSING_SOURCE.txt 66846d526b0bc432
 test/extractor-tests/generated/expr/CaptureListExpr/MISSING_SOURCE.txt 66846d526b0bc4328735c3c4dd9c390a9325da5b5dfd42ec07622f9c7108a7d7 66846d526b0bc4328735c3c4dd9c390a9325da5b5dfd42ec07622f9c7108a7d7
 test/extractor-tests/generated/expr/CoerceExpr/MISSING_SOURCE.txt 66846d526b0bc4328735c3c4dd9c390a9325da5b5dfd42ec07622f9c7108a7d7 66846d526b0bc4328735c3c4dd9c390a9325da5b5dfd42ec07622f9c7108a7d7
 test/extractor-tests/generated/expr/ConditionalCheckedCastExpr/MISSING_SOURCE.txt 66846d526b0bc4328735c3c4dd9c390a9325da5b5dfd42ec07622f9c7108a7d7 66846d526b0bc4328735c3c4dd9c390a9325da5b5dfd42ec07622f9c7108a7d7
+test/extractor-tests/generated/expr/CopyExpr/ConsumeExpr.ql 82c89019ed578c83dfa7c7bd04e52bb795facacfc2163c4757a5f43dbc8c7e0c 21a0f3b831daf6067977e3ad150cef085a72c775182e2e280e9bca22432640a6
+test/extractor-tests/generated/expr/CopyExpr/ConsumeExpr_getType.ql 18017c131ec3425ec850963fde2239648b0fcb54abc498017bbb36d4f6c2f9f7 248bb50866bc75dad94d15a19aa30a00231abd996e613d4ba3a7d361707f75e6
+test/extractor-tests/generated/expr/CopyExpr/CopyExpr.ql 2e80272756531b3d7c65d9efd9474927e5cea719813acb599b61526e1957b220 1982362701e058bd32d3f9dfafbee3770a5016008cc1330237eb102f8459b506
+test/extractor-tests/generated/expr/CopyExpr/CopyExpr_getType.ql 33698df9758f9399a0a7492a8432399582d2d52699572ca550c0fcdad839336e 330bd731f686d534769f7fc08d04e60dec83bced96cf39845c4374fa0629eb53
 test/extractor-tests/generated/expr/DeclRefExpr/MISSING_SOURCE.txt 66846d526b0bc4328735c3c4dd9c390a9325da5b5dfd42ec07622f9c7108a7d7 66846d526b0bc4328735c3c4dd9c390a9325da5b5dfd42ec07622f9c7108a7d7
 test/extractor-tests/generated/expr/DefaultArgumentExpr/MISSING_SOURCE.txt 66846d526b0bc4328735c3c4dd9c390a9325da5b5dfd42ec07622f9c7108a7d7 66846d526b0bc4328735c3c4dd9c390a9325da5b5dfd42ec07622f9c7108a7d7
 test/extractor-tests/generated/expr/DictionaryExpr/MISSING_SOURCE.txt 66846d526b0bc4328735c3c4dd9c390a9325da5b5dfd42ec07622f9c7108a7d7 66846d526b0bc4328735c3c4dd9c390a9325da5b5dfd42ec07622f9c7108a7d7
diff --git a/swift/ql/.gitattributes b/swift/ql/.gitattributes
index 48d73b3fa88..15e77446de9 100644
--- a/swift/ql/.gitattributes
+++ b/swift/ql/.gitattributes
@@ -78,6 +78,8 @@
 /lib/codeql/swift/elements/expr/BinaryExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/BindOptionalExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/BooleanLiteralExprConstructor.qll linguist-generated
+/lib/codeql/swift/elements/expr/BorrowExpr.qll linguist-generated
+/lib/codeql/swift/elements/expr/BorrowExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/BridgeFromObjCExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/BridgeFromObjCExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/BridgeToObjCExpr.qll linguist-generated
@@ -98,6 +100,10 @@
 /lib/codeql/swift/elements/expr/ConditionalBridgeFromObjCExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/ConditionalCheckedCastExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/ConditionalCheckedCastExprConstructor.qll linguist-generated
+/lib/codeql/swift/elements/expr/ConsumeExpr.qll linguist-generated
+/lib/codeql/swift/elements/expr/ConsumeExprConstructor.qll linguist-generated
+/lib/codeql/swift/elements/expr/CopyExpr.qll linguist-generated
+/lib/codeql/swift/elements/expr/CopyExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/CovariantFunctionConversionExpr.qll linguist-generated
 /lib/codeql/swift/elements/expr/CovariantFunctionConversionExprConstructor.qll linguist-generated
 /lib/codeql/swift/elements/expr/CovariantReturnConversionExpr.qll linguist-generated
@@ -461,6 +467,7 @@
 /lib/codeql/swift/generated/expr/BinaryExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/BindOptionalExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/BooleanLiteralExpr.qll linguist-generated
+/lib/codeql/swift/generated/expr/BorrowExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/BridgeFromObjCExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/BridgeToObjCExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/BuiltinLiteralExpr.qll linguist-generated
@@ -474,6 +481,8 @@
 /lib/codeql/swift/generated/expr/CollectionUpcastConversionExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/ConditionalBridgeFromObjCExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/ConditionalCheckedCastExpr.qll linguist-generated
+/lib/codeql/swift/generated/expr/ConsumeExpr.qll linguist-generated
+/lib/codeql/swift/generated/expr/CopyExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/CovariantFunctionConversionExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/CovariantReturnConversionExpr.qll linguist-generated
 /lib/codeql/swift/generated/expr/DeclRefExpr.qll linguist-generated
@@ -796,6 +805,10 @@
 /test/extractor-tests/generated/expr/CaptureListExpr/MISSING_SOURCE.txt linguist-generated
 /test/extractor-tests/generated/expr/CoerceExpr/MISSING_SOURCE.txt linguist-generated
 /test/extractor-tests/generated/expr/ConditionalCheckedCastExpr/MISSING_SOURCE.txt linguist-generated
+/test/extractor-tests/generated/expr/CopyExpr/ConsumeExpr.ql linguist-generated
+/test/extractor-tests/generated/expr/CopyExpr/ConsumeExpr_getType.ql linguist-generated
+/test/extractor-tests/generated/expr/CopyExpr/CopyExpr.ql linguist-generated
+/test/extractor-tests/generated/expr/CopyExpr/CopyExpr_getType.ql linguist-generated
 /test/extractor-tests/generated/expr/DeclRefExpr/MISSING_SOURCE.txt linguist-generated
 /test/extractor-tests/generated/expr/DefaultArgumentExpr/MISSING_SOURCE.txt linguist-generated
 /test/extractor-tests/generated/expr/DictionaryExpr/MISSING_SOURCE.txt linguist-generated
diff --git a/swift/ql/lib/change-notes/2023-11-09-parameter-packs.md b/swift/ql/lib/change-notes/2023-11-09-parameter-packs.md
index 599a2be3625..cbd7b62b3ba 100644
--- a/swift/ql/lib/change-notes/2023-11-09-parameter-packs.md
+++ b/swift/ql/lib/change-notes/2023-11-09-parameter-packs.md
@@ -1,4 +1,4 @@
 ---
-category: majorAnalysis
+category: minorAnalysis
 ---
 * AST and types related to parameter packs are now extracted
diff --git a/swift/ql/lib/change-notes/2023-14-09-move-semantics.md b/swift/ql/lib/change-notes/2023-14-09-move-semantics.md
new file mode 100644
index 00000000000..d68ea4b1d9b
--- /dev/null
+++ b/swift/ql/lib/change-notes/2023-14-09-move-semantics.md
@@ -0,0 +1,4 @@
+---
+category: minorAnalysis
+---
+* AST and types related to move semantics (`copy`, `consume`, `_borrow`) are now extracted
diff --git a/swift/ql/lib/codeql/swift/controlflow/internal/ControlFlowGraphImpl.qll b/swift/ql/lib/codeql/swift/controlflow/internal/ControlFlowGraphImpl.qll
index 9be5aa51660..13d420c5849 100644
--- a/swift/ql/lib/codeql/swift/controlflow/internal/ControlFlowGraphImpl.qll
+++ b/swift/ql/lib/codeql/swift/controlflow/internal/ControlFlowGraphImpl.qll
@@ -1444,6 +1444,24 @@ module Exprs {
     }
   }
 
+  /** Control-flow for Move Semantics. See the QLDoc for `CopyExpr` for details. */
+  private class CopyExprTree extends AstStandardPostOrderTree {
+    override CopyExpr ast;
+
+    final override ControlFlowElement getChildElement(int i) {
+      i = 0 and result.asAstNode() = ast.getSubExpr().getFullyUnresolved()
+    }
+  }
+
+  /** Control-flow for Move Semantics. See the QLDoc for `ConsumeExpr` for details. */
+  private class ConsumeExprTree extends AstStandardPostOrderTree {
+    override ConsumeExpr ast;
+
+    final override ControlFlowElement getChildElement(int i) {
+      i = 0 and result.asAstNode() = ast.getSubExpr().getFullyUnresolved()
+    }
+  }
+
   private class OpaqueValueExprTree extends AstLeafTree {
     override OpaqueValueExpr ast;
   }
diff --git a/swift/ql/lib/codeql/swift/elements.qll b/swift/ql/lib/codeql/swift/elements.qll
index 51c7e1b6087..4bea2371032 100644
--- a/swift/ql/lib/codeql/swift/elements.qll
+++ b/swift/ql/lib/codeql/swift/elements.qll
@@ -78,6 +78,7 @@ import codeql.swift.elements.expr.AwaitExpr
 import codeql.swift.elements.expr.BinaryExpr
 import codeql.swift.elements.expr.BindOptionalExpr
 import codeql.swift.elements.expr.BooleanLiteralExpr
+import codeql.swift.elements.expr.BorrowExpr
 import codeql.swift.elements.expr.BridgeFromObjCExpr
 import codeql.swift.elements.expr.BridgeToObjCExpr
 import codeql.swift.elements.expr.BuiltinLiteralExpr
@@ -91,6 +92,8 @@ import codeql.swift.elements.expr.CollectionExpr
 import codeql.swift.elements.expr.CollectionUpcastConversionExpr
 import codeql.swift.elements.expr.ConditionalBridgeFromObjCExpr
 import codeql.swift.elements.expr.ConditionalCheckedCastExpr
+import codeql.swift.elements.expr.ConsumeExpr
+import codeql.swift.elements.expr.CopyExpr
 import codeql.swift.elements.expr.CovariantFunctionConversionExpr
 import codeql.swift.elements.expr.CovariantReturnConversionExpr
 import codeql.swift.elements.expr.DeclRefExpr
diff --git a/swift/ql/lib/codeql/swift/elements/expr/BorrowExpr.qll b/swift/ql/lib/codeql/swift/elements/expr/BorrowExpr.qll
new file mode 100644
index 00000000000..0c55197cb78
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/BorrowExpr.qll
@@ -0,0 +1,8 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ * This module provides a hand-modifiable wrapper around the generated class `BorrowExpr`.
+ */
+
+private import codeql.swift.generated.expr.BorrowExpr
+
+class BorrowExpr extends Generated::BorrowExpr { }
diff --git a/swift/ql/lib/codeql/swift/elements/expr/BorrowExprConstructor.qll b/swift/ql/lib/codeql/swift/elements/expr/BorrowExprConstructor.qll
new file mode 100644
index 00000000000..87a46897803
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/BorrowExprConstructor.qll
@@ -0,0 +1,14 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ *  This module defines the hook used internally to tweak the characteristic predicate of
+ *  `BorrowExpr` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+
+private import codeql.swift.generated.Raw
+
+/**
+ *  The characteristic predicate of `BorrowExpr` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+predicate constructBorrowExpr(Raw::BorrowExpr id) { any() }
diff --git a/swift/ql/lib/codeql/swift/elements/expr/ConsumeExpr.qll b/swift/ql/lib/codeql/swift/elements/expr/ConsumeExpr.qll
new file mode 100644
index 00000000000..19997839b82
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/ConsumeExpr.qll
@@ -0,0 +1,8 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ * This module provides a hand-modifiable wrapper around the generated class `ConsumeExpr`.
+ */
+
+private import codeql.swift.generated.expr.ConsumeExpr
+
+class ConsumeExpr extends Generated::ConsumeExpr { }
diff --git a/swift/ql/lib/codeql/swift/elements/expr/ConsumeExprConstructor.qll b/swift/ql/lib/codeql/swift/elements/expr/ConsumeExprConstructor.qll
new file mode 100644
index 00000000000..3298b7c2071
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/ConsumeExprConstructor.qll
@@ -0,0 +1,14 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ *  This module defines the hook used internally to tweak the characteristic predicate of
+ *  `ConsumeExpr` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+
+private import codeql.swift.generated.Raw
+
+/**
+ *  The characteristic predicate of `ConsumeExpr` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+predicate constructConsumeExpr(Raw::ConsumeExpr id) { any() }
diff --git a/swift/ql/lib/codeql/swift/elements/expr/CopyExpr.qll b/swift/ql/lib/codeql/swift/elements/expr/CopyExpr.qll
new file mode 100644
index 00000000000..2a0d873a8f1
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/CopyExpr.qll
@@ -0,0 +1,8 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ * This module provides a hand-modifiable wrapper around the generated class `CopyExpr`.
+ */
+
+private import codeql.swift.generated.expr.CopyExpr
+
+class CopyExpr extends Generated::CopyExpr { }
diff --git a/swift/ql/lib/codeql/swift/elements/expr/CopyExprConstructor.qll b/swift/ql/lib/codeql/swift/elements/expr/CopyExprConstructor.qll
new file mode 100644
index 00000000000..0997908fa4a
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/elements/expr/CopyExprConstructor.qll
@@ -0,0 +1,14 @@
+// generated by codegen/codegen.py, remove this comment if you wish to edit this file
+/**
+ *  This module defines the hook used internally to tweak the characteristic predicate of
+ *  `CopyExpr` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+
+private import codeql.swift.generated.Raw
+
+/**
+ *  The characteristic predicate of `CopyExpr` synthesized instances.
+ *  INTERNAL: Do not use.
+ */
+predicate constructCopyExpr(Raw::CopyExpr id) { any() }
diff --git a/swift/ql/lib/codeql/swift/frameworks/StandardLibrary/String.qll b/swift/ql/lib/codeql/swift/frameworks/StandardLibrary/String.qll
index c308e6c32c7..eae5f78bb7f 100644
--- a/swift/ql/lib/codeql/swift/frameworks/StandardLibrary/String.qll
+++ b/swift/ql/lib/codeql/swift/frameworks/StandardLibrary/String.qll
@@ -47,7 +47,7 @@ private class StringSummaries extends SummaryModelCsv {
         ";StringProtocol;true;capitalized(with:);;;Argument[-1];ReturnValue;taint",
         ";StringProtocol;true;completePath(into:caseSensitive:matchesInto:filterTypes:);;;Argument[-1];Argument[0].CollectionElement;taint",
         ";StringProtocol;true;completePath(into:caseSensitive:matchesInto:filterTypes:);;;Argument[-1];Argument[2].CollectionElement.CollectionElement;taint",
-        ";StringProtocol;true;components(separatedBy:);;;Argument[-1];ReturnValue;taint",
+        ";StringProtocol;true;components(separatedBy:);;;Argument[-1];ReturnValue.CollectionElement;taint",
         ";StringProtocol;true;data(using:allowLossyConversion:);;;Argument[-1];ReturnValue;taint",
         ";StringProtocol;true;folding(options:locale:);;;Argument[-1];ReturnValue;taint",
         ";StringProtocol;true;getBytes(_:maxLength:usedLength:encoding:options:range:remaining:);;;Argument[-1];Argument[0].CollectionElement;taint",
diff --git a/swift/ql/lib/codeql/swift/frameworks/StandardLibrary/Url.qll b/swift/ql/lib/codeql/swift/frameworks/StandardLibrary/Url.qll
index 8b4ded353da..ff9aa37769a 100644
--- a/swift/ql/lib/codeql/swift/frameworks/StandardLibrary/Url.qll
+++ b/swift/ql/lib/codeql/swift/frameworks/StandardLibrary/Url.qll
@@ -22,8 +22,7 @@ private class UrlFieldsInheritTaint extends TaintInheritingContent, DataFlow::Co
 }
 
 /**
- * A content implying that, if a `URLRequest` is tainted, then its fields `url`, `httpBody`,
- * `httpBodyStream`, `mainDocument` and `allHTTPHeaderFields` are tainted.
+ * A content implying that, if a `URLRequest` is tainted, then certain fields tainted.
  */
 private class UrlRequestFieldsInheritTaint extends TaintInheritingContent,
   DataFlow::Content::FieldContent
@@ -31,7 +30,10 @@ private class UrlRequestFieldsInheritTaint extends TaintInheritingContent,
   UrlRequestFieldsInheritTaint() {
     this.getField().getEnclosingDecl().asNominalTypeDecl().getName() = "URLRequest" and
     this.getField().getName() =
-      ["url", "httpBody", "httpBodyStream", "mainDocument", "allHTTPHeaderFields"]
+      [
+        "url", "httpBody", "httpBodyStream", "mainDocument", "mainDocumentURL",
+        "allHTTPHeaderFields"
+      ]
   }
 }
 
diff --git a/swift/ql/lib/codeql/swift/frameworks/StandardLibrary/WebView.qll b/swift/ql/lib/codeql/swift/frameworks/StandardLibrary/WebView.qll
index da54683029f..03345227047 100644
--- a/swift/ql/lib/codeql/swift/frameworks/StandardLibrary/WebView.qll
+++ b/swift/ql/lib/codeql/swift/frameworks/StandardLibrary/WebView.qll
@@ -39,7 +39,7 @@ private class WKScriptMessageBodyInheritsTaint extends TaintInheritingContent,
 }
 
 /**
- * A type or extension delcaration that adopts the protocol `WKNavigationDelegate`.
+ * A type or extension declaration that adopts the protocol `WKNavigationDelegate`.
  */
 private class AdoptsWkNavigationDelegate extends Decl {
   AdoptsWkNavigationDelegate() {
@@ -74,19 +74,15 @@ private class WKNavigationDelegateSource extends RemoteFlowSource {
 }
 
 /**
- * A taint step implying that, if a `WKNavigationAction` is tainted, its `request` field is also tainted.
+ * A content implying that, if a `WKNavigationAction` is tainted, its
+ * `request` field is also tainted.
  */
-private class WKNavigationActionTaintStep extends AdditionalTaintStep {
-  override predicate step(DataFlow::Node n1, DataFlow::Node n2) {
-    exists(MemberRefExpr e, Expr self, VarDecl member |
-      self.getType().getName() = "WKNavigationAction" and
-      member.getName() = "request"
-    |
-      e.getBase() = self and
-      e.getMember() = member and
-      n1.asExpr() = self and
-      n2.asExpr() = e
-    )
+private class UrlRequestFieldsInheritTaint extends TaintInheritingContent,
+  DataFlow::Content::FieldContent
+{
+  UrlRequestFieldsInheritTaint() {
+    this.getField().getEnclosingDecl().asNominalTypeDecl().getName() = "WKNavigationAction" and
+    this.getField().getName() = "request"
   }
 }
 
diff --git a/swift/ql/lib/codeql/swift/generated/ParentChild.qll b/swift/ql/lib/codeql/swift/generated/ParentChild.qll
index 8c911aca44a..49e5c2b4109 100644
--- a/swift/ql/lib/codeql/swift/generated/ParentChild.qll
+++ b/swift/ql/lib/codeql/swift/generated/ParentChild.qll
@@ -1201,6 +1201,40 @@ private module Impl {
     )
   }
 
+  private Element getImmediateChildOfConsumeExpr(
+    ConsumeExpr e, int index, string partialPredicateCall
+  ) {
+    exists(int b, int bExpr, int n, int nSubExpr |
+      b = 0 and
+      bExpr = b + 1 + max(int i | i = -1 or exists(getImmediateChildOfExpr(e, i, _)) | i) and
+      n = bExpr and
+      nSubExpr = n + 1 and
+      (
+        none()
+        or
+        result = getImmediateChildOfExpr(e, index - b, partialPredicateCall)
+        or
+        index = n and result = e.getImmediateSubExpr() and partialPredicateCall = "SubExpr()"
+      )
+    )
+  }
+
+  private Element getImmediateChildOfCopyExpr(CopyExpr e, int index, string partialPredicateCall) {
+    exists(int b, int bExpr, int n, int nSubExpr |
+      b = 0 and
+      bExpr = b + 1 + max(int i | i = -1 or exists(getImmediateChildOfExpr(e, i, _)) | i) and
+      n = bExpr and
+      nSubExpr = n + 1 and
+      (
+        none()
+        or
+        result = getImmediateChildOfExpr(e, index - b, partialPredicateCall)
+        or
+        index = n and result = e.getImmediateSubExpr() and partialPredicateCall = "SubExpr()"
+      )
+    )
+  }
+
   private Element getImmediateChildOfDeclRefExpr(
     DeclRefExpr e, int index, string partialPredicateCall
   ) {
@@ -2141,6 +2175,20 @@ private module Impl {
     )
   }
 
+  private Element getImmediateChildOfBorrowExpr(BorrowExpr e, int index, string partialPredicateCall) {
+    exists(int b, int bIdentityExpr, int n |
+      b = 0 and
+      bIdentityExpr =
+        b + 1 + max(int i | i = -1 or exists(getImmediateChildOfIdentityExpr(e, i, _)) | i) and
+      n = bIdentityExpr and
+      (
+        none()
+        or
+        result = getImmediateChildOfIdentityExpr(e, index - b, partialPredicateCall)
+      )
+    )
+  }
+
   private Element getImmediateChildOfBridgeFromObjCExpr(
     BridgeFromObjCExpr e, int index, string partialPredicateCall
   ) {
@@ -5078,6 +5126,10 @@ private module Impl {
     or
     result = getImmediateChildOfCaptureListExpr(e, index, partialAccessor)
     or
+    result = getImmediateChildOfConsumeExpr(e, index, partialAccessor)
+    or
+    result = getImmediateChildOfCopyExpr(e, index, partialAccessor)
+    or
     result = getImmediateChildOfDeclRefExpr(e, index, partialAccessor)
     or
     result = getImmediateChildOfDefaultArgumentExpr(e, index, partialAccessor)
@@ -5172,6 +5224,8 @@ private module Impl {
     or
     result = getImmediateChildOfBinaryExpr(e, index, partialAccessor)
     or
+    result = getImmediateChildOfBorrowExpr(e, index, partialAccessor)
+    or
     result = getImmediateChildOfBridgeFromObjCExpr(e, index, partialAccessor)
     or
     result = getImmediateChildOfBridgeToObjCExpr(e, index, partialAccessor)
diff --git a/swift/ql/lib/codeql/swift/generated/Raw.qll b/swift/ql/lib/codeql/swift/generated/Raw.qll
index 2961655e3e1..9a2564ec8f0 100644
--- a/swift/ql/lib/codeql/swift/generated/Raw.qll
+++ b/swift/ql/lib/codeql/swift/generated/Raw.qll
@@ -1119,6 +1119,42 @@ module Raw {
    */
   class CollectionExpr extends @collection_expr, Expr { }
 
+  /**
+   * INTERNAL: Do not use.
+   * An expression that forces value to be moved. In the example below, `consume` marks the move expression:
+   *
+   * ```
+   * let y = ...
+   * let x = consume y
+   * ```
+   */
+  class ConsumeExpr extends @consume_expr, Expr {
+    override string toString() { result = "ConsumeExpr" }
+
+    /**
+     * Gets the sub expression of this consume expression.
+     */
+    Expr getSubExpr() { consume_exprs(this, result) }
+  }
+
+  /**
+   * INTERNAL: Do not use.
+   * An expression that forces value to be copied. In the example below, `copy` marks the copy expression:
+   *
+   * ```
+   * let y = ...
+   * let x = copy y
+   * ```
+   */
+  class CopyExpr extends @copy_expr, Expr {
+    override string toString() { result = "CopyExpr" }
+
+    /**
+     * Gets the sub expression of this copy expression.
+     */
+    Expr getSubExpr() { copy_exprs(this, result) }
+  }
+
   /**
    * INTERNAL: Do not use.
    */
@@ -1843,6 +1879,19 @@ module Raw {
     override string toString() { result = "BinaryExpr" }
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * An expression that marks value as borrowed. In the example below, `_borrow` marks the borrow expression:
+   *
+   * ```
+   * let y = ...
+   * let x = _borrow y
+   * ```
+   */
+  class BorrowExpr extends @borrow_expr, IdentityExpr {
+    override string toString() { result = "BorrowExpr" }
+  }
+
   /**
    * INTERNAL: Do not use.
    */
diff --git a/swift/ql/lib/codeql/swift/generated/Synth.qll b/swift/ql/lib/codeql/swift/generated/Synth.qll
index 58757251702..685b4d1ebbd 100644
--- a/swift/ql/lib/codeql/swift/generated/Synth.qll
+++ b/swift/ql/lib/codeql/swift/generated/Synth.qll
@@ -235,6 +235,10 @@ module Synth {
      * INTERNAL: Do not use.
      */
     TBooleanLiteralExpr(Raw::BooleanLiteralExpr id) { constructBooleanLiteralExpr(id) } or
+    /**
+     * INTERNAL: Do not use.
+     */
+    TBorrowExpr(Raw::BorrowExpr id) { constructBorrowExpr(id) } or
     /**
      * INTERNAL: Do not use.
      */
@@ -279,6 +283,14 @@ module Synth {
     TConditionalCheckedCastExpr(Raw::ConditionalCheckedCastExpr id) {
       constructConditionalCheckedCastExpr(id)
     } or
+    /**
+     * INTERNAL: Do not use.
+     */
+    TConsumeExpr(Raw::ConsumeExpr id) { constructConsumeExpr(id) } or
+    /**
+     * INTERNAL: Do not use.
+     */
+    TCopyExpr(Raw::CopyExpr id) { constructCopyExpr(id) } or
     /**
      * INTERNAL: Do not use.
      */
@@ -1195,25 +1207,25 @@ module Synth {
    */
   class TExpr =
     TAnyTryExpr or TAppliedPropertyWrapperExpr or TApplyExpr or TAssignExpr or TBindOptionalExpr or
-        TCaptureListExpr or TClosureExpr or TCollectionExpr or TDeclRefExpr or
-        TDefaultArgumentExpr or TDiscardAssignmentExpr or TDotSyntaxBaseIgnoredExpr or
-        TDynamicTypeExpr or TEnumIsCaseExpr or TErrorExpr or TExplicitCastExpr or TForceValueExpr or
-        TIdentityExpr or TIfExpr or TImplicitConversionExpr or TInOutExpr or
-        TKeyPathApplicationExpr or TKeyPathDotExpr or TKeyPathExpr or TLazyInitializationExpr or
-        TLiteralExpr or TLookupExpr or TMakeTemporarilyEscapableExpr or TObjCSelectorExpr or
-        TOneWayExpr or TOpaqueValueExpr or TOpenExistentialExpr or TOptionalEvaluationExpr or
-        TOtherInitializerRefExpr or TOverloadedDeclRefExpr or TPackElementExpr or
-        TPackExpansionExpr or TPropertyWrapperValuePlaceholderExpr or
-        TRebindSelfInInitializerExpr or TSequenceExpr or TSingleValueStmtExpr or TSuperRefExpr or
-        TTapExpr or TTupleElementExpr or TTupleExpr or TTypeExpr or TUnresolvedDeclRefExpr or
-        TUnresolvedDotExpr or TUnresolvedMemberExpr or TUnresolvedPatternExpr or
-        TUnresolvedSpecializeExpr or TVarargExpansionExpr;
+        TCaptureListExpr or TClosureExpr or TCollectionExpr or TConsumeExpr or TCopyExpr or
+        TDeclRefExpr or TDefaultArgumentExpr or TDiscardAssignmentExpr or
+        TDotSyntaxBaseIgnoredExpr or TDynamicTypeExpr or TEnumIsCaseExpr or TErrorExpr or
+        TExplicitCastExpr or TForceValueExpr or TIdentityExpr or TIfExpr or
+        TImplicitConversionExpr or TInOutExpr or TKeyPathApplicationExpr or TKeyPathDotExpr or
+        TKeyPathExpr or TLazyInitializationExpr or TLiteralExpr or TLookupExpr or
+        TMakeTemporarilyEscapableExpr or TObjCSelectorExpr or TOneWayExpr or TOpaqueValueExpr or
+        TOpenExistentialExpr or TOptionalEvaluationExpr or TOtherInitializerRefExpr or
+        TOverloadedDeclRefExpr or TPackElementExpr or TPackExpansionExpr or
+        TPropertyWrapperValuePlaceholderExpr or TRebindSelfInInitializerExpr or TSequenceExpr or
+        TSingleValueStmtExpr or TSuperRefExpr or TTapExpr or TTupleElementExpr or TTupleExpr or
+        TTypeExpr or TUnresolvedDeclRefExpr or TUnresolvedDotExpr or TUnresolvedMemberExpr or
+        TUnresolvedPatternExpr or TUnresolvedSpecializeExpr or TVarargExpansionExpr;
 
   /**
    * INTERNAL: Do not use.
    */
   class TIdentityExpr =
-    TAwaitExpr or TDotSelfExpr or TParenExpr or TUnresolvedMemberChainResultExpr;
+    TAwaitExpr or TBorrowExpr or TDotSelfExpr or TParenExpr or TUnresolvedMemberChainResultExpr;
 
   /**
    * INTERNAL: Do not use.
@@ -1787,6 +1799,13 @@ module Synth {
     result = TBooleanLiteralExpr(e)
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * Converts a raw element to a synthesized `TBorrowExpr`, if possible.
+   */
+  cached
+  TBorrowExpr convertBorrowExprFromRaw(Raw::Element e) { result = TBorrowExpr(e) }
+
   /**
    * INTERNAL: Do not use.
    * Converts a raw element to a synthesized `TBridgeFromObjCExpr`, if possible.
@@ -1860,6 +1879,20 @@ module Synth {
     result = TConditionalCheckedCastExpr(e)
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * Converts a raw element to a synthesized `TConsumeExpr`, if possible.
+   */
+  cached
+  TConsumeExpr convertConsumeExprFromRaw(Raw::Element e) { result = TConsumeExpr(e) }
+
+  /**
+   * INTERNAL: Do not use.
+   * Converts a raw element to a synthesized `TCopyExpr`, if possible.
+   */
+  cached
+  TCopyExpr convertCopyExprFromRaw(Raw::Element e) { result = TCopyExpr(e) }
+
   /**
    * INTERNAL: Do not use.
    * Converts a raw element to a synthesized `TCovariantFunctionConversionExpr`, if possible.
@@ -3702,6 +3735,10 @@ module Synth {
     or
     result = convertCollectionExprFromRaw(e)
     or
+    result = convertConsumeExprFromRaw(e)
+    or
+    result = convertCopyExprFromRaw(e)
+    or
     result = convertDeclRefExprFromRaw(e)
     or
     result = convertDefaultArgumentExprFromRaw(e)
@@ -3799,6 +3836,8 @@ module Synth {
   TIdentityExpr convertIdentityExprFromRaw(Raw::Element e) {
     result = convertAwaitExprFromRaw(e)
     or
+    result = convertBorrowExprFromRaw(e)
+    or
     result = convertDotSelfExprFromRaw(e)
     or
     result = convertParenExprFromRaw(e)
@@ -4685,6 +4724,13 @@ module Synth {
     e = TBooleanLiteralExpr(result)
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * Converts a synthesized `TBorrowExpr` to a raw DB element, if possible.
+   */
+  cached
+  Raw::Element convertBorrowExprToRaw(TBorrowExpr e) { e = TBorrowExpr(result) }
+
   /**
    * INTERNAL: Do not use.
    * Converts a synthesized `TBridgeFromObjCExpr` to a raw DB element, if possible.
@@ -4758,6 +4804,20 @@ module Synth {
     e = TConditionalCheckedCastExpr(result)
   }
 
+  /**
+   * INTERNAL: Do not use.
+   * Converts a synthesized `TConsumeExpr` to a raw DB element, if possible.
+   */
+  cached
+  Raw::Element convertConsumeExprToRaw(TConsumeExpr e) { e = TConsumeExpr(result) }
+
+  /**
+   * INTERNAL: Do not use.
+   * Converts a synthesized `TCopyExpr` to a raw DB element, if possible.
+   */
+  cached
+  Raw::Element convertCopyExprToRaw(TCopyExpr e) { e = TCopyExpr(result) }
+
   /**
    * INTERNAL: Do not use.
    * Converts a synthesized `TCovariantFunctionConversionExpr` to a raw DB element, if possible.
@@ -6598,6 +6658,10 @@ module Synth {
     or
     result = convertCollectionExprToRaw(e)
     or
+    result = convertConsumeExprToRaw(e)
+    or
+    result = convertCopyExprToRaw(e)
+    or
     result = convertDeclRefExprToRaw(e)
     or
     result = convertDefaultArgumentExprToRaw(e)
@@ -6695,6 +6759,8 @@ module Synth {
   Raw::Element convertIdentityExprToRaw(TIdentityExpr e) {
     result = convertAwaitExprToRaw(e)
     or
+    result = convertBorrowExprToRaw(e)
+    or
     result = convertDotSelfExprToRaw(e)
     or
     result = convertParenExprToRaw(e)
diff --git a/swift/ql/lib/codeql/swift/generated/SynthConstructors.qll b/swift/ql/lib/codeql/swift/generated/SynthConstructors.qll
index b1b368f5eda..bb650ecb653 100644
--- a/swift/ql/lib/codeql/swift/generated/SynthConstructors.qll
+++ b/swift/ql/lib/codeql/swift/generated/SynthConstructors.qll
@@ -55,6 +55,7 @@ import codeql.swift.elements.expr.AwaitExprConstructor
 import codeql.swift.elements.expr.BinaryExprConstructor
 import codeql.swift.elements.expr.BindOptionalExprConstructor
 import codeql.swift.elements.expr.BooleanLiteralExprConstructor
+import codeql.swift.elements.expr.BorrowExprConstructor
 import codeql.swift.elements.expr.BridgeFromObjCExprConstructor
 import codeql.swift.elements.expr.BridgeToObjCExprConstructor
 import codeql.swift.elements.expr.CallExprConstructor
@@ -64,6 +65,8 @@ import codeql.swift.elements.expr.CoerceExprConstructor
 import codeql.swift.elements.expr.CollectionUpcastConversionExprConstructor
 import codeql.swift.elements.expr.ConditionalBridgeFromObjCExprConstructor
 import codeql.swift.elements.expr.ConditionalCheckedCastExprConstructor
+import codeql.swift.elements.expr.ConsumeExprConstructor
+import codeql.swift.elements.expr.CopyExprConstructor
 import codeql.swift.elements.expr.CovariantFunctionConversionExprConstructor
 import codeql.swift.elements.expr.CovariantReturnConversionExprConstructor
 import codeql.swift.elements.expr.DeclRefExprConstructor
diff --git a/swift/ql/lib/codeql/swift/generated/expr/BorrowExpr.qll b/swift/ql/lib/codeql/swift/generated/expr/BorrowExpr.qll
new file mode 100644
index 00000000000..35f6b9d20da
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/generated/expr/BorrowExpr.qll
@@ -0,0 +1,25 @@
+// generated by codegen/codegen.py
+/**
+ * This module provides the generated definition of `BorrowExpr`.
+ * INTERNAL: Do not import directly.
+ */
+
+private import codeql.swift.generated.Synth
+private import codeql.swift.generated.Raw
+import codeql.swift.elements.expr.IdentityExpr
+
+module Generated {
+  /**
+   * An expression that marks value as borrowed. In the example below, `_borrow` marks the borrow expression:
+   *
+   * ```
+   * let y = ...
+   * let x = _borrow y
+   * ```
+   * INTERNAL: Do not reference the `Generated::BorrowExpr` class directly.
+   * Use the subclass `BorrowExpr`, where the following predicates are available.
+   */
+  class BorrowExpr extends Synth::TBorrowExpr, IdentityExpr {
+    override string getAPrimaryQlClass() { result = "BorrowExpr" }
+  }
+}
diff --git a/swift/ql/lib/codeql/swift/generated/expr/ConsumeExpr.qll b/swift/ql/lib/codeql/swift/generated/expr/ConsumeExpr.qll
new file mode 100644
index 00000000000..5639cd9e395
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/generated/expr/ConsumeExpr.qll
@@ -0,0 +1,48 @@
+// generated by codegen/codegen.py
+/**
+ * This module provides the generated definition of `ConsumeExpr`.
+ * INTERNAL: Do not import directly.
+ */
+
+private import codeql.swift.generated.Synth
+private import codeql.swift.generated.Raw
+import codeql.swift.elements.expr.Expr
+
+module Generated {
+  /**
+   * An expression that forces value to be moved. In the example below, `consume` marks the move expression:
+   *
+   * ```
+   * let y = ...
+   * let x = consume y
+   * ```
+   * INTERNAL: Do not reference the `Generated::ConsumeExpr` class directly.
+   * Use the subclass `ConsumeExpr`, where the following predicates are available.
+   */
+  class ConsumeExpr extends Synth::TConsumeExpr, Expr {
+    override string getAPrimaryQlClass() { result = "ConsumeExpr" }
+
+    /**
+     * Gets the sub expression of this consume expression.
+     *
+     * This includes nodes from the "hidden" AST. It can be overridden in subclasses to change the
+     * behavior of both the `Immediate` and non-`Immediate` versions.
+     */
+    Expr getImmediateSubExpr() {
+      result =
+        Synth::convertExprFromRaw(Synth::convertConsumeExprToRaw(this)
+              .(Raw::ConsumeExpr)
+              .getSubExpr())
+    }
+
+    /**
+     * Gets the sub expression of this consume expression.
+     */
+    final Expr getSubExpr() {
+      exists(Expr immediate |
+        immediate = this.getImmediateSubExpr() and
+        if exists(this.getResolveStep()) then result = immediate else result = immediate.resolve()
+      )
+    }
+  }
+}
diff --git a/swift/ql/lib/codeql/swift/generated/expr/CopyExpr.qll b/swift/ql/lib/codeql/swift/generated/expr/CopyExpr.qll
new file mode 100644
index 00000000000..df9ea2d01e8
--- /dev/null
+++ b/swift/ql/lib/codeql/swift/generated/expr/CopyExpr.qll
@@ -0,0 +1,46 @@
+// generated by codegen/codegen.py
+/**
+ * This module provides the generated definition of `CopyExpr`.
+ * INTERNAL: Do not import directly.
+ */
+
+private import codeql.swift.generated.Synth
+private import codeql.swift.generated.Raw
+import codeql.swift.elements.expr.Expr
+
+module Generated {
+  /**
+   * An expression that forces value to be copied. In the example below, `copy` marks the copy expression:
+   *
+   * ```
+   * let y = ...
+   * let x = copy y
+   * ```
+   * INTERNAL: Do not reference the `Generated::CopyExpr` class directly.
+   * Use the subclass `CopyExpr`, where the following predicates are available.
+   */
+  class CopyExpr extends Synth::TCopyExpr, Expr {
+    override string getAPrimaryQlClass() { result = "CopyExpr" }
+
+    /**
+     * Gets the sub expression of this copy expression.
+     *
+     * This includes nodes from the "hidden" AST. It can be overridden in subclasses to change the
+     * behavior of both the `Immediate` and non-`Immediate` versions.
+     */
+    Expr getImmediateSubExpr() {
+      result =
+        Synth::convertExprFromRaw(Synth::convertCopyExprToRaw(this).(Raw::CopyExpr).getSubExpr())
+    }
+
+    /**
+     * Gets the sub expression of this copy expression.
+     */
+    final Expr getSubExpr() {
+      exists(Expr immediate |
+        immediate = this.getImmediateSubExpr() and
+        if exists(this.getResolveStep()) then result = immediate else result = immediate.resolve()
+      )
+    }
+  }
+}
diff --git a/swift/ql/lib/swift.dbscheme b/swift/ql/lib/swift.dbscheme
index 04ef9ecaa9e..556e495d498 100644
--- a/swift/ql/lib/swift.dbscheme
+++ b/swift/ql/lib/swift.dbscheme
@@ -734,6 +734,8 @@ arguments(  //dir=expr
 | @capture_list_expr
 | @closure_expr
 | @collection_expr
+| @consume_expr
+| @copy_expr
 | @decl_ref_expr
 | @default_argument_expr
 | @discard_assignment_expr
@@ -859,6 +861,16 @@ capture_list_expr_binding_decls(  //dir=expr
 | @dictionary_expr
 ;
 
+consume_exprs(  //dir=expr
+  unique int id: @consume_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+copy_exprs(  //dir=expr
+  unique int id: @copy_expr,
+  int sub_expr: @expr_or_none ref
+);
+
 decl_ref_exprs(  //dir=expr
   unique int id: @decl_ref_expr,
   int decl: @decl_or_none ref
@@ -946,6 +958,7 @@ force_value_exprs(  //dir=expr
 
 @identity_expr =
   @await_expr
+| @borrow_expr
 | @dot_self_expr
 | @paren_expr
 | @unresolved_member_chain_result_expr
@@ -1280,6 +1293,10 @@ binary_exprs(  //dir=expr
   unique int id: @binary_expr
 );
 
+borrow_exprs(  //dir=expr
+  unique int id: @borrow_expr
+);
+
 bridge_from_obj_c_exprs(  //dir=expr
   unique int id: @bridge_from_obj_c_expr
 );
diff --git a/swift/ql/lib/upgrades/04ef9ecaa9e06a587f252f147462861e3d32846a/old.dbscheme b/swift/ql/lib/upgrades/04ef9ecaa9e06a587f252f147462861e3d32846a/old.dbscheme
new file mode 100644
index 00000000000..04ef9ecaa9e
--- /dev/null
+++ b/swift/ql/lib/upgrades/04ef9ecaa9e06a587f252f147462861e3d32846a/old.dbscheme
@@ -0,0 +1,2693 @@
+// generated by codegen/codegen.py
+
+// from prefix.dbscheme
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(
+  string prefix: string ref
+);
+
+
+// from schema.py
+
+@element =
+  @callable
+| @file
+| @generic_context
+| @locatable
+| @location
+| @type
+;
+
+#keyset[id]
+element_is_unknown(
+  int id: @element ref
+);
+
+@callable =
+  @closure_expr
+| @function
+;
+
+#keyset[id]
+callable_names(
+  int id: @callable ref,
+  string name: string ref
+);
+
+#keyset[id]
+callable_self_params(
+  int id: @callable ref,
+  int self_param: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+callable_params(
+  int id: @callable ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+#keyset[id]
+callable_bodies(
+  int id: @callable ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id, index]
+callable_captures(
+  int id: @callable ref,
+  int index: int ref,
+  int capture: @captured_decl_or_none ref
+);
+
+@file =
+  @db_file
+;
+
+#keyset[id]
+files(
+  int id: @file ref,
+  string name: string ref
+);
+
+#keyset[id]
+file_is_successfully_extracted(
+  int id: @file ref
+);
+
+@locatable =
+  @argument
+| @ast_node
+| @comment
+| @diagnostics
+| @error_element
+;
+
+#keyset[id]
+locatable_locations(
+  int id: @locatable ref,
+  int location: @location_or_none ref
+);
+
+@location =
+  @db_location
+;
+
+#keyset[id]
+locations(
+  int id: @location ref,
+  int file: @file_or_none ref,
+  int start_line: int ref,
+  int start_column: int ref,
+  int end_line: int ref,
+  int end_column: int ref
+);
+
+@ast_node =
+  @availability_info
+| @availability_spec
+| @case_label_item
+| @condition_element
+| @decl
+| @expr
+| @key_path_component
+| @pattern
+| @stmt
+| @stmt_condition
+| @type_repr
+;
+
+comments(
+  unique int id: @comment,
+  string text: string ref
+);
+
+db_files(
+  unique int id: @db_file
+);
+
+db_locations(
+  unique int id: @db_location
+);
+
+diagnostics(
+  unique int id: @diagnostics,
+  string text: string ref,
+  int kind: int ref
+);
+
+@error_element =
+  @error_expr
+| @error_type
+| @overloaded_decl_ref_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_chain_result_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @unresolved_type
+| @unresolved_type_conversion_expr
+| @unspecified_element
+;
+
+availability_infos(
+  unique int id: @availability_info
+);
+
+#keyset[id]
+availability_info_is_unavailable(
+  int id: @availability_info ref
+);
+
+#keyset[id, index]
+availability_info_specs(
+  int id: @availability_info ref,
+  int index: int ref,
+  int spec: @availability_spec_or_none ref
+);
+
+@availability_spec =
+  @other_availability_spec
+| @platform_version_availability_spec
+;
+
+key_path_components(
+  unique int id: @key_path_component,
+  int kind: int ref,
+  int component_type: @type_or_none ref
+);
+
+#keyset[id, index]
+key_path_component_subscript_arguments(
+  int id: @key_path_component ref,
+  int index: int ref,
+  int subscript_argument: @argument_or_none ref
+);
+
+#keyset[id]
+key_path_component_tuple_indices(
+  int id: @key_path_component ref,
+  int tuple_index: int ref
+);
+
+#keyset[id]
+key_path_component_decl_refs(
+  int id: @key_path_component ref,
+  int decl_ref: @value_decl_or_none ref
+);
+
+unspecified_elements(
+  unique int id: @unspecified_element,
+  string property: string ref,
+  string error: string ref
+);
+
+#keyset[id]
+unspecified_element_parents(
+  int id: @unspecified_element ref,
+  int parent: @element ref
+);
+
+#keyset[id]
+unspecified_element_indices(
+  int id: @unspecified_element ref,
+  int index: int ref
+);
+
+#keyset[id, index]
+unspecified_element_children(
+  int id: @unspecified_element ref,
+  int index: int ref,
+  int child: @ast_node_or_none ref
+);
+
+other_availability_specs(
+  unique int id: @other_availability_spec
+);
+
+platform_version_availability_specs(
+  unique int id: @platform_version_availability_spec,
+  string platform: string ref,
+  string version: string ref
+);
+
+@decl =
+  @captured_decl
+| @enum_case_decl
+| @extension_decl
+| @if_config_decl
+| @import_decl
+| @missing_member_decl
+| @operator_decl
+| @pattern_binding_decl
+| @pound_diagnostic_decl
+| @precedence_group_decl
+| @top_level_code_decl
+| @value_decl
+;
+
+#keyset[id]
+decls(  //dir=decl
+  int id: @decl ref,
+  int module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+decl_members(  //dir=decl
+  int id: @decl ref,
+  int index: int ref,
+  int member: @decl_or_none ref
+);
+
+@generic_context =
+  @extension_decl
+| @function
+| @generic_type_decl
+| @subscript_decl
+;
+
+#keyset[id, index]
+generic_context_generic_type_params(  //dir=decl
+  int id: @generic_context ref,
+  int index: int ref,
+  int generic_type_param: @generic_type_param_decl_or_none ref
+);
+
+captured_decls(  //dir=decl
+  unique int id: @captured_decl,
+  int decl: @value_decl_or_none ref
+);
+
+#keyset[id]
+captured_decl_is_direct(  //dir=decl
+  int id: @captured_decl ref
+);
+
+#keyset[id]
+captured_decl_is_escaping(  //dir=decl
+  int id: @captured_decl ref
+);
+
+enum_case_decls(  //dir=decl
+  unique int id: @enum_case_decl
+);
+
+#keyset[id, index]
+enum_case_decl_elements(  //dir=decl
+  int id: @enum_case_decl ref,
+  int index: int ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+extension_decls(  //dir=decl
+  unique int id: @extension_decl,
+  int extended_type_decl: @nominal_type_decl_or_none ref
+);
+
+#keyset[id, index]
+extension_decl_protocols(  //dir=decl
+  int id: @extension_decl ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+if_config_decls(  //dir=decl
+  unique int id: @if_config_decl
+);
+
+#keyset[id, index]
+if_config_decl_active_elements(  //dir=decl
+  int id: @if_config_decl ref,
+  int index: int ref,
+  int active_element: @ast_node_or_none ref
+);
+
+import_decls(  //dir=decl
+  unique int id: @import_decl
+);
+
+#keyset[id]
+import_decl_is_exported(  //dir=decl
+  int id: @import_decl ref
+);
+
+#keyset[id]
+import_decl_imported_modules(  //dir=decl
+  int id: @import_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+import_decl_declarations(  //dir=decl
+  int id: @import_decl ref,
+  int index: int ref,
+  int declaration: @value_decl_or_none ref
+);
+
+missing_member_decls(  //dir=decl
+  unique int id: @missing_member_decl,
+  string name: string ref
+);
+
+@operator_decl =
+  @infix_operator_decl
+| @postfix_operator_decl
+| @prefix_operator_decl
+;
+
+#keyset[id]
+operator_decls(  //dir=decl
+  int id: @operator_decl ref,
+  string name: string ref
+);
+
+pattern_binding_decls(  //dir=decl
+  unique int id: @pattern_binding_decl
+);
+
+#keyset[id, index]
+pattern_binding_decl_inits(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int init: @expr_or_none ref
+);
+
+#keyset[id, index]
+pattern_binding_decl_patterns(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int pattern: @pattern_or_none ref
+);
+
+pound_diagnostic_decls(  //dir=decl
+  unique int id: @pound_diagnostic_decl,
+  int kind: int ref,
+  int message: @string_literal_expr_or_none ref
+);
+
+precedence_group_decls(  //dir=decl
+  unique int id: @precedence_group_decl
+);
+
+top_level_code_decls(  //dir=decl
+  unique int id: @top_level_code_decl,
+  int body: @brace_stmt_or_none ref
+);
+
+@value_decl =
+  @abstract_storage_decl
+| @enum_element_decl
+| @function
+| @type_decl
+;
+
+#keyset[id]
+value_decls(  //dir=decl
+  int id: @value_decl ref,
+  int interface_type: @type_or_none ref
+);
+
+@abstract_storage_decl =
+  @subscript_decl
+| @var_decl
+;
+
+#keyset[id, index]
+abstract_storage_decl_accessors(  //dir=decl
+  int id: @abstract_storage_decl ref,
+  int index: int ref,
+  int accessor: @accessor_or_none ref
+);
+
+enum_element_decls(  //dir=decl
+  unique int id: @enum_element_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+enum_element_decl_params(  //dir=decl
+  int id: @enum_element_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@function =
+  @accessor_or_named_function
+| @deinitializer
+| @initializer
+;
+
+infix_operator_decls(  //dir=decl
+  unique int id: @infix_operator_decl
+);
+
+#keyset[id]
+infix_operator_decl_precedence_groups(  //dir=decl
+  int id: @infix_operator_decl ref,
+  int precedence_group: @precedence_group_decl_or_none ref
+);
+
+postfix_operator_decls(  //dir=decl
+  unique int id: @postfix_operator_decl
+);
+
+prefix_operator_decls(  //dir=decl
+  unique int id: @prefix_operator_decl
+);
+
+@type_decl =
+  @abstract_type_param_decl
+| @generic_type_decl
+| @module_decl
+;
+
+#keyset[id]
+type_decls(  //dir=decl
+  int id: @type_decl ref,
+  string name: string ref
+);
+
+#keyset[id, index]
+type_decl_inherited_types(  //dir=decl
+  int id: @type_decl ref,
+  int index: int ref,
+  int inherited_type: @type_or_none ref
+);
+
+@abstract_type_param_decl =
+  @associated_type_decl
+| @generic_type_param_decl
+;
+
+@accessor_or_named_function =
+  @accessor
+| @named_function
+;
+
+deinitializers(  //dir=decl
+  unique int id: @deinitializer
+);
+
+@generic_type_decl =
+  @nominal_type_decl
+| @opaque_type_decl
+| @type_alias_decl
+;
+
+initializers(  //dir=decl
+  unique int id: @initializer
+);
+
+module_decls(  //dir=decl
+  unique int id: @module_decl
+);
+
+#keyset[id]
+module_decl_is_builtin_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+#keyset[id]
+module_decl_is_system_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+module_decl_imported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+module_decl_exported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int exported_module: @module_decl_or_none ref
+);
+
+subscript_decls(  //dir=decl
+  unique int id: @subscript_decl,
+  int element_type: @type_or_none ref
+);
+
+#keyset[id, index]
+subscript_decl_params(  //dir=decl
+  int id: @subscript_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@var_decl =
+  @concrete_var_decl
+| @param_decl
+;
+
+#keyset[id]
+var_decls(  //dir=decl
+  int id: @var_decl ref,
+  string name: string ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_attached_property_wrapper_types(  //dir=decl
+  int id: @var_decl ref,
+  int attached_property_wrapper_type: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_patterns(  //dir=decl
+  int id: @var_decl ref,
+  int parent_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_initializers(  //dir=decl
+  int id: @var_decl ref,
+  int parent_initializer: @expr_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var: @var_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var: @var_decl_or_none ref
+);
+
+accessors(  //dir=decl
+  unique int id: @accessor
+);
+
+#keyset[id]
+accessor_is_getter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_setter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_will_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_did_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_read(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_modify(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_address(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_mutable_address(  //dir=decl
+  int id: @accessor ref
+);
+
+associated_type_decls(  //dir=decl
+  unique int id: @associated_type_decl
+);
+
+concrete_var_decls(  //dir=decl
+  unique int id: @concrete_var_decl,
+  int introducer_int: int ref
+);
+
+generic_type_param_decls(  //dir=decl
+  unique int id: @generic_type_param_decl
+);
+
+named_functions(  //dir=decl
+  unique int id: @named_function
+);
+
+@nominal_type_decl =
+  @class_decl
+| @enum_decl
+| @protocol_decl
+| @struct_decl
+;
+
+#keyset[id]
+nominal_type_decls(  //dir=decl
+  int id: @nominal_type_decl ref,
+  int type_: @type_or_none ref
+);
+
+opaque_type_decls(  //dir=decl
+  unique int id: @opaque_type_decl,
+  int naming_declaration: @value_decl_or_none ref
+);
+
+#keyset[id, index]
+opaque_type_decl_opaque_generic_params(  //dir=decl
+  int id: @opaque_type_decl ref,
+  int index: int ref,
+  int opaque_generic_param: @generic_type_param_type_or_none ref
+);
+
+param_decls(  //dir=decl
+  unique int id: @param_decl
+);
+
+#keyset[id]
+param_decl_is_inout(  //dir=decl
+  int id: @param_decl ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_var_bindings(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_vars(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var: @var_decl_or_none ref
+);
+
+type_alias_decls(  //dir=decl
+  unique int id: @type_alias_decl,
+  int aliased_type: @type_or_none ref
+);
+
+class_decls(  //dir=decl
+  unique int id: @class_decl
+);
+
+enum_decls(  //dir=decl
+  unique int id: @enum_decl
+);
+
+protocol_decls(  //dir=decl
+  unique int id: @protocol_decl
+);
+
+struct_decls(  //dir=decl
+  unique int id: @struct_decl
+);
+
+arguments(  //dir=expr
+  unique int id: @argument,
+  string label: string ref,
+  int expr: @expr_or_none ref
+);
+
+@expr =
+  @any_try_expr
+| @applied_property_wrapper_expr
+| @apply_expr
+| @assign_expr
+| @bind_optional_expr
+| @capture_list_expr
+| @closure_expr
+| @collection_expr
+| @decl_ref_expr
+| @default_argument_expr
+| @discard_assignment_expr
+| @dot_syntax_base_ignored_expr
+| @dynamic_type_expr
+| @enum_is_case_expr
+| @error_expr
+| @explicit_cast_expr
+| @force_value_expr
+| @identity_expr
+| @if_expr
+| @implicit_conversion_expr
+| @in_out_expr
+| @key_path_application_expr
+| @key_path_dot_expr
+| @key_path_expr
+| @lazy_initialization_expr
+| @literal_expr
+| @lookup_expr
+| @make_temporarily_escapable_expr
+| @obj_c_selector_expr
+| @one_way_expr
+| @opaque_value_expr
+| @open_existential_expr
+| @optional_evaluation_expr
+| @other_initializer_ref_expr
+| @overloaded_decl_ref_expr
+| @pack_element_expr
+| @pack_expansion_expr
+| @property_wrapper_value_placeholder_expr
+| @rebind_self_in_initializer_expr
+| @sequence_expr
+| @single_value_stmt_expr
+| @super_ref_expr
+| @tap_expr
+| @tuple_element_expr
+| @tuple_expr
+| @type_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @vararg_expansion_expr
+;
+
+#keyset[id]
+expr_types(  //dir=expr
+  int id: @expr ref,
+  int type_: @type_or_none ref
+);
+
+@any_try_expr =
+  @force_try_expr
+| @optional_try_expr
+| @try_expr
+;
+
+#keyset[id]
+any_try_exprs(  //dir=expr
+  int id: @any_try_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+applied_property_wrapper_exprs(  //dir=expr
+  unique int id: @applied_property_wrapper_expr,
+  int kind: int ref,
+  int value: @expr_or_none ref,
+  int param: @param_decl_or_none ref
+);
+
+@apply_expr =
+  @binary_expr
+| @call_expr
+| @postfix_unary_expr
+| @prefix_unary_expr
+| @self_apply_expr
+;
+
+#keyset[id]
+apply_exprs(  //dir=expr
+  int id: @apply_expr ref,
+  int function: @expr_or_none ref
+);
+
+#keyset[id, index]
+apply_expr_arguments(  //dir=expr
+  int id: @apply_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+assign_exprs(  //dir=expr
+  unique int id: @assign_expr,
+  int dest: @expr_or_none ref,
+  int source: @expr_or_none ref
+);
+
+bind_optional_exprs(  //dir=expr
+  unique int id: @bind_optional_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+capture_list_exprs(  //dir=expr
+  unique int id: @capture_list_expr,
+  int closure_body: @closure_expr_or_none ref
+);
+
+#keyset[id, index]
+capture_list_expr_binding_decls(  //dir=expr
+  int id: @capture_list_expr ref,
+  int index: int ref,
+  int binding_decl: @pattern_binding_decl_or_none ref
+);
+
+@closure_expr =
+  @auto_closure_expr
+| @explicit_closure_expr
+;
+
+@collection_expr =
+  @array_expr
+| @dictionary_expr
+;
+
+decl_ref_exprs(  //dir=expr
+  unique int id: @decl_ref_expr,
+  int decl: @decl_or_none ref
+);
+
+#keyset[id, index]
+decl_ref_expr_replacement_types(  //dir=expr
+  int id: @decl_ref_expr ref,
+  int index: int ref,
+  int replacement_type: @type_or_none ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+default_argument_exprs(  //dir=expr
+  unique int id: @default_argument_expr,
+  int param_decl: @param_decl_or_none ref,
+  int param_index: int ref
+);
+
+#keyset[id]
+default_argument_expr_caller_side_defaults(  //dir=expr
+  int id: @default_argument_expr ref,
+  int caller_side_default: @expr_or_none ref
+);
+
+discard_assignment_exprs(  //dir=expr
+  unique int id: @discard_assignment_expr
+);
+
+dot_syntax_base_ignored_exprs(  //dir=expr
+  unique int id: @dot_syntax_base_ignored_expr,
+  int qualifier: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+dynamic_type_exprs(  //dir=expr
+  unique int id: @dynamic_type_expr,
+  int base: @expr_or_none ref
+);
+
+enum_is_case_exprs(  //dir=expr
+  unique int id: @enum_is_case_expr,
+  int sub_expr: @expr_or_none ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+error_exprs(  //dir=expr
+  unique int id: @error_expr
+);
+
+@explicit_cast_expr =
+  @checked_cast_expr
+| @coerce_expr
+;
+
+#keyset[id]
+explicit_cast_exprs(  //dir=expr
+  int id: @explicit_cast_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+force_value_exprs(  //dir=expr
+  unique int id: @force_value_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@identity_expr =
+  @await_expr
+| @dot_self_expr
+| @paren_expr
+| @unresolved_member_chain_result_expr
+;
+
+#keyset[id]
+identity_exprs(  //dir=expr
+  int id: @identity_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+if_exprs(  //dir=expr
+  unique int id: @if_expr,
+  int condition: @expr_or_none ref,
+  int then_expr: @expr_or_none ref,
+  int else_expr: @expr_or_none ref
+);
+
+@implicit_conversion_expr =
+  @abi_safe_conversion_expr
+| @any_hashable_erasure_expr
+| @archetype_to_super_expr
+| @array_to_pointer_expr
+| @bridge_from_obj_c_expr
+| @bridge_to_obj_c_expr
+| @class_metatype_to_object_expr
+| @collection_upcast_conversion_expr
+| @conditional_bridge_from_obj_c_expr
+| @covariant_function_conversion_expr
+| @covariant_return_conversion_expr
+| @derived_to_base_expr
+| @destructure_tuple_expr
+| @differentiable_function_expr
+| @differentiable_function_extract_original_expr
+| @erasure_expr
+| @existential_metatype_to_object_expr
+| @foreign_object_conversion_expr
+| @function_conversion_expr
+| @in_out_to_pointer_expr
+| @inject_into_optional_expr
+| @linear_function_expr
+| @linear_function_extract_original_expr
+| @linear_to_differentiable_function_expr
+| @load_expr
+| @metatype_conversion_expr
+| @pointer_to_pointer_expr
+| @protocol_metatype_to_object_expr
+| @string_to_pointer_expr
+| @underlying_to_opaque_expr
+| @unevaluated_instance_expr
+| @unresolved_type_conversion_expr
+;
+
+#keyset[id]
+implicit_conversion_exprs(  //dir=expr
+  int id: @implicit_conversion_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+in_out_exprs(  //dir=expr
+  unique int id: @in_out_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+key_path_application_exprs(  //dir=expr
+  unique int id: @key_path_application_expr,
+  int base: @expr_or_none ref,
+  int key_path: @expr_or_none ref
+);
+
+key_path_dot_exprs(  //dir=expr
+  unique int id: @key_path_dot_expr
+);
+
+key_path_exprs(  //dir=expr
+  unique int id: @key_path_expr
+);
+
+#keyset[id]
+key_path_expr_roots(  //dir=expr
+  int id: @key_path_expr ref,
+  int root: @type_repr_or_none ref
+);
+
+#keyset[id, index]
+key_path_expr_components(  //dir=expr
+  int id: @key_path_expr ref,
+  int index: int ref,
+  int component: @key_path_component_or_none ref
+);
+
+lazy_initialization_exprs(  //dir=expr
+  unique int id: @lazy_initialization_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@literal_expr =
+  @builtin_literal_expr
+| @interpolated_string_literal_expr
+| @nil_literal_expr
+| @object_literal_expr
+| @regex_literal_expr
+;
+
+@lookup_expr =
+  @dynamic_lookup_expr
+| @member_ref_expr
+| @subscript_expr
+;
+
+#keyset[id]
+lookup_exprs(  //dir=expr
+  int id: @lookup_expr ref,
+  int base: @expr_or_none ref
+);
+
+#keyset[id]
+lookup_expr_members(  //dir=expr
+  int id: @lookup_expr ref,
+  int member: @decl_or_none ref
+);
+
+make_temporarily_escapable_exprs(  //dir=expr
+  unique int id: @make_temporarily_escapable_expr,
+  int escaping_closure: @opaque_value_expr_or_none ref,
+  int nonescaping_closure: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+obj_c_selector_exprs(  //dir=expr
+  unique int id: @obj_c_selector_expr,
+  int sub_expr: @expr_or_none ref,
+  int method: @function_or_none ref
+);
+
+one_way_exprs(  //dir=expr
+  unique int id: @one_way_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+opaque_value_exprs(  //dir=expr
+  unique int id: @opaque_value_expr
+);
+
+open_existential_exprs(  //dir=expr
+  unique int id: @open_existential_expr,
+  int sub_expr: @expr_or_none ref,
+  int existential: @expr_or_none ref,
+  int opaque_expr: @opaque_value_expr_or_none ref
+);
+
+optional_evaluation_exprs(  //dir=expr
+  unique int id: @optional_evaluation_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+other_initializer_ref_exprs(  //dir=expr
+  unique int id: @other_initializer_ref_expr,
+  int initializer: @initializer_or_none ref
+);
+
+overloaded_decl_ref_exprs(  //dir=expr
+  unique int id: @overloaded_decl_ref_expr
+);
+
+#keyset[id, index]
+overloaded_decl_ref_expr_possible_declarations(  //dir=expr
+  int id: @overloaded_decl_ref_expr ref,
+  int index: int ref,
+  int possible_declaration: @value_decl_or_none ref
+);
+
+pack_element_exprs(  //dir=expr
+  unique int id: @pack_element_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+pack_expansion_exprs(  //dir=expr
+  unique int id: @pack_expansion_expr,
+  int pattern_expr: @expr_or_none ref
+);
+
+property_wrapper_value_placeholder_exprs(  //dir=expr
+  unique int id: @property_wrapper_value_placeholder_expr,
+  int placeholder: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+property_wrapper_value_placeholder_expr_wrapped_values(  //dir=expr
+  int id: @property_wrapper_value_placeholder_expr ref,
+  int wrapped_value: @expr_or_none ref
+);
+
+rebind_self_in_initializer_exprs(  //dir=expr
+  unique int id: @rebind_self_in_initializer_expr,
+  int sub_expr: @expr_or_none ref,
+  int self: @var_decl_or_none ref
+);
+
+sequence_exprs(  //dir=expr
+  unique int id: @sequence_expr
+);
+
+#keyset[id, index]
+sequence_expr_elements(  //dir=expr
+  int id: @sequence_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+single_value_stmt_exprs(  //dir=expr
+  unique int id: @single_value_stmt_expr,
+  int stmt: @stmt_or_none ref
+);
+
+super_ref_exprs(  //dir=expr
+  unique int id: @super_ref_expr,
+  int self: @var_decl_or_none ref
+);
+
+tap_exprs(  //dir=expr
+  unique int id: @tap_expr,
+  int body: @brace_stmt_or_none ref,
+  int var: @var_decl_or_none ref
+);
+
+#keyset[id]
+tap_expr_sub_exprs(  //dir=expr
+  int id: @tap_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+tuple_element_exprs(  //dir=expr
+  unique int id: @tuple_element_expr,
+  int sub_expr: @expr_or_none ref,
+  int index: int ref
+);
+
+tuple_exprs(  //dir=expr
+  unique int id: @tuple_expr
+);
+
+#keyset[id, index]
+tuple_expr_elements(  //dir=expr
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+type_exprs(  //dir=expr
+  unique int id: @type_expr
+);
+
+#keyset[id]
+type_expr_type_reprs(  //dir=expr
+  int id: @type_expr ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+unresolved_decl_ref_exprs(  //dir=expr
+  unique int id: @unresolved_decl_ref_expr
+);
+
+#keyset[id]
+unresolved_decl_ref_expr_names(  //dir=expr
+  int id: @unresolved_decl_ref_expr ref,
+  string name: string ref
+);
+
+unresolved_dot_exprs(  //dir=expr
+  unique int id: @unresolved_dot_expr,
+  int base: @expr_or_none ref,
+  string name: string ref
+);
+
+unresolved_member_exprs(  //dir=expr
+  unique int id: @unresolved_member_expr,
+  string name: string ref
+);
+
+unresolved_pattern_exprs(  //dir=expr
+  unique int id: @unresolved_pattern_expr,
+  int sub_pattern: @pattern_or_none ref
+);
+
+unresolved_specialize_exprs(  //dir=expr
+  unique int id: @unresolved_specialize_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+vararg_expansion_exprs(  //dir=expr
+  unique int id: @vararg_expansion_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+abi_safe_conversion_exprs(  //dir=expr
+  unique int id: @abi_safe_conversion_expr
+);
+
+any_hashable_erasure_exprs(  //dir=expr
+  unique int id: @any_hashable_erasure_expr
+);
+
+archetype_to_super_exprs(  //dir=expr
+  unique int id: @archetype_to_super_expr
+);
+
+array_exprs(  //dir=expr
+  unique int id: @array_expr
+);
+
+#keyset[id, index]
+array_expr_elements(  //dir=expr
+  int id: @array_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+array_to_pointer_exprs(  //dir=expr
+  unique int id: @array_to_pointer_expr
+);
+
+auto_closure_exprs(  //dir=expr
+  unique int id: @auto_closure_expr
+);
+
+await_exprs(  //dir=expr
+  unique int id: @await_expr
+);
+
+binary_exprs(  //dir=expr
+  unique int id: @binary_expr
+);
+
+bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_from_obj_c_expr
+);
+
+bridge_to_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_to_obj_c_expr
+);
+
+@builtin_literal_expr =
+  @boolean_literal_expr
+| @magic_identifier_literal_expr
+| @number_literal_expr
+| @string_literal_expr
+;
+
+call_exprs(  //dir=expr
+  unique int id: @call_expr
+);
+
+@checked_cast_expr =
+  @conditional_checked_cast_expr
+| @forced_checked_cast_expr
+| @is_expr
+;
+
+class_metatype_to_object_exprs(  //dir=expr
+  unique int id: @class_metatype_to_object_expr
+);
+
+coerce_exprs(  //dir=expr
+  unique int id: @coerce_expr
+);
+
+collection_upcast_conversion_exprs(  //dir=expr
+  unique int id: @collection_upcast_conversion_expr
+);
+
+conditional_bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @conditional_bridge_from_obj_c_expr
+);
+
+covariant_function_conversion_exprs(  //dir=expr
+  unique int id: @covariant_function_conversion_expr
+);
+
+covariant_return_conversion_exprs(  //dir=expr
+  unique int id: @covariant_return_conversion_expr
+);
+
+derived_to_base_exprs(  //dir=expr
+  unique int id: @derived_to_base_expr
+);
+
+destructure_tuple_exprs(  //dir=expr
+  unique int id: @destructure_tuple_expr
+);
+
+dictionary_exprs(  //dir=expr
+  unique int id: @dictionary_expr
+);
+
+#keyset[id, index]
+dictionary_expr_elements(  //dir=expr
+  int id: @dictionary_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+differentiable_function_exprs(  //dir=expr
+  unique int id: @differentiable_function_expr
+);
+
+differentiable_function_extract_original_exprs(  //dir=expr
+  unique int id: @differentiable_function_extract_original_expr
+);
+
+dot_self_exprs(  //dir=expr
+  unique int id: @dot_self_expr
+);
+
+@dynamic_lookup_expr =
+  @dynamic_member_ref_expr
+| @dynamic_subscript_expr
+;
+
+erasure_exprs(  //dir=expr
+  unique int id: @erasure_expr
+);
+
+existential_metatype_to_object_exprs(  //dir=expr
+  unique int id: @existential_metatype_to_object_expr
+);
+
+explicit_closure_exprs(  //dir=expr
+  unique int id: @explicit_closure_expr
+);
+
+force_try_exprs(  //dir=expr
+  unique int id: @force_try_expr
+);
+
+foreign_object_conversion_exprs(  //dir=expr
+  unique int id: @foreign_object_conversion_expr
+);
+
+function_conversion_exprs(  //dir=expr
+  unique int id: @function_conversion_expr
+);
+
+in_out_to_pointer_exprs(  //dir=expr
+  unique int id: @in_out_to_pointer_expr
+);
+
+inject_into_optional_exprs(  //dir=expr
+  unique int id: @inject_into_optional_expr
+);
+
+interpolated_string_literal_exprs(  //dir=expr
+  unique int id: @interpolated_string_literal_expr
+);
+
+#keyset[id]
+interpolated_string_literal_expr_interpolation_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int interpolation_expr: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+interpolated_string_literal_expr_appending_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int appending_expr: @tap_expr_or_none ref
+);
+
+linear_function_exprs(  //dir=expr
+  unique int id: @linear_function_expr
+);
+
+linear_function_extract_original_exprs(  //dir=expr
+  unique int id: @linear_function_extract_original_expr
+);
+
+linear_to_differentiable_function_exprs(  //dir=expr
+  unique int id: @linear_to_differentiable_function_expr
+);
+
+load_exprs(  //dir=expr
+  unique int id: @load_expr
+);
+
+member_ref_exprs(  //dir=expr
+  unique int id: @member_ref_expr
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+metatype_conversion_exprs(  //dir=expr
+  unique int id: @metatype_conversion_expr
+);
+
+nil_literal_exprs(  //dir=expr
+  unique int id: @nil_literal_expr
+);
+
+object_literal_exprs(  //dir=expr
+  unique int id: @object_literal_expr,
+  int kind: int ref
+);
+
+#keyset[id, index]
+object_literal_expr_arguments(  //dir=expr
+  int id: @object_literal_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+optional_try_exprs(  //dir=expr
+  unique int id: @optional_try_expr
+);
+
+paren_exprs(  //dir=expr
+  unique int id: @paren_expr
+);
+
+pointer_to_pointer_exprs(  //dir=expr
+  unique int id: @pointer_to_pointer_expr
+);
+
+postfix_unary_exprs(  //dir=expr
+  unique int id: @postfix_unary_expr
+);
+
+prefix_unary_exprs(  //dir=expr
+  unique int id: @prefix_unary_expr
+);
+
+protocol_metatype_to_object_exprs(  //dir=expr
+  unique int id: @protocol_metatype_to_object_expr
+);
+
+regex_literal_exprs(  //dir=expr
+  unique int id: @regex_literal_expr,
+  string pattern: string ref,
+  int version: int ref
+);
+
+@self_apply_expr =
+  @dot_syntax_call_expr
+| @initializer_ref_call_expr
+;
+
+#keyset[id]
+self_apply_exprs(  //dir=expr
+  int id: @self_apply_expr ref,
+  int base: @expr_or_none ref
+);
+
+string_to_pointer_exprs(  //dir=expr
+  unique int id: @string_to_pointer_expr
+);
+
+subscript_exprs(  //dir=expr
+  unique int id: @subscript_expr
+);
+
+#keyset[id, index]
+subscript_expr_arguments(  //dir=expr
+  int id: @subscript_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_ordinary_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+try_exprs(  //dir=expr
+  unique int id: @try_expr
+);
+
+underlying_to_opaque_exprs(  //dir=expr
+  unique int id: @underlying_to_opaque_expr
+);
+
+unevaluated_instance_exprs(  //dir=expr
+  unique int id: @unevaluated_instance_expr
+);
+
+unresolved_member_chain_result_exprs(  //dir=expr
+  unique int id: @unresolved_member_chain_result_expr
+);
+
+unresolved_type_conversion_exprs(  //dir=expr
+  unique int id: @unresolved_type_conversion_expr
+);
+
+boolean_literal_exprs(  //dir=expr
+  unique int id: @boolean_literal_expr,
+  boolean value: boolean ref
+);
+
+conditional_checked_cast_exprs(  //dir=expr
+  unique int id: @conditional_checked_cast_expr
+);
+
+dot_syntax_call_exprs(  //dir=expr
+  unique int id: @dot_syntax_call_expr
+);
+
+dynamic_member_ref_exprs(  //dir=expr
+  unique int id: @dynamic_member_ref_expr
+);
+
+dynamic_subscript_exprs(  //dir=expr
+  unique int id: @dynamic_subscript_expr
+);
+
+forced_checked_cast_exprs(  //dir=expr
+  unique int id: @forced_checked_cast_expr
+);
+
+initializer_ref_call_exprs(  //dir=expr
+  unique int id: @initializer_ref_call_expr
+);
+
+is_exprs(  //dir=expr
+  unique int id: @is_expr
+);
+
+magic_identifier_literal_exprs(  //dir=expr
+  unique int id: @magic_identifier_literal_expr,
+  string kind: string ref
+);
+
+@number_literal_expr =
+  @float_literal_expr
+| @integer_literal_expr
+;
+
+string_literal_exprs(  //dir=expr
+  unique int id: @string_literal_expr,
+  string value: string ref
+);
+
+float_literal_exprs(  //dir=expr
+  unique int id: @float_literal_expr,
+  string string_value: string ref
+);
+
+integer_literal_exprs(  //dir=expr
+  unique int id: @integer_literal_expr,
+  string string_value: string ref
+);
+
+@pattern =
+  @any_pattern
+| @binding_pattern
+| @bool_pattern
+| @enum_element_pattern
+| @expr_pattern
+| @is_pattern
+| @named_pattern
+| @optional_some_pattern
+| @paren_pattern
+| @tuple_pattern
+| @typed_pattern
+;
+
+any_patterns(  //dir=pattern
+  unique int id: @any_pattern
+);
+
+binding_patterns(  //dir=pattern
+  unique int id: @binding_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+bool_patterns(  //dir=pattern
+  unique int id: @bool_pattern,
+  boolean value: boolean ref
+);
+
+enum_element_patterns(  //dir=pattern
+  unique int id: @enum_element_pattern,
+  int element: @enum_element_decl_or_none ref
+);
+
+#keyset[id]
+enum_element_pattern_sub_patterns(  //dir=pattern
+  int id: @enum_element_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+expr_patterns(  //dir=pattern
+  unique int id: @expr_pattern,
+  int sub_expr: @expr_or_none ref
+);
+
+is_patterns(  //dir=pattern
+  unique int id: @is_pattern
+);
+
+#keyset[id]
+is_pattern_cast_type_reprs(  //dir=pattern
+  int id: @is_pattern ref,
+  int cast_type_repr: @type_repr_or_none ref
+);
+
+#keyset[id]
+is_pattern_sub_patterns(  //dir=pattern
+  int id: @is_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+named_patterns(  //dir=pattern
+  unique int id: @named_pattern,
+  int var_decl: @var_decl_or_none ref
+);
+
+optional_some_patterns(  //dir=pattern
+  unique int id: @optional_some_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+paren_patterns(  //dir=pattern
+  unique int id: @paren_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+tuple_patterns(  //dir=pattern
+  unique int id: @tuple_pattern
+);
+
+#keyset[id, index]
+tuple_pattern_elements(  //dir=pattern
+  int id: @tuple_pattern ref,
+  int index: int ref,
+  int element: @pattern_or_none ref
+);
+
+typed_patterns(  //dir=pattern
+  unique int id: @typed_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+typed_pattern_type_reprs(  //dir=pattern
+  int id: @typed_pattern ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+case_label_items(  //dir=stmt
+  unique int id: @case_label_item,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+case_label_item_guards(  //dir=stmt
+  int id: @case_label_item ref,
+  int guard: @expr_or_none ref
+);
+
+condition_elements(  //dir=stmt
+  unique int id: @condition_element
+);
+
+#keyset[id]
+condition_element_booleans(  //dir=stmt
+  int id: @condition_element ref,
+  int boolean_: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_patterns(  //dir=stmt
+  int id: @condition_element ref,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+condition_element_initializers(  //dir=stmt
+  int id: @condition_element ref,
+  int initializer: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_availabilities(  //dir=stmt
+  int id: @condition_element ref,
+  int availability: @availability_info_or_none ref
+);
+
+@stmt =
+  @brace_stmt
+| @break_stmt
+| @case_stmt
+| @continue_stmt
+| @defer_stmt
+| @fail_stmt
+| @fallthrough_stmt
+| @labeled_stmt
+| @pound_assert_stmt
+| @return_stmt
+| @throw_stmt
+| @yield_stmt
+;
+
+stmt_conditions(  //dir=stmt
+  unique int id: @stmt_condition
+);
+
+#keyset[id, index]
+stmt_condition_elements(  //dir=stmt
+  int id: @stmt_condition ref,
+  int index: int ref,
+  int element: @condition_element_or_none ref
+);
+
+brace_stmts(  //dir=stmt
+  unique int id: @brace_stmt
+);
+
+#keyset[id, index]
+brace_stmt_elements(  //dir=stmt
+  int id: @brace_stmt ref,
+  int index: int ref,
+  int element: @ast_node_or_none ref
+);
+
+break_stmts(  //dir=stmt
+  unique int id: @break_stmt
+);
+
+#keyset[id]
+break_stmt_target_names(  //dir=stmt
+  int id: @break_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+break_stmt_targets(  //dir=stmt
+  int id: @break_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+case_stmts(  //dir=stmt
+  unique int id: @case_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_labels(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int label: @case_label_item_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_variables(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_or_none ref
+);
+
+continue_stmts(  //dir=stmt
+  unique int id: @continue_stmt
+);
+
+#keyset[id]
+continue_stmt_target_names(  //dir=stmt
+  int id: @continue_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+continue_stmt_targets(  //dir=stmt
+  int id: @continue_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+defer_stmts(  //dir=stmt
+  unique int id: @defer_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+fail_stmts(  //dir=stmt
+  unique int id: @fail_stmt
+);
+
+fallthrough_stmts(  //dir=stmt
+  unique int id: @fallthrough_stmt,
+  int fallthrough_source: @case_stmt_or_none ref,
+  int fallthrough_dest: @case_stmt_or_none ref
+);
+
+@labeled_stmt =
+  @do_catch_stmt
+| @do_stmt
+| @for_each_stmt
+| @labeled_conditional_stmt
+| @repeat_while_stmt
+| @switch_stmt
+;
+
+#keyset[id]
+labeled_stmt_labels(  //dir=stmt
+  int id: @labeled_stmt ref,
+  string label: string ref
+);
+
+pound_assert_stmts(  //dir=stmt
+  unique int id: @pound_assert_stmt,
+  int condition: @expr_or_none ref,
+  string message: string ref
+);
+
+return_stmts(  //dir=stmt
+  unique int id: @return_stmt
+);
+
+#keyset[id]
+return_stmt_results(  //dir=stmt
+  int id: @return_stmt ref,
+  int result: @expr_or_none ref
+);
+
+throw_stmts(  //dir=stmt
+  unique int id: @throw_stmt,
+  int sub_expr: @expr_or_none ref
+);
+
+yield_stmts(  //dir=stmt
+  unique int id: @yield_stmt
+);
+
+#keyset[id, index]
+yield_stmt_results(  //dir=stmt
+  int id: @yield_stmt ref,
+  int index: int ref,
+  int result: @expr_or_none ref
+);
+
+do_catch_stmts(  //dir=stmt
+  unique int id: @do_catch_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+do_catch_stmt_catches(  //dir=stmt
+  int id: @do_catch_stmt ref,
+  int index: int ref,
+  int catch: @case_stmt_or_none ref
+);
+
+do_stmts(  //dir=stmt
+  unique int id: @do_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+for_each_stmts(  //dir=stmt
+  unique int id: @for_each_stmt,
+  int pattern: @pattern_or_none ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_wheres(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int where: @expr_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_iterator_vars(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int iteratorVar: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_next_calls(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int nextCall: @expr_or_none ref
+);
+
+@labeled_conditional_stmt =
+  @guard_stmt
+| @if_stmt
+| @while_stmt
+;
+
+#keyset[id]
+labeled_conditional_stmts(  //dir=stmt
+  int id: @labeled_conditional_stmt ref,
+  int condition: @stmt_condition_or_none ref
+);
+
+repeat_while_stmts(  //dir=stmt
+  unique int id: @repeat_while_stmt,
+  int condition: @expr_or_none ref,
+  int body: @stmt_or_none ref
+);
+
+switch_stmts(  //dir=stmt
+  unique int id: @switch_stmt,
+  int expr: @expr_or_none ref
+);
+
+#keyset[id, index]
+switch_stmt_cases(  //dir=stmt
+  int id: @switch_stmt ref,
+  int index: int ref,
+  int case_: @case_stmt_or_none ref
+);
+
+guard_stmts(  //dir=stmt
+  unique int id: @guard_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+if_stmts(  //dir=stmt
+  unique int id: @if_stmt,
+  int then: @stmt_or_none ref
+);
+
+#keyset[id]
+if_stmt_elses(  //dir=stmt
+  int id: @if_stmt ref,
+  int else: @stmt_or_none ref
+);
+
+while_stmts(  //dir=stmt
+  unique int id: @while_stmt,
+  int body: @stmt_or_none ref
+);
+
+@type =
+  @any_function_type
+| @any_generic_type
+| @any_metatype_type
+| @builtin_type
+| @dependent_member_type
+| @dynamic_self_type
+| @error_type
+| @existential_type
+| @in_out_type
+| @l_value_type
+| @module_type
+| @pack_element_type
+| @pack_expansion_type
+| @pack_type
+| @parameterized_protocol_type
+| @protocol_composition_type
+| @reference_storage_type
+| @substitutable_type
+| @sugar_type
+| @tuple_type
+| @unresolved_type
+;
+
+#keyset[id]
+types(  //dir=type
+  int id: @type ref,
+  string name: string ref,
+  int canonical_type: @type_or_none ref
+);
+
+type_reprs(  //dir=type
+  unique int id: @type_repr,
+  int type_: @type_or_none ref
+);
+
+@any_function_type =
+  @function_type
+| @generic_function_type
+;
+
+#keyset[id]
+any_function_types(  //dir=type
+  int id: @any_function_type ref,
+  int result: @type_or_none ref
+);
+
+#keyset[id, index]
+any_function_type_param_types(  //dir=type
+  int id: @any_function_type ref,
+  int index: int ref,
+  int param_type: @type_or_none ref
+);
+
+#keyset[id]
+any_function_type_is_throwing(  //dir=type
+  int id: @any_function_type ref
+);
+
+#keyset[id]
+any_function_type_is_async(  //dir=type
+  int id: @any_function_type ref
+);
+
+@any_generic_type =
+  @nominal_or_bound_generic_nominal_type
+| @unbound_generic_type
+;
+
+#keyset[id]
+any_generic_types(  //dir=type
+  int id: @any_generic_type ref,
+  int declaration: @generic_type_decl_or_none ref
+);
+
+#keyset[id]
+any_generic_type_parents(  //dir=type
+  int id: @any_generic_type ref,
+  int parent: @type_or_none ref
+);
+
+@any_metatype_type =
+  @existential_metatype_type
+| @metatype_type
+;
+
+@builtin_type =
+  @any_builtin_integer_type
+| @builtin_bridge_object_type
+| @builtin_default_actor_storage_type
+| @builtin_executor_type
+| @builtin_float_type
+| @builtin_job_type
+| @builtin_native_object_type
+| @builtin_raw_pointer_type
+| @builtin_raw_unsafe_continuation_type
+| @builtin_unsafe_value_buffer_type
+| @builtin_vector_type
+;
+
+dependent_member_types(  //dir=type
+  unique int id: @dependent_member_type,
+  int base_type: @type_or_none ref,
+  int associated_type_decl: @associated_type_decl_or_none ref
+);
+
+dynamic_self_types(  //dir=type
+  unique int id: @dynamic_self_type,
+  int static_self_type: @type_or_none ref
+);
+
+error_types(  //dir=type
+  unique int id: @error_type
+);
+
+existential_types(  //dir=type
+  unique int id: @existential_type,
+  int constraint: @type_or_none ref
+);
+
+in_out_types(  //dir=type
+  unique int id: @in_out_type,
+  int object_type: @type_or_none ref
+);
+
+l_value_types(  //dir=type
+  unique int id: @l_value_type,
+  int object_type: @type_or_none ref
+);
+
+module_types(  //dir=type
+  unique int id: @module_type,
+  int module: @module_decl_or_none ref
+);
+
+pack_element_types(  //dir=type
+  unique int id: @pack_element_type,
+  int pack_type: @type_or_none ref
+);
+
+pack_expansion_types(  //dir=type
+  unique int id: @pack_expansion_type,
+  int pattern_type: @type_or_none ref,
+  int count_type: @type_or_none ref
+);
+
+pack_types(  //dir=type
+  unique int id: @pack_type
+);
+
+#keyset[id, index]
+pack_type_elements(  //dir=type
+  int id: @pack_type ref,
+  int index: int ref,
+  int element: @type_or_none ref
+);
+
+parameterized_protocol_types(  //dir=type
+  unique int id: @parameterized_protocol_type,
+  int base: @protocol_type_or_none ref
+);
+
+#keyset[id, index]
+parameterized_protocol_type_args(  //dir=type
+  int id: @parameterized_protocol_type ref,
+  int index: int ref,
+  int arg: @type_or_none ref
+);
+
+protocol_composition_types(  //dir=type
+  unique int id: @protocol_composition_type
+);
+
+#keyset[id, index]
+protocol_composition_type_members(  //dir=type
+  int id: @protocol_composition_type ref,
+  int index: int ref,
+  int member: @type_or_none ref
+);
+
+@reference_storage_type =
+  @unmanaged_storage_type
+| @unowned_storage_type
+| @weak_storage_type
+;
+
+#keyset[id]
+reference_storage_types(  //dir=type
+  int id: @reference_storage_type ref,
+  int referent_type: @type_or_none ref
+);
+
+@substitutable_type =
+  @archetype_type
+| @generic_type_param_type
+;
+
+@sugar_type =
+  @paren_type
+| @syntax_sugar_type
+| @type_alias_type
+;
+
+tuple_types(  //dir=type
+  unique int id: @tuple_type
+);
+
+#keyset[id, index]
+tuple_type_types(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id, index]
+tuple_type_names(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unresolved_types(  //dir=type
+  unique int id: @unresolved_type
+);
+
+@any_builtin_integer_type =
+  @builtin_integer_literal_type
+| @builtin_integer_type
+;
+
+@archetype_type =
+  @local_archetype_type
+| @opaque_type_archetype_type
+| @pack_archetype_type
+| @primary_archetype_type
+;
+
+#keyset[id]
+archetype_types(  //dir=type
+  int id: @archetype_type ref,
+  int interface_type: @type_or_none ref
+);
+
+#keyset[id]
+archetype_type_superclasses(  //dir=type
+  int id: @archetype_type ref,
+  int superclass: @type_or_none ref
+);
+
+#keyset[id, index]
+archetype_type_protocols(  //dir=type
+  int id: @archetype_type ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+builtin_bridge_object_types(  //dir=type
+  unique int id: @builtin_bridge_object_type
+);
+
+builtin_default_actor_storage_types(  //dir=type
+  unique int id: @builtin_default_actor_storage_type
+);
+
+builtin_executor_types(  //dir=type
+  unique int id: @builtin_executor_type
+);
+
+builtin_float_types(  //dir=type
+  unique int id: @builtin_float_type
+);
+
+builtin_job_types(  //dir=type
+  unique int id: @builtin_job_type
+);
+
+builtin_native_object_types(  //dir=type
+  unique int id: @builtin_native_object_type
+);
+
+builtin_raw_pointer_types(  //dir=type
+  unique int id: @builtin_raw_pointer_type
+);
+
+builtin_raw_unsafe_continuation_types(  //dir=type
+  unique int id: @builtin_raw_unsafe_continuation_type
+);
+
+builtin_unsafe_value_buffer_types(  //dir=type
+  unique int id: @builtin_unsafe_value_buffer_type
+);
+
+builtin_vector_types(  //dir=type
+  unique int id: @builtin_vector_type
+);
+
+existential_metatype_types(  //dir=type
+  unique int id: @existential_metatype_type
+);
+
+function_types(  //dir=type
+  unique int id: @function_type
+);
+
+generic_function_types(  //dir=type
+  unique int id: @generic_function_type
+);
+
+#keyset[id, index]
+generic_function_type_generic_params(  //dir=type
+  int id: @generic_function_type ref,
+  int index: int ref,
+  int generic_param: @generic_type_param_type_or_none ref
+);
+
+generic_type_param_types(  //dir=type
+  unique int id: @generic_type_param_type
+);
+
+metatype_types(  //dir=type
+  unique int id: @metatype_type
+);
+
+@nominal_or_bound_generic_nominal_type =
+  @bound_generic_type
+| @nominal_type
+;
+
+paren_types(  //dir=type
+  unique int id: @paren_type,
+  int type_: @type_or_none ref
+);
+
+@syntax_sugar_type =
+  @dictionary_type
+| @unary_syntax_sugar_type
+;
+
+type_alias_types(  //dir=type
+  unique int id: @type_alias_type,
+  int decl: @type_alias_decl_or_none ref
+);
+
+unbound_generic_types(  //dir=type
+  unique int id: @unbound_generic_type
+);
+
+unmanaged_storage_types(  //dir=type
+  unique int id: @unmanaged_storage_type
+);
+
+unowned_storage_types(  //dir=type
+  unique int id: @unowned_storage_type
+);
+
+weak_storage_types(  //dir=type
+  unique int id: @weak_storage_type
+);
+
+@bound_generic_type =
+  @bound_generic_class_type
+| @bound_generic_enum_type
+| @bound_generic_struct_type
+;
+
+#keyset[id, index]
+bound_generic_type_arg_types(  //dir=type
+  int id: @bound_generic_type ref,
+  int index: int ref,
+  int arg_type: @type_or_none ref
+);
+
+builtin_integer_literal_types(  //dir=type
+  unique int id: @builtin_integer_literal_type
+);
+
+builtin_integer_types(  //dir=type
+  unique int id: @builtin_integer_type
+);
+
+#keyset[id]
+builtin_integer_type_widths(  //dir=type
+  int id: @builtin_integer_type ref,
+  int width: int ref
+);
+
+dictionary_types(  //dir=type
+  unique int id: @dictionary_type,
+  int key_type: @type_or_none ref,
+  int value_type: @type_or_none ref
+);
+
+@local_archetype_type =
+  @element_archetype_type
+| @opened_archetype_type
+;
+
+@nominal_type =
+  @class_type
+| @enum_type
+| @protocol_type
+| @struct_type
+;
+
+opaque_type_archetype_types(  //dir=type
+  unique int id: @opaque_type_archetype_type,
+  int declaration: @opaque_type_decl_or_none ref
+);
+
+pack_archetype_types(  //dir=type
+  unique int id: @pack_archetype_type
+);
+
+primary_archetype_types(  //dir=type
+  unique int id: @primary_archetype_type
+);
+
+@unary_syntax_sugar_type =
+  @array_slice_type
+| @optional_type
+| @variadic_sequence_type
+;
+
+#keyset[id]
+unary_syntax_sugar_types(  //dir=type
+  int id: @unary_syntax_sugar_type ref,
+  int base_type: @type_or_none ref
+);
+
+array_slice_types(  //dir=type
+  unique int id: @array_slice_type
+);
+
+bound_generic_class_types(  //dir=type
+  unique int id: @bound_generic_class_type
+);
+
+bound_generic_enum_types(  //dir=type
+  unique int id: @bound_generic_enum_type
+);
+
+bound_generic_struct_types(  //dir=type
+  unique int id: @bound_generic_struct_type
+);
+
+class_types(  //dir=type
+  unique int id: @class_type
+);
+
+element_archetype_types(  //dir=type
+  unique int id: @element_archetype_type
+);
+
+enum_types(  //dir=type
+  unique int id: @enum_type
+);
+
+opened_archetype_types(  //dir=type
+  unique int id: @opened_archetype_type
+);
+
+optional_types(  //dir=type
+  unique int id: @optional_type
+);
+
+protocol_types(  //dir=type
+  unique int id: @protocol_type
+);
+
+struct_types(  //dir=type
+  unique int id: @struct_type
+);
+
+variadic_sequence_types(  //dir=type
+  unique int id: @variadic_sequence_type
+);
+
+@accessor_or_none =
+  @accessor
+| @unspecified_element
+;
+
+@argument_or_none =
+  @argument
+| @unspecified_element
+;
+
+@associated_type_decl_or_none =
+  @associated_type_decl
+| @unspecified_element
+;
+
+@ast_node_or_none =
+  @ast_node
+| @unspecified_element
+;
+
+@availability_info_or_none =
+  @availability_info
+| @unspecified_element
+;
+
+@availability_spec_or_none =
+  @availability_spec
+| @unspecified_element
+;
+
+@brace_stmt_or_none =
+  @brace_stmt
+| @unspecified_element
+;
+
+@captured_decl_or_none =
+  @captured_decl
+| @unspecified_element
+;
+
+@case_label_item_or_none =
+  @case_label_item
+| @unspecified_element
+;
+
+@case_stmt_or_none =
+  @case_stmt
+| @unspecified_element
+;
+
+@closure_expr_or_none =
+  @closure_expr
+| @unspecified_element
+;
+
+@condition_element_or_none =
+  @condition_element
+| @unspecified_element
+;
+
+@decl_or_none =
+  @decl
+| @unspecified_element
+;
+
+@enum_element_decl_or_none =
+  @enum_element_decl
+| @unspecified_element
+;
+
+@expr_or_none =
+  @expr
+| @unspecified_element
+;
+
+@file_or_none =
+  @file
+| @unspecified_element
+;
+
+@function_or_none =
+  @function
+| @unspecified_element
+;
+
+@generic_type_decl_or_none =
+  @generic_type_decl
+| @unspecified_element
+;
+
+@generic_type_param_decl_or_none =
+  @generic_type_param_decl
+| @unspecified_element
+;
+
+@generic_type_param_type_or_none =
+  @generic_type_param_type
+| @unspecified_element
+;
+
+@initializer_or_none =
+  @initializer
+| @unspecified_element
+;
+
+@key_path_component_or_none =
+  @key_path_component
+| @unspecified_element
+;
+
+@location_or_none =
+  @location
+| @unspecified_element
+;
+
+@module_decl_or_none =
+  @module_decl
+| @unspecified_element
+;
+
+@nominal_type_decl_or_none =
+  @nominal_type_decl
+| @unspecified_element
+;
+
+@opaque_type_decl_or_none =
+  @opaque_type_decl
+| @unspecified_element
+;
+
+@opaque_value_expr_or_none =
+  @opaque_value_expr
+| @unspecified_element
+;
+
+@param_decl_or_none =
+  @param_decl
+| @unspecified_element
+;
+
+@pattern_or_none =
+  @pattern
+| @unspecified_element
+;
+
+@pattern_binding_decl_or_none =
+  @pattern_binding_decl
+| @unspecified_element
+;
+
+@precedence_group_decl_or_none =
+  @precedence_group_decl
+| @unspecified_element
+;
+
+@protocol_decl_or_none =
+  @protocol_decl
+| @unspecified_element
+;
+
+@protocol_type_or_none =
+  @protocol_type
+| @unspecified_element
+;
+
+@stmt_or_none =
+  @stmt
+| @unspecified_element
+;
+
+@stmt_condition_or_none =
+  @stmt_condition
+| @unspecified_element
+;
+
+@string_literal_expr_or_none =
+  @string_literal_expr
+| @unspecified_element
+;
+
+@tap_expr_or_none =
+  @tap_expr
+| @unspecified_element
+;
+
+@type_or_none =
+  @type
+| @unspecified_element
+;
+
+@type_alias_decl_or_none =
+  @type_alias_decl
+| @unspecified_element
+;
+
+@type_repr_or_none =
+  @type_repr
+| @unspecified_element
+;
+
+@value_decl_or_none =
+  @unspecified_element
+| @value_decl
+;
+
+@var_decl_or_none =
+  @unspecified_element
+| @var_decl
+;
diff --git a/swift/ql/lib/upgrades/04ef9ecaa9e06a587f252f147462861e3d32846a/swift.dbscheme b/swift/ql/lib/upgrades/04ef9ecaa9e06a587f252f147462861e3d32846a/swift.dbscheme
new file mode 100644
index 00000000000..556e495d498
--- /dev/null
+++ b/swift/ql/lib/upgrades/04ef9ecaa9e06a587f252f147462861e3d32846a/swift.dbscheme
@@ -0,0 +1,2710 @@
+// generated by codegen/codegen.py
+
+// from prefix.dbscheme
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(
+  string prefix: string ref
+);
+
+
+// from schema.py
+
+@element =
+  @callable
+| @file
+| @generic_context
+| @locatable
+| @location
+| @type
+;
+
+#keyset[id]
+element_is_unknown(
+  int id: @element ref
+);
+
+@callable =
+  @closure_expr
+| @function
+;
+
+#keyset[id]
+callable_names(
+  int id: @callable ref,
+  string name: string ref
+);
+
+#keyset[id]
+callable_self_params(
+  int id: @callable ref,
+  int self_param: @param_decl_or_none ref
+);
+
+#keyset[id, index]
+callable_params(
+  int id: @callable ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+#keyset[id]
+callable_bodies(
+  int id: @callable ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id, index]
+callable_captures(
+  int id: @callable ref,
+  int index: int ref,
+  int capture: @captured_decl_or_none ref
+);
+
+@file =
+  @db_file
+;
+
+#keyset[id]
+files(
+  int id: @file ref,
+  string name: string ref
+);
+
+#keyset[id]
+file_is_successfully_extracted(
+  int id: @file ref
+);
+
+@locatable =
+  @argument
+| @ast_node
+| @comment
+| @diagnostics
+| @error_element
+;
+
+#keyset[id]
+locatable_locations(
+  int id: @locatable ref,
+  int location: @location_or_none ref
+);
+
+@location =
+  @db_location
+;
+
+#keyset[id]
+locations(
+  int id: @location ref,
+  int file: @file_or_none ref,
+  int start_line: int ref,
+  int start_column: int ref,
+  int end_line: int ref,
+  int end_column: int ref
+);
+
+@ast_node =
+  @availability_info
+| @availability_spec
+| @case_label_item
+| @condition_element
+| @decl
+| @expr
+| @key_path_component
+| @pattern
+| @stmt
+| @stmt_condition
+| @type_repr
+;
+
+comments(
+  unique int id: @comment,
+  string text: string ref
+);
+
+db_files(
+  unique int id: @db_file
+);
+
+db_locations(
+  unique int id: @db_location
+);
+
+diagnostics(
+  unique int id: @diagnostics,
+  string text: string ref,
+  int kind: int ref
+);
+
+@error_element =
+  @error_expr
+| @error_type
+| @overloaded_decl_ref_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_chain_result_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @unresolved_type
+| @unresolved_type_conversion_expr
+| @unspecified_element
+;
+
+availability_infos(
+  unique int id: @availability_info
+);
+
+#keyset[id]
+availability_info_is_unavailable(
+  int id: @availability_info ref
+);
+
+#keyset[id, index]
+availability_info_specs(
+  int id: @availability_info ref,
+  int index: int ref,
+  int spec: @availability_spec_or_none ref
+);
+
+@availability_spec =
+  @other_availability_spec
+| @platform_version_availability_spec
+;
+
+key_path_components(
+  unique int id: @key_path_component,
+  int kind: int ref,
+  int component_type: @type_or_none ref
+);
+
+#keyset[id, index]
+key_path_component_subscript_arguments(
+  int id: @key_path_component ref,
+  int index: int ref,
+  int subscript_argument: @argument_or_none ref
+);
+
+#keyset[id]
+key_path_component_tuple_indices(
+  int id: @key_path_component ref,
+  int tuple_index: int ref
+);
+
+#keyset[id]
+key_path_component_decl_refs(
+  int id: @key_path_component ref,
+  int decl_ref: @value_decl_or_none ref
+);
+
+unspecified_elements(
+  unique int id: @unspecified_element,
+  string property: string ref,
+  string error: string ref
+);
+
+#keyset[id]
+unspecified_element_parents(
+  int id: @unspecified_element ref,
+  int parent: @element ref
+);
+
+#keyset[id]
+unspecified_element_indices(
+  int id: @unspecified_element ref,
+  int index: int ref
+);
+
+#keyset[id, index]
+unspecified_element_children(
+  int id: @unspecified_element ref,
+  int index: int ref,
+  int child: @ast_node_or_none ref
+);
+
+other_availability_specs(
+  unique int id: @other_availability_spec
+);
+
+platform_version_availability_specs(
+  unique int id: @platform_version_availability_spec,
+  string platform: string ref,
+  string version: string ref
+);
+
+@decl =
+  @captured_decl
+| @enum_case_decl
+| @extension_decl
+| @if_config_decl
+| @import_decl
+| @missing_member_decl
+| @operator_decl
+| @pattern_binding_decl
+| @pound_diagnostic_decl
+| @precedence_group_decl
+| @top_level_code_decl
+| @value_decl
+;
+
+#keyset[id]
+decls(  //dir=decl
+  int id: @decl ref,
+  int module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+decl_members(  //dir=decl
+  int id: @decl ref,
+  int index: int ref,
+  int member: @decl_or_none ref
+);
+
+@generic_context =
+  @extension_decl
+| @function
+| @generic_type_decl
+| @subscript_decl
+;
+
+#keyset[id, index]
+generic_context_generic_type_params(  //dir=decl
+  int id: @generic_context ref,
+  int index: int ref,
+  int generic_type_param: @generic_type_param_decl_or_none ref
+);
+
+captured_decls(  //dir=decl
+  unique int id: @captured_decl,
+  int decl: @value_decl_or_none ref
+);
+
+#keyset[id]
+captured_decl_is_direct(  //dir=decl
+  int id: @captured_decl ref
+);
+
+#keyset[id]
+captured_decl_is_escaping(  //dir=decl
+  int id: @captured_decl ref
+);
+
+enum_case_decls(  //dir=decl
+  unique int id: @enum_case_decl
+);
+
+#keyset[id, index]
+enum_case_decl_elements(  //dir=decl
+  int id: @enum_case_decl ref,
+  int index: int ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+extension_decls(  //dir=decl
+  unique int id: @extension_decl,
+  int extended_type_decl: @nominal_type_decl_or_none ref
+);
+
+#keyset[id, index]
+extension_decl_protocols(  //dir=decl
+  int id: @extension_decl ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+if_config_decls(  //dir=decl
+  unique int id: @if_config_decl
+);
+
+#keyset[id, index]
+if_config_decl_active_elements(  //dir=decl
+  int id: @if_config_decl ref,
+  int index: int ref,
+  int active_element: @ast_node_or_none ref
+);
+
+import_decls(  //dir=decl
+  unique int id: @import_decl
+);
+
+#keyset[id]
+import_decl_is_exported(  //dir=decl
+  int id: @import_decl ref
+);
+
+#keyset[id]
+import_decl_imported_modules(  //dir=decl
+  int id: @import_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+#keyset[id, index]
+import_decl_declarations(  //dir=decl
+  int id: @import_decl ref,
+  int index: int ref,
+  int declaration: @value_decl_or_none ref
+);
+
+missing_member_decls(  //dir=decl
+  unique int id: @missing_member_decl,
+  string name: string ref
+);
+
+@operator_decl =
+  @infix_operator_decl
+| @postfix_operator_decl
+| @prefix_operator_decl
+;
+
+#keyset[id]
+operator_decls(  //dir=decl
+  int id: @operator_decl ref,
+  string name: string ref
+);
+
+pattern_binding_decls(  //dir=decl
+  unique int id: @pattern_binding_decl
+);
+
+#keyset[id, index]
+pattern_binding_decl_inits(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int init: @expr_or_none ref
+);
+
+#keyset[id, index]
+pattern_binding_decl_patterns(  //dir=decl
+  int id: @pattern_binding_decl ref,
+  int index: int ref,
+  int pattern: @pattern_or_none ref
+);
+
+pound_diagnostic_decls(  //dir=decl
+  unique int id: @pound_diagnostic_decl,
+  int kind: int ref,
+  int message: @string_literal_expr_or_none ref
+);
+
+precedence_group_decls(  //dir=decl
+  unique int id: @precedence_group_decl
+);
+
+top_level_code_decls(  //dir=decl
+  unique int id: @top_level_code_decl,
+  int body: @brace_stmt_or_none ref
+);
+
+@value_decl =
+  @abstract_storage_decl
+| @enum_element_decl
+| @function
+| @type_decl
+;
+
+#keyset[id]
+value_decls(  //dir=decl
+  int id: @value_decl ref,
+  int interface_type: @type_or_none ref
+);
+
+@abstract_storage_decl =
+  @subscript_decl
+| @var_decl
+;
+
+#keyset[id, index]
+abstract_storage_decl_accessors(  //dir=decl
+  int id: @abstract_storage_decl ref,
+  int index: int ref,
+  int accessor: @accessor_or_none ref
+);
+
+enum_element_decls(  //dir=decl
+  unique int id: @enum_element_decl,
+  string name: string ref
+);
+
+#keyset[id, index]
+enum_element_decl_params(  //dir=decl
+  int id: @enum_element_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@function =
+  @accessor_or_named_function
+| @deinitializer
+| @initializer
+;
+
+infix_operator_decls(  //dir=decl
+  unique int id: @infix_operator_decl
+);
+
+#keyset[id]
+infix_operator_decl_precedence_groups(  //dir=decl
+  int id: @infix_operator_decl ref,
+  int precedence_group: @precedence_group_decl_or_none ref
+);
+
+postfix_operator_decls(  //dir=decl
+  unique int id: @postfix_operator_decl
+);
+
+prefix_operator_decls(  //dir=decl
+  unique int id: @prefix_operator_decl
+);
+
+@type_decl =
+  @abstract_type_param_decl
+| @generic_type_decl
+| @module_decl
+;
+
+#keyset[id]
+type_decls(  //dir=decl
+  int id: @type_decl ref,
+  string name: string ref
+);
+
+#keyset[id, index]
+type_decl_inherited_types(  //dir=decl
+  int id: @type_decl ref,
+  int index: int ref,
+  int inherited_type: @type_or_none ref
+);
+
+@abstract_type_param_decl =
+  @associated_type_decl
+| @generic_type_param_decl
+;
+
+@accessor_or_named_function =
+  @accessor
+| @named_function
+;
+
+deinitializers(  //dir=decl
+  unique int id: @deinitializer
+);
+
+@generic_type_decl =
+  @nominal_type_decl
+| @opaque_type_decl
+| @type_alias_decl
+;
+
+initializers(  //dir=decl
+  unique int id: @initializer
+);
+
+module_decls(  //dir=decl
+  unique int id: @module_decl
+);
+
+#keyset[id]
+module_decl_is_builtin_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+#keyset[id]
+module_decl_is_system_module(  //dir=decl
+  int id: @module_decl ref
+);
+
+module_decl_imported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int imported_module: @module_decl_or_none ref
+);
+
+module_decl_exported_modules(  //dir=decl
+  int id: @module_decl ref,
+  int exported_module: @module_decl_or_none ref
+);
+
+subscript_decls(  //dir=decl
+  unique int id: @subscript_decl,
+  int element_type: @type_or_none ref
+);
+
+#keyset[id, index]
+subscript_decl_params(  //dir=decl
+  int id: @subscript_decl ref,
+  int index: int ref,
+  int param: @param_decl_or_none ref
+);
+
+@var_decl =
+  @concrete_var_decl
+| @param_decl
+;
+
+#keyset[id]
+var_decls(  //dir=decl
+  int id: @var_decl ref,
+  string name: string ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_attached_property_wrapper_types(  //dir=decl
+  int id: @var_decl ref,
+  int attached_property_wrapper_type: @type_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_patterns(  //dir=decl
+  int id: @var_decl ref,
+  int parent_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+var_decl_parent_initializers(  //dir=decl
+  int id: @var_decl ref,
+  int parent_initializer: @expr_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_backing_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_backing_var: @var_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_var_bindings(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+var_decl_property_wrapper_projection_vars(  //dir=decl
+  int id: @var_decl ref,
+  int property_wrapper_projection_var: @var_decl_or_none ref
+);
+
+accessors(  //dir=decl
+  unique int id: @accessor
+);
+
+#keyset[id]
+accessor_is_getter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_setter(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_will_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_did_set(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_read(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_modify(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_address(  //dir=decl
+  int id: @accessor ref
+);
+
+#keyset[id]
+accessor_is_unsafe_mutable_address(  //dir=decl
+  int id: @accessor ref
+);
+
+associated_type_decls(  //dir=decl
+  unique int id: @associated_type_decl
+);
+
+concrete_var_decls(  //dir=decl
+  unique int id: @concrete_var_decl,
+  int introducer_int: int ref
+);
+
+generic_type_param_decls(  //dir=decl
+  unique int id: @generic_type_param_decl
+);
+
+named_functions(  //dir=decl
+  unique int id: @named_function
+);
+
+@nominal_type_decl =
+  @class_decl
+| @enum_decl
+| @protocol_decl
+| @struct_decl
+;
+
+#keyset[id]
+nominal_type_decls(  //dir=decl
+  int id: @nominal_type_decl ref,
+  int type_: @type_or_none ref
+);
+
+opaque_type_decls(  //dir=decl
+  unique int id: @opaque_type_decl,
+  int naming_declaration: @value_decl_or_none ref
+);
+
+#keyset[id, index]
+opaque_type_decl_opaque_generic_params(  //dir=decl
+  int id: @opaque_type_decl ref,
+  int index: int ref,
+  int opaque_generic_param: @generic_type_param_type_or_none ref
+);
+
+param_decls(  //dir=decl
+  unique int id: @param_decl
+);
+
+#keyset[id]
+param_decl_is_inout(  //dir=decl
+  int id: @param_decl ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_var_bindings(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var_binding: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+param_decl_property_wrapper_local_wrapped_vars(  //dir=decl
+  int id: @param_decl ref,
+  int property_wrapper_local_wrapped_var: @var_decl_or_none ref
+);
+
+type_alias_decls(  //dir=decl
+  unique int id: @type_alias_decl,
+  int aliased_type: @type_or_none ref
+);
+
+class_decls(  //dir=decl
+  unique int id: @class_decl
+);
+
+enum_decls(  //dir=decl
+  unique int id: @enum_decl
+);
+
+protocol_decls(  //dir=decl
+  unique int id: @protocol_decl
+);
+
+struct_decls(  //dir=decl
+  unique int id: @struct_decl
+);
+
+arguments(  //dir=expr
+  unique int id: @argument,
+  string label: string ref,
+  int expr: @expr_or_none ref
+);
+
+@expr =
+  @any_try_expr
+| @applied_property_wrapper_expr
+| @apply_expr
+| @assign_expr
+| @bind_optional_expr
+| @capture_list_expr
+| @closure_expr
+| @collection_expr
+| @consume_expr
+| @copy_expr
+| @decl_ref_expr
+| @default_argument_expr
+| @discard_assignment_expr
+| @dot_syntax_base_ignored_expr
+| @dynamic_type_expr
+| @enum_is_case_expr
+| @error_expr
+| @explicit_cast_expr
+| @force_value_expr
+| @identity_expr
+| @if_expr
+| @implicit_conversion_expr
+| @in_out_expr
+| @key_path_application_expr
+| @key_path_dot_expr
+| @key_path_expr
+| @lazy_initialization_expr
+| @literal_expr
+| @lookup_expr
+| @make_temporarily_escapable_expr
+| @obj_c_selector_expr
+| @one_way_expr
+| @opaque_value_expr
+| @open_existential_expr
+| @optional_evaluation_expr
+| @other_initializer_ref_expr
+| @overloaded_decl_ref_expr
+| @pack_element_expr
+| @pack_expansion_expr
+| @property_wrapper_value_placeholder_expr
+| @rebind_self_in_initializer_expr
+| @sequence_expr
+| @single_value_stmt_expr
+| @super_ref_expr
+| @tap_expr
+| @tuple_element_expr
+| @tuple_expr
+| @type_expr
+| @unresolved_decl_ref_expr
+| @unresolved_dot_expr
+| @unresolved_member_expr
+| @unresolved_pattern_expr
+| @unresolved_specialize_expr
+| @vararg_expansion_expr
+;
+
+#keyset[id]
+expr_types(  //dir=expr
+  int id: @expr ref,
+  int type_: @type_or_none ref
+);
+
+@any_try_expr =
+  @force_try_expr
+| @optional_try_expr
+| @try_expr
+;
+
+#keyset[id]
+any_try_exprs(  //dir=expr
+  int id: @any_try_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+applied_property_wrapper_exprs(  //dir=expr
+  unique int id: @applied_property_wrapper_expr,
+  int kind: int ref,
+  int value: @expr_or_none ref,
+  int param: @param_decl_or_none ref
+);
+
+@apply_expr =
+  @binary_expr
+| @call_expr
+| @postfix_unary_expr
+| @prefix_unary_expr
+| @self_apply_expr
+;
+
+#keyset[id]
+apply_exprs(  //dir=expr
+  int id: @apply_expr ref,
+  int function: @expr_or_none ref
+);
+
+#keyset[id, index]
+apply_expr_arguments(  //dir=expr
+  int id: @apply_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+assign_exprs(  //dir=expr
+  unique int id: @assign_expr,
+  int dest: @expr_or_none ref,
+  int source: @expr_or_none ref
+);
+
+bind_optional_exprs(  //dir=expr
+  unique int id: @bind_optional_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+capture_list_exprs(  //dir=expr
+  unique int id: @capture_list_expr,
+  int closure_body: @closure_expr_or_none ref
+);
+
+#keyset[id, index]
+capture_list_expr_binding_decls(  //dir=expr
+  int id: @capture_list_expr ref,
+  int index: int ref,
+  int binding_decl: @pattern_binding_decl_or_none ref
+);
+
+@closure_expr =
+  @auto_closure_expr
+| @explicit_closure_expr
+;
+
+@collection_expr =
+  @array_expr
+| @dictionary_expr
+;
+
+consume_exprs(  //dir=expr
+  unique int id: @consume_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+copy_exprs(  //dir=expr
+  unique int id: @copy_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+decl_ref_exprs(  //dir=expr
+  unique int id: @decl_ref_expr,
+  int decl: @decl_or_none ref
+);
+
+#keyset[id, index]
+decl_ref_expr_replacement_types(  //dir=expr
+  int id: @decl_ref_expr ref,
+  int index: int ref,
+  int replacement_type: @type_or_none ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+#keyset[id]
+decl_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @decl_ref_expr ref
+);
+
+default_argument_exprs(  //dir=expr
+  unique int id: @default_argument_expr,
+  int param_decl: @param_decl_or_none ref,
+  int param_index: int ref
+);
+
+#keyset[id]
+default_argument_expr_caller_side_defaults(  //dir=expr
+  int id: @default_argument_expr ref,
+  int caller_side_default: @expr_or_none ref
+);
+
+discard_assignment_exprs(  //dir=expr
+  unique int id: @discard_assignment_expr
+);
+
+dot_syntax_base_ignored_exprs(  //dir=expr
+  unique int id: @dot_syntax_base_ignored_expr,
+  int qualifier: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+dynamic_type_exprs(  //dir=expr
+  unique int id: @dynamic_type_expr,
+  int base: @expr_or_none ref
+);
+
+enum_is_case_exprs(  //dir=expr
+  unique int id: @enum_is_case_expr,
+  int sub_expr: @expr_or_none ref,
+  int element: @enum_element_decl_or_none ref
+);
+
+error_exprs(  //dir=expr
+  unique int id: @error_expr
+);
+
+@explicit_cast_expr =
+  @checked_cast_expr
+| @coerce_expr
+;
+
+#keyset[id]
+explicit_cast_exprs(  //dir=expr
+  int id: @explicit_cast_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+force_value_exprs(  //dir=expr
+  unique int id: @force_value_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@identity_expr =
+  @await_expr
+| @borrow_expr
+| @dot_self_expr
+| @paren_expr
+| @unresolved_member_chain_result_expr
+;
+
+#keyset[id]
+identity_exprs(  //dir=expr
+  int id: @identity_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+if_exprs(  //dir=expr
+  unique int id: @if_expr,
+  int condition: @expr_or_none ref,
+  int then_expr: @expr_or_none ref,
+  int else_expr: @expr_or_none ref
+);
+
+@implicit_conversion_expr =
+  @abi_safe_conversion_expr
+| @any_hashable_erasure_expr
+| @archetype_to_super_expr
+| @array_to_pointer_expr
+| @bridge_from_obj_c_expr
+| @bridge_to_obj_c_expr
+| @class_metatype_to_object_expr
+| @collection_upcast_conversion_expr
+| @conditional_bridge_from_obj_c_expr
+| @covariant_function_conversion_expr
+| @covariant_return_conversion_expr
+| @derived_to_base_expr
+| @destructure_tuple_expr
+| @differentiable_function_expr
+| @differentiable_function_extract_original_expr
+| @erasure_expr
+| @existential_metatype_to_object_expr
+| @foreign_object_conversion_expr
+| @function_conversion_expr
+| @in_out_to_pointer_expr
+| @inject_into_optional_expr
+| @linear_function_expr
+| @linear_function_extract_original_expr
+| @linear_to_differentiable_function_expr
+| @load_expr
+| @metatype_conversion_expr
+| @pointer_to_pointer_expr
+| @protocol_metatype_to_object_expr
+| @string_to_pointer_expr
+| @underlying_to_opaque_expr
+| @unevaluated_instance_expr
+| @unresolved_type_conversion_expr
+;
+
+#keyset[id]
+implicit_conversion_exprs(  //dir=expr
+  int id: @implicit_conversion_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+in_out_exprs(  //dir=expr
+  unique int id: @in_out_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+key_path_application_exprs(  //dir=expr
+  unique int id: @key_path_application_expr,
+  int base: @expr_or_none ref,
+  int key_path: @expr_or_none ref
+);
+
+key_path_dot_exprs(  //dir=expr
+  unique int id: @key_path_dot_expr
+);
+
+key_path_exprs(  //dir=expr
+  unique int id: @key_path_expr
+);
+
+#keyset[id]
+key_path_expr_roots(  //dir=expr
+  int id: @key_path_expr ref,
+  int root: @type_repr_or_none ref
+);
+
+#keyset[id, index]
+key_path_expr_components(  //dir=expr
+  int id: @key_path_expr ref,
+  int index: int ref,
+  int component: @key_path_component_or_none ref
+);
+
+lazy_initialization_exprs(  //dir=expr
+  unique int id: @lazy_initialization_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+@literal_expr =
+  @builtin_literal_expr
+| @interpolated_string_literal_expr
+| @nil_literal_expr
+| @object_literal_expr
+| @regex_literal_expr
+;
+
+@lookup_expr =
+  @dynamic_lookup_expr
+| @member_ref_expr
+| @subscript_expr
+;
+
+#keyset[id]
+lookup_exprs(  //dir=expr
+  int id: @lookup_expr ref,
+  int base: @expr_or_none ref
+);
+
+#keyset[id]
+lookup_expr_members(  //dir=expr
+  int id: @lookup_expr ref,
+  int member: @decl_or_none ref
+);
+
+make_temporarily_escapable_exprs(  //dir=expr
+  unique int id: @make_temporarily_escapable_expr,
+  int escaping_closure: @opaque_value_expr_or_none ref,
+  int nonescaping_closure: @expr_or_none ref,
+  int sub_expr: @expr_or_none ref
+);
+
+obj_c_selector_exprs(  //dir=expr
+  unique int id: @obj_c_selector_expr,
+  int sub_expr: @expr_or_none ref,
+  int method: @function_or_none ref
+);
+
+one_way_exprs(  //dir=expr
+  unique int id: @one_way_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+opaque_value_exprs(  //dir=expr
+  unique int id: @opaque_value_expr
+);
+
+open_existential_exprs(  //dir=expr
+  unique int id: @open_existential_expr,
+  int sub_expr: @expr_or_none ref,
+  int existential: @expr_or_none ref,
+  int opaque_expr: @opaque_value_expr_or_none ref
+);
+
+optional_evaluation_exprs(  //dir=expr
+  unique int id: @optional_evaluation_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+other_initializer_ref_exprs(  //dir=expr
+  unique int id: @other_initializer_ref_expr,
+  int initializer: @initializer_or_none ref
+);
+
+overloaded_decl_ref_exprs(  //dir=expr
+  unique int id: @overloaded_decl_ref_expr
+);
+
+#keyset[id, index]
+overloaded_decl_ref_expr_possible_declarations(  //dir=expr
+  int id: @overloaded_decl_ref_expr ref,
+  int index: int ref,
+  int possible_declaration: @value_decl_or_none ref
+);
+
+pack_element_exprs(  //dir=expr
+  unique int id: @pack_element_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+pack_expansion_exprs(  //dir=expr
+  unique int id: @pack_expansion_expr,
+  int pattern_expr: @expr_or_none ref
+);
+
+property_wrapper_value_placeholder_exprs(  //dir=expr
+  unique int id: @property_wrapper_value_placeholder_expr,
+  int placeholder: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+property_wrapper_value_placeholder_expr_wrapped_values(  //dir=expr
+  int id: @property_wrapper_value_placeholder_expr ref,
+  int wrapped_value: @expr_or_none ref
+);
+
+rebind_self_in_initializer_exprs(  //dir=expr
+  unique int id: @rebind_self_in_initializer_expr,
+  int sub_expr: @expr_or_none ref,
+  int self: @var_decl_or_none ref
+);
+
+sequence_exprs(  //dir=expr
+  unique int id: @sequence_expr
+);
+
+#keyset[id, index]
+sequence_expr_elements(  //dir=expr
+  int id: @sequence_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+single_value_stmt_exprs(  //dir=expr
+  unique int id: @single_value_stmt_expr,
+  int stmt: @stmt_or_none ref
+);
+
+super_ref_exprs(  //dir=expr
+  unique int id: @super_ref_expr,
+  int self: @var_decl_or_none ref
+);
+
+tap_exprs(  //dir=expr
+  unique int id: @tap_expr,
+  int body: @brace_stmt_or_none ref,
+  int var: @var_decl_or_none ref
+);
+
+#keyset[id]
+tap_expr_sub_exprs(  //dir=expr
+  int id: @tap_expr ref,
+  int sub_expr: @expr_or_none ref
+);
+
+tuple_element_exprs(  //dir=expr
+  unique int id: @tuple_element_expr,
+  int sub_expr: @expr_or_none ref,
+  int index: int ref
+);
+
+tuple_exprs(  //dir=expr
+  unique int id: @tuple_expr
+);
+
+#keyset[id, index]
+tuple_expr_elements(  //dir=expr
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+type_exprs(  //dir=expr
+  unique int id: @type_expr
+);
+
+#keyset[id]
+type_expr_type_reprs(  //dir=expr
+  int id: @type_expr ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+unresolved_decl_ref_exprs(  //dir=expr
+  unique int id: @unresolved_decl_ref_expr
+);
+
+#keyset[id]
+unresolved_decl_ref_expr_names(  //dir=expr
+  int id: @unresolved_decl_ref_expr ref,
+  string name: string ref
+);
+
+unresolved_dot_exprs(  //dir=expr
+  unique int id: @unresolved_dot_expr,
+  int base: @expr_or_none ref,
+  string name: string ref
+);
+
+unresolved_member_exprs(  //dir=expr
+  unique int id: @unresolved_member_expr,
+  string name: string ref
+);
+
+unresolved_pattern_exprs(  //dir=expr
+  unique int id: @unresolved_pattern_expr,
+  int sub_pattern: @pattern_or_none ref
+);
+
+unresolved_specialize_exprs(  //dir=expr
+  unique int id: @unresolved_specialize_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+vararg_expansion_exprs(  //dir=expr
+  unique int id: @vararg_expansion_expr,
+  int sub_expr: @expr_or_none ref
+);
+
+abi_safe_conversion_exprs(  //dir=expr
+  unique int id: @abi_safe_conversion_expr
+);
+
+any_hashable_erasure_exprs(  //dir=expr
+  unique int id: @any_hashable_erasure_expr
+);
+
+archetype_to_super_exprs(  //dir=expr
+  unique int id: @archetype_to_super_expr
+);
+
+array_exprs(  //dir=expr
+  unique int id: @array_expr
+);
+
+#keyset[id, index]
+array_expr_elements(  //dir=expr
+  int id: @array_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+array_to_pointer_exprs(  //dir=expr
+  unique int id: @array_to_pointer_expr
+);
+
+auto_closure_exprs(  //dir=expr
+  unique int id: @auto_closure_expr
+);
+
+await_exprs(  //dir=expr
+  unique int id: @await_expr
+);
+
+binary_exprs(  //dir=expr
+  unique int id: @binary_expr
+);
+
+borrow_exprs(  //dir=expr
+  unique int id: @borrow_expr
+);
+
+bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_from_obj_c_expr
+);
+
+bridge_to_obj_c_exprs(  //dir=expr
+  unique int id: @bridge_to_obj_c_expr
+);
+
+@builtin_literal_expr =
+  @boolean_literal_expr
+| @magic_identifier_literal_expr
+| @number_literal_expr
+| @string_literal_expr
+;
+
+call_exprs(  //dir=expr
+  unique int id: @call_expr
+);
+
+@checked_cast_expr =
+  @conditional_checked_cast_expr
+| @forced_checked_cast_expr
+| @is_expr
+;
+
+class_metatype_to_object_exprs(  //dir=expr
+  unique int id: @class_metatype_to_object_expr
+);
+
+coerce_exprs(  //dir=expr
+  unique int id: @coerce_expr
+);
+
+collection_upcast_conversion_exprs(  //dir=expr
+  unique int id: @collection_upcast_conversion_expr
+);
+
+conditional_bridge_from_obj_c_exprs(  //dir=expr
+  unique int id: @conditional_bridge_from_obj_c_expr
+);
+
+covariant_function_conversion_exprs(  //dir=expr
+  unique int id: @covariant_function_conversion_expr
+);
+
+covariant_return_conversion_exprs(  //dir=expr
+  unique int id: @covariant_return_conversion_expr
+);
+
+derived_to_base_exprs(  //dir=expr
+  unique int id: @derived_to_base_expr
+);
+
+destructure_tuple_exprs(  //dir=expr
+  unique int id: @destructure_tuple_expr
+);
+
+dictionary_exprs(  //dir=expr
+  unique int id: @dictionary_expr
+);
+
+#keyset[id, index]
+dictionary_expr_elements(  //dir=expr
+  int id: @dictionary_expr ref,
+  int index: int ref,
+  int element: @expr_or_none ref
+);
+
+differentiable_function_exprs(  //dir=expr
+  unique int id: @differentiable_function_expr
+);
+
+differentiable_function_extract_original_exprs(  //dir=expr
+  unique int id: @differentiable_function_extract_original_expr
+);
+
+dot_self_exprs(  //dir=expr
+  unique int id: @dot_self_expr
+);
+
+@dynamic_lookup_expr =
+  @dynamic_member_ref_expr
+| @dynamic_subscript_expr
+;
+
+erasure_exprs(  //dir=expr
+  unique int id: @erasure_expr
+);
+
+existential_metatype_to_object_exprs(  //dir=expr
+  unique int id: @existential_metatype_to_object_expr
+);
+
+explicit_closure_exprs(  //dir=expr
+  unique int id: @explicit_closure_expr
+);
+
+force_try_exprs(  //dir=expr
+  unique int id: @force_try_expr
+);
+
+foreign_object_conversion_exprs(  //dir=expr
+  unique int id: @foreign_object_conversion_expr
+);
+
+function_conversion_exprs(  //dir=expr
+  unique int id: @function_conversion_expr
+);
+
+in_out_to_pointer_exprs(  //dir=expr
+  unique int id: @in_out_to_pointer_expr
+);
+
+inject_into_optional_exprs(  //dir=expr
+  unique int id: @inject_into_optional_expr
+);
+
+interpolated_string_literal_exprs(  //dir=expr
+  unique int id: @interpolated_string_literal_expr
+);
+
+#keyset[id]
+interpolated_string_literal_expr_interpolation_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int interpolation_expr: @opaque_value_expr_or_none ref
+);
+
+#keyset[id]
+interpolated_string_literal_expr_appending_exprs(  //dir=expr
+  int id: @interpolated_string_literal_expr ref,
+  int appending_expr: @tap_expr_or_none ref
+);
+
+linear_function_exprs(  //dir=expr
+  unique int id: @linear_function_expr
+);
+
+linear_function_extract_original_exprs(  //dir=expr
+  unique int id: @linear_function_extract_original_expr
+);
+
+linear_to_differentiable_function_exprs(  //dir=expr
+  unique int id: @linear_to_differentiable_function_expr
+);
+
+load_exprs(  //dir=expr
+  unique int id: @load_expr
+);
+
+member_ref_exprs(  //dir=expr
+  unique int id: @member_ref_expr
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_ordinary_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+#keyset[id]
+member_ref_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @member_ref_expr ref
+);
+
+metatype_conversion_exprs(  //dir=expr
+  unique int id: @metatype_conversion_expr
+);
+
+nil_literal_exprs(  //dir=expr
+  unique int id: @nil_literal_expr
+);
+
+object_literal_exprs(  //dir=expr
+  unique int id: @object_literal_expr,
+  int kind: int ref
+);
+
+#keyset[id, index]
+object_literal_expr_arguments(  //dir=expr
+  int id: @object_literal_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+optional_try_exprs(  //dir=expr
+  unique int id: @optional_try_expr
+);
+
+paren_exprs(  //dir=expr
+  unique int id: @paren_expr
+);
+
+pointer_to_pointer_exprs(  //dir=expr
+  unique int id: @pointer_to_pointer_expr
+);
+
+postfix_unary_exprs(  //dir=expr
+  unique int id: @postfix_unary_expr
+);
+
+prefix_unary_exprs(  //dir=expr
+  unique int id: @prefix_unary_expr
+);
+
+protocol_metatype_to_object_exprs(  //dir=expr
+  unique int id: @protocol_metatype_to_object_expr
+);
+
+regex_literal_exprs(  //dir=expr
+  unique int id: @regex_literal_expr,
+  string pattern: string ref,
+  int version: int ref
+);
+
+@self_apply_expr =
+  @dot_syntax_call_expr
+| @initializer_ref_call_expr
+;
+
+#keyset[id]
+self_apply_exprs(  //dir=expr
+  int id: @self_apply_expr ref,
+  int base: @expr_or_none ref
+);
+
+string_to_pointer_exprs(  //dir=expr
+  unique int id: @string_to_pointer_expr
+);
+
+subscript_exprs(  //dir=expr
+  unique int id: @subscript_expr
+);
+
+#keyset[id, index]
+subscript_expr_arguments(  //dir=expr
+  int id: @subscript_expr ref,
+  int index: int ref,
+  int argument: @argument_or_none ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_storage_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_direct_to_implementation_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_ordinary_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+#keyset[id]
+subscript_expr_has_distributed_thunk_semantics(  //dir=expr
+  int id: @subscript_expr ref
+);
+
+try_exprs(  //dir=expr
+  unique int id: @try_expr
+);
+
+underlying_to_opaque_exprs(  //dir=expr
+  unique int id: @underlying_to_opaque_expr
+);
+
+unevaluated_instance_exprs(  //dir=expr
+  unique int id: @unevaluated_instance_expr
+);
+
+unresolved_member_chain_result_exprs(  //dir=expr
+  unique int id: @unresolved_member_chain_result_expr
+);
+
+unresolved_type_conversion_exprs(  //dir=expr
+  unique int id: @unresolved_type_conversion_expr
+);
+
+boolean_literal_exprs(  //dir=expr
+  unique int id: @boolean_literal_expr,
+  boolean value: boolean ref
+);
+
+conditional_checked_cast_exprs(  //dir=expr
+  unique int id: @conditional_checked_cast_expr
+);
+
+dot_syntax_call_exprs(  //dir=expr
+  unique int id: @dot_syntax_call_expr
+);
+
+dynamic_member_ref_exprs(  //dir=expr
+  unique int id: @dynamic_member_ref_expr
+);
+
+dynamic_subscript_exprs(  //dir=expr
+  unique int id: @dynamic_subscript_expr
+);
+
+forced_checked_cast_exprs(  //dir=expr
+  unique int id: @forced_checked_cast_expr
+);
+
+initializer_ref_call_exprs(  //dir=expr
+  unique int id: @initializer_ref_call_expr
+);
+
+is_exprs(  //dir=expr
+  unique int id: @is_expr
+);
+
+magic_identifier_literal_exprs(  //dir=expr
+  unique int id: @magic_identifier_literal_expr,
+  string kind: string ref
+);
+
+@number_literal_expr =
+  @float_literal_expr
+| @integer_literal_expr
+;
+
+string_literal_exprs(  //dir=expr
+  unique int id: @string_literal_expr,
+  string value: string ref
+);
+
+float_literal_exprs(  //dir=expr
+  unique int id: @float_literal_expr,
+  string string_value: string ref
+);
+
+integer_literal_exprs(  //dir=expr
+  unique int id: @integer_literal_expr,
+  string string_value: string ref
+);
+
+@pattern =
+  @any_pattern
+| @binding_pattern
+| @bool_pattern
+| @enum_element_pattern
+| @expr_pattern
+| @is_pattern
+| @named_pattern
+| @optional_some_pattern
+| @paren_pattern
+| @tuple_pattern
+| @typed_pattern
+;
+
+any_patterns(  //dir=pattern
+  unique int id: @any_pattern
+);
+
+binding_patterns(  //dir=pattern
+  unique int id: @binding_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+bool_patterns(  //dir=pattern
+  unique int id: @bool_pattern,
+  boolean value: boolean ref
+);
+
+enum_element_patterns(  //dir=pattern
+  unique int id: @enum_element_pattern,
+  int element: @enum_element_decl_or_none ref
+);
+
+#keyset[id]
+enum_element_pattern_sub_patterns(  //dir=pattern
+  int id: @enum_element_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+expr_patterns(  //dir=pattern
+  unique int id: @expr_pattern,
+  int sub_expr: @expr_or_none ref
+);
+
+is_patterns(  //dir=pattern
+  unique int id: @is_pattern
+);
+
+#keyset[id]
+is_pattern_cast_type_reprs(  //dir=pattern
+  int id: @is_pattern ref,
+  int cast_type_repr: @type_repr_or_none ref
+);
+
+#keyset[id]
+is_pattern_sub_patterns(  //dir=pattern
+  int id: @is_pattern ref,
+  int sub_pattern: @pattern_or_none ref
+);
+
+named_patterns(  //dir=pattern
+  unique int id: @named_pattern,
+  int var_decl: @var_decl_or_none ref
+);
+
+optional_some_patterns(  //dir=pattern
+  unique int id: @optional_some_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+paren_patterns(  //dir=pattern
+  unique int id: @paren_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+tuple_patterns(  //dir=pattern
+  unique int id: @tuple_pattern
+);
+
+#keyset[id, index]
+tuple_pattern_elements(  //dir=pattern
+  int id: @tuple_pattern ref,
+  int index: int ref,
+  int element: @pattern_or_none ref
+);
+
+typed_patterns(  //dir=pattern
+  unique int id: @typed_pattern,
+  int sub_pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+typed_pattern_type_reprs(  //dir=pattern
+  int id: @typed_pattern ref,
+  int type_repr: @type_repr_or_none ref
+);
+
+case_label_items(  //dir=stmt
+  unique int id: @case_label_item,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+case_label_item_guards(  //dir=stmt
+  int id: @case_label_item ref,
+  int guard: @expr_or_none ref
+);
+
+condition_elements(  //dir=stmt
+  unique int id: @condition_element
+);
+
+#keyset[id]
+condition_element_booleans(  //dir=stmt
+  int id: @condition_element ref,
+  int boolean_: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_patterns(  //dir=stmt
+  int id: @condition_element ref,
+  int pattern: @pattern_or_none ref
+);
+
+#keyset[id]
+condition_element_initializers(  //dir=stmt
+  int id: @condition_element ref,
+  int initializer: @expr_or_none ref
+);
+
+#keyset[id]
+condition_element_availabilities(  //dir=stmt
+  int id: @condition_element ref,
+  int availability: @availability_info_or_none ref
+);
+
+@stmt =
+  @brace_stmt
+| @break_stmt
+| @case_stmt
+| @continue_stmt
+| @defer_stmt
+| @fail_stmt
+| @fallthrough_stmt
+| @labeled_stmt
+| @pound_assert_stmt
+| @return_stmt
+| @throw_stmt
+| @yield_stmt
+;
+
+stmt_conditions(  //dir=stmt
+  unique int id: @stmt_condition
+);
+
+#keyset[id, index]
+stmt_condition_elements(  //dir=stmt
+  int id: @stmt_condition ref,
+  int index: int ref,
+  int element: @condition_element_or_none ref
+);
+
+brace_stmts(  //dir=stmt
+  unique int id: @brace_stmt
+);
+
+#keyset[id, index]
+brace_stmt_elements(  //dir=stmt
+  int id: @brace_stmt ref,
+  int index: int ref,
+  int element: @ast_node_or_none ref
+);
+
+break_stmts(  //dir=stmt
+  unique int id: @break_stmt
+);
+
+#keyset[id]
+break_stmt_target_names(  //dir=stmt
+  int id: @break_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+break_stmt_targets(  //dir=stmt
+  int id: @break_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+case_stmts(  //dir=stmt
+  unique int id: @case_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_labels(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int label: @case_label_item_or_none ref
+);
+
+#keyset[id, index]
+case_stmt_variables(  //dir=stmt
+  int id: @case_stmt ref,
+  int index: int ref,
+  int variable: @var_decl_or_none ref
+);
+
+continue_stmts(  //dir=stmt
+  unique int id: @continue_stmt
+);
+
+#keyset[id]
+continue_stmt_target_names(  //dir=stmt
+  int id: @continue_stmt ref,
+  string target_name: string ref
+);
+
+#keyset[id]
+continue_stmt_targets(  //dir=stmt
+  int id: @continue_stmt ref,
+  int target: @stmt_or_none ref
+);
+
+defer_stmts(  //dir=stmt
+  unique int id: @defer_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+fail_stmts(  //dir=stmt
+  unique int id: @fail_stmt
+);
+
+fallthrough_stmts(  //dir=stmt
+  unique int id: @fallthrough_stmt,
+  int fallthrough_source: @case_stmt_or_none ref,
+  int fallthrough_dest: @case_stmt_or_none ref
+);
+
+@labeled_stmt =
+  @do_catch_stmt
+| @do_stmt
+| @for_each_stmt
+| @labeled_conditional_stmt
+| @repeat_while_stmt
+| @switch_stmt
+;
+
+#keyset[id]
+labeled_stmt_labels(  //dir=stmt
+  int id: @labeled_stmt ref,
+  string label: string ref
+);
+
+pound_assert_stmts(  //dir=stmt
+  unique int id: @pound_assert_stmt,
+  int condition: @expr_or_none ref,
+  string message: string ref
+);
+
+return_stmts(  //dir=stmt
+  unique int id: @return_stmt
+);
+
+#keyset[id]
+return_stmt_results(  //dir=stmt
+  int id: @return_stmt ref,
+  int result: @expr_or_none ref
+);
+
+throw_stmts(  //dir=stmt
+  unique int id: @throw_stmt,
+  int sub_expr: @expr_or_none ref
+);
+
+yield_stmts(  //dir=stmt
+  unique int id: @yield_stmt
+);
+
+#keyset[id, index]
+yield_stmt_results(  //dir=stmt
+  int id: @yield_stmt ref,
+  int index: int ref,
+  int result: @expr_or_none ref
+);
+
+do_catch_stmts(  //dir=stmt
+  unique int id: @do_catch_stmt,
+  int body: @stmt_or_none ref
+);
+
+#keyset[id, index]
+do_catch_stmt_catches(  //dir=stmt
+  int id: @do_catch_stmt ref,
+  int index: int ref,
+  int catch: @case_stmt_or_none ref
+);
+
+do_stmts(  //dir=stmt
+  unique int id: @do_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+for_each_stmts(  //dir=stmt
+  unique int id: @for_each_stmt,
+  int pattern: @pattern_or_none ref,
+  int body: @brace_stmt_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_wheres(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int where: @expr_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_iterator_vars(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int iteratorVar: @pattern_binding_decl_or_none ref
+);
+
+#keyset[id]
+for_each_stmt_next_calls(  //dir=stmt
+  int id: @for_each_stmt ref,
+  int nextCall: @expr_or_none ref
+);
+
+@labeled_conditional_stmt =
+  @guard_stmt
+| @if_stmt
+| @while_stmt
+;
+
+#keyset[id]
+labeled_conditional_stmts(  //dir=stmt
+  int id: @labeled_conditional_stmt ref,
+  int condition: @stmt_condition_or_none ref
+);
+
+repeat_while_stmts(  //dir=stmt
+  unique int id: @repeat_while_stmt,
+  int condition: @expr_or_none ref,
+  int body: @stmt_or_none ref
+);
+
+switch_stmts(  //dir=stmt
+  unique int id: @switch_stmt,
+  int expr: @expr_or_none ref
+);
+
+#keyset[id, index]
+switch_stmt_cases(  //dir=stmt
+  int id: @switch_stmt ref,
+  int index: int ref,
+  int case_: @case_stmt_or_none ref
+);
+
+guard_stmts(  //dir=stmt
+  unique int id: @guard_stmt,
+  int body: @brace_stmt_or_none ref
+);
+
+if_stmts(  //dir=stmt
+  unique int id: @if_stmt,
+  int then: @stmt_or_none ref
+);
+
+#keyset[id]
+if_stmt_elses(  //dir=stmt
+  int id: @if_stmt ref,
+  int else: @stmt_or_none ref
+);
+
+while_stmts(  //dir=stmt
+  unique int id: @while_stmt,
+  int body: @stmt_or_none ref
+);
+
+@type =
+  @any_function_type
+| @any_generic_type
+| @any_metatype_type
+| @builtin_type
+| @dependent_member_type
+| @dynamic_self_type
+| @error_type
+| @existential_type
+| @in_out_type
+| @l_value_type
+| @module_type
+| @pack_element_type
+| @pack_expansion_type
+| @pack_type
+| @parameterized_protocol_type
+| @protocol_composition_type
+| @reference_storage_type
+| @substitutable_type
+| @sugar_type
+| @tuple_type
+| @unresolved_type
+;
+
+#keyset[id]
+types(  //dir=type
+  int id: @type ref,
+  string name: string ref,
+  int canonical_type: @type_or_none ref
+);
+
+type_reprs(  //dir=type
+  unique int id: @type_repr,
+  int type_: @type_or_none ref
+);
+
+@any_function_type =
+  @function_type
+| @generic_function_type
+;
+
+#keyset[id]
+any_function_types(  //dir=type
+  int id: @any_function_type ref,
+  int result: @type_or_none ref
+);
+
+#keyset[id, index]
+any_function_type_param_types(  //dir=type
+  int id: @any_function_type ref,
+  int index: int ref,
+  int param_type: @type_or_none ref
+);
+
+#keyset[id]
+any_function_type_is_throwing(  //dir=type
+  int id: @any_function_type ref
+);
+
+#keyset[id]
+any_function_type_is_async(  //dir=type
+  int id: @any_function_type ref
+);
+
+@any_generic_type =
+  @nominal_or_bound_generic_nominal_type
+| @unbound_generic_type
+;
+
+#keyset[id]
+any_generic_types(  //dir=type
+  int id: @any_generic_type ref,
+  int declaration: @generic_type_decl_or_none ref
+);
+
+#keyset[id]
+any_generic_type_parents(  //dir=type
+  int id: @any_generic_type ref,
+  int parent: @type_or_none ref
+);
+
+@any_metatype_type =
+  @existential_metatype_type
+| @metatype_type
+;
+
+@builtin_type =
+  @any_builtin_integer_type
+| @builtin_bridge_object_type
+| @builtin_default_actor_storage_type
+| @builtin_executor_type
+| @builtin_float_type
+| @builtin_job_type
+| @builtin_native_object_type
+| @builtin_raw_pointer_type
+| @builtin_raw_unsafe_continuation_type
+| @builtin_unsafe_value_buffer_type
+| @builtin_vector_type
+;
+
+dependent_member_types(  //dir=type
+  unique int id: @dependent_member_type,
+  int base_type: @type_or_none ref,
+  int associated_type_decl: @associated_type_decl_or_none ref
+);
+
+dynamic_self_types(  //dir=type
+  unique int id: @dynamic_self_type,
+  int static_self_type: @type_or_none ref
+);
+
+error_types(  //dir=type
+  unique int id: @error_type
+);
+
+existential_types(  //dir=type
+  unique int id: @existential_type,
+  int constraint: @type_or_none ref
+);
+
+in_out_types(  //dir=type
+  unique int id: @in_out_type,
+  int object_type: @type_or_none ref
+);
+
+l_value_types(  //dir=type
+  unique int id: @l_value_type,
+  int object_type: @type_or_none ref
+);
+
+module_types(  //dir=type
+  unique int id: @module_type,
+  int module: @module_decl_or_none ref
+);
+
+pack_element_types(  //dir=type
+  unique int id: @pack_element_type,
+  int pack_type: @type_or_none ref
+);
+
+pack_expansion_types(  //dir=type
+  unique int id: @pack_expansion_type,
+  int pattern_type: @type_or_none ref,
+  int count_type: @type_or_none ref
+);
+
+pack_types(  //dir=type
+  unique int id: @pack_type
+);
+
+#keyset[id, index]
+pack_type_elements(  //dir=type
+  int id: @pack_type ref,
+  int index: int ref,
+  int element: @type_or_none ref
+);
+
+parameterized_protocol_types(  //dir=type
+  unique int id: @parameterized_protocol_type,
+  int base: @protocol_type_or_none ref
+);
+
+#keyset[id, index]
+parameterized_protocol_type_args(  //dir=type
+  int id: @parameterized_protocol_type ref,
+  int index: int ref,
+  int arg: @type_or_none ref
+);
+
+protocol_composition_types(  //dir=type
+  unique int id: @protocol_composition_type
+);
+
+#keyset[id, index]
+protocol_composition_type_members(  //dir=type
+  int id: @protocol_composition_type ref,
+  int index: int ref,
+  int member: @type_or_none ref
+);
+
+@reference_storage_type =
+  @unmanaged_storage_type
+| @unowned_storage_type
+| @weak_storage_type
+;
+
+#keyset[id]
+reference_storage_types(  //dir=type
+  int id: @reference_storage_type ref,
+  int referent_type: @type_or_none ref
+);
+
+@substitutable_type =
+  @archetype_type
+| @generic_type_param_type
+;
+
+@sugar_type =
+  @paren_type
+| @syntax_sugar_type
+| @type_alias_type
+;
+
+tuple_types(  //dir=type
+  unique int id: @tuple_type
+);
+
+#keyset[id, index]
+tuple_type_types(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  int type_: @type_or_none ref
+);
+
+#keyset[id, index]
+tuple_type_names(  //dir=type
+  int id: @tuple_type ref,
+  int index: int ref,
+  string name: string ref
+);
+
+unresolved_types(  //dir=type
+  unique int id: @unresolved_type
+);
+
+@any_builtin_integer_type =
+  @builtin_integer_literal_type
+| @builtin_integer_type
+;
+
+@archetype_type =
+  @local_archetype_type
+| @opaque_type_archetype_type
+| @pack_archetype_type
+| @primary_archetype_type
+;
+
+#keyset[id]
+archetype_types(  //dir=type
+  int id: @archetype_type ref,
+  int interface_type: @type_or_none ref
+);
+
+#keyset[id]
+archetype_type_superclasses(  //dir=type
+  int id: @archetype_type ref,
+  int superclass: @type_or_none ref
+);
+
+#keyset[id, index]
+archetype_type_protocols(  //dir=type
+  int id: @archetype_type ref,
+  int index: int ref,
+  int protocol: @protocol_decl_or_none ref
+);
+
+builtin_bridge_object_types(  //dir=type
+  unique int id: @builtin_bridge_object_type
+);
+
+builtin_default_actor_storage_types(  //dir=type
+  unique int id: @builtin_default_actor_storage_type
+);
+
+builtin_executor_types(  //dir=type
+  unique int id: @builtin_executor_type
+);
+
+builtin_float_types(  //dir=type
+  unique int id: @builtin_float_type
+);
+
+builtin_job_types(  //dir=type
+  unique int id: @builtin_job_type
+);
+
+builtin_native_object_types(  //dir=type
+  unique int id: @builtin_native_object_type
+);
+
+builtin_raw_pointer_types(  //dir=type
+  unique int id: @builtin_raw_pointer_type
+);
+
+builtin_raw_unsafe_continuation_types(  //dir=type
+  unique int id: @builtin_raw_unsafe_continuation_type
+);
+
+builtin_unsafe_value_buffer_types(  //dir=type
+  unique int id: @builtin_unsafe_value_buffer_type
+);
+
+builtin_vector_types(  //dir=type
+  unique int id: @builtin_vector_type
+);
+
+existential_metatype_types(  //dir=type
+  unique int id: @existential_metatype_type
+);
+
+function_types(  //dir=type
+  unique int id: @function_type
+);
+
+generic_function_types(  //dir=type
+  unique int id: @generic_function_type
+);
+
+#keyset[id, index]
+generic_function_type_generic_params(  //dir=type
+  int id: @generic_function_type ref,
+  int index: int ref,
+  int generic_param: @generic_type_param_type_or_none ref
+);
+
+generic_type_param_types(  //dir=type
+  unique int id: @generic_type_param_type
+);
+
+metatype_types(  //dir=type
+  unique int id: @metatype_type
+);
+
+@nominal_or_bound_generic_nominal_type =
+  @bound_generic_type
+| @nominal_type
+;
+
+paren_types(  //dir=type
+  unique int id: @paren_type,
+  int type_: @type_or_none ref
+);
+
+@syntax_sugar_type =
+  @dictionary_type
+| @unary_syntax_sugar_type
+;
+
+type_alias_types(  //dir=type
+  unique int id: @type_alias_type,
+  int decl: @type_alias_decl_or_none ref
+);
+
+unbound_generic_types(  //dir=type
+  unique int id: @unbound_generic_type
+);
+
+unmanaged_storage_types(  //dir=type
+  unique int id: @unmanaged_storage_type
+);
+
+unowned_storage_types(  //dir=type
+  unique int id: @unowned_storage_type
+);
+
+weak_storage_types(  //dir=type
+  unique int id: @weak_storage_type
+);
+
+@bound_generic_type =
+  @bound_generic_class_type
+| @bound_generic_enum_type
+| @bound_generic_struct_type
+;
+
+#keyset[id, index]
+bound_generic_type_arg_types(  //dir=type
+  int id: @bound_generic_type ref,
+  int index: int ref,
+  int arg_type: @type_or_none ref
+);
+
+builtin_integer_literal_types(  //dir=type
+  unique int id: @builtin_integer_literal_type
+);
+
+builtin_integer_types(  //dir=type
+  unique int id: @builtin_integer_type
+);
+
+#keyset[id]
+builtin_integer_type_widths(  //dir=type
+  int id: @builtin_integer_type ref,
+  int width: int ref
+);
+
+dictionary_types(  //dir=type
+  unique int id: @dictionary_type,
+  int key_type: @type_or_none ref,
+  int value_type: @type_or_none ref
+);
+
+@local_archetype_type =
+  @element_archetype_type
+| @opened_archetype_type
+;
+
+@nominal_type =
+  @class_type
+| @enum_type
+| @protocol_type
+| @struct_type
+;
+
+opaque_type_archetype_types(  //dir=type
+  unique int id: @opaque_type_archetype_type,
+  int declaration: @opaque_type_decl_or_none ref
+);
+
+pack_archetype_types(  //dir=type
+  unique int id: @pack_archetype_type
+);
+
+primary_archetype_types(  //dir=type
+  unique int id: @primary_archetype_type
+);
+
+@unary_syntax_sugar_type =
+  @array_slice_type
+| @optional_type
+| @variadic_sequence_type
+;
+
+#keyset[id]
+unary_syntax_sugar_types(  //dir=type
+  int id: @unary_syntax_sugar_type ref,
+  int base_type: @type_or_none ref
+);
+
+array_slice_types(  //dir=type
+  unique int id: @array_slice_type
+);
+
+bound_generic_class_types(  //dir=type
+  unique int id: @bound_generic_class_type
+);
+
+bound_generic_enum_types(  //dir=type
+  unique int id: @bound_generic_enum_type
+);
+
+bound_generic_struct_types(  //dir=type
+  unique int id: @bound_generic_struct_type
+);
+
+class_types(  //dir=type
+  unique int id: @class_type
+);
+
+element_archetype_types(  //dir=type
+  unique int id: @element_archetype_type
+);
+
+enum_types(  //dir=type
+  unique int id: @enum_type
+);
+
+opened_archetype_types(  //dir=type
+  unique int id: @opened_archetype_type
+);
+
+optional_types(  //dir=type
+  unique int id: @optional_type
+);
+
+protocol_types(  //dir=type
+  unique int id: @protocol_type
+);
+
+struct_types(  //dir=type
+  unique int id: @struct_type
+);
+
+variadic_sequence_types(  //dir=type
+  unique int id: @variadic_sequence_type
+);
+
+@accessor_or_none =
+  @accessor
+| @unspecified_element
+;
+
+@argument_or_none =
+  @argument
+| @unspecified_element
+;
+
+@associated_type_decl_or_none =
+  @associated_type_decl
+| @unspecified_element
+;
+
+@ast_node_or_none =
+  @ast_node
+| @unspecified_element
+;
+
+@availability_info_or_none =
+  @availability_info
+| @unspecified_element
+;
+
+@availability_spec_or_none =
+  @availability_spec
+| @unspecified_element
+;
+
+@brace_stmt_or_none =
+  @brace_stmt
+| @unspecified_element
+;
+
+@captured_decl_or_none =
+  @captured_decl
+| @unspecified_element
+;
+
+@case_label_item_or_none =
+  @case_label_item
+| @unspecified_element
+;
+
+@case_stmt_or_none =
+  @case_stmt
+| @unspecified_element
+;
+
+@closure_expr_or_none =
+  @closure_expr
+| @unspecified_element
+;
+
+@condition_element_or_none =
+  @condition_element
+| @unspecified_element
+;
+
+@decl_or_none =
+  @decl
+| @unspecified_element
+;
+
+@enum_element_decl_or_none =
+  @enum_element_decl
+| @unspecified_element
+;
+
+@expr_or_none =
+  @expr
+| @unspecified_element
+;
+
+@file_or_none =
+  @file
+| @unspecified_element
+;
+
+@function_or_none =
+  @function
+| @unspecified_element
+;
+
+@generic_type_decl_or_none =
+  @generic_type_decl
+| @unspecified_element
+;
+
+@generic_type_param_decl_or_none =
+  @generic_type_param_decl
+| @unspecified_element
+;
+
+@generic_type_param_type_or_none =
+  @generic_type_param_type
+| @unspecified_element
+;
+
+@initializer_or_none =
+  @initializer
+| @unspecified_element
+;
+
+@key_path_component_or_none =
+  @key_path_component
+| @unspecified_element
+;
+
+@location_or_none =
+  @location
+| @unspecified_element
+;
+
+@module_decl_or_none =
+  @module_decl
+| @unspecified_element
+;
+
+@nominal_type_decl_or_none =
+  @nominal_type_decl
+| @unspecified_element
+;
+
+@opaque_type_decl_or_none =
+  @opaque_type_decl
+| @unspecified_element
+;
+
+@opaque_value_expr_or_none =
+  @opaque_value_expr
+| @unspecified_element
+;
+
+@param_decl_or_none =
+  @param_decl
+| @unspecified_element
+;
+
+@pattern_or_none =
+  @pattern
+| @unspecified_element
+;
+
+@pattern_binding_decl_or_none =
+  @pattern_binding_decl
+| @unspecified_element
+;
+
+@precedence_group_decl_or_none =
+  @precedence_group_decl
+| @unspecified_element
+;
+
+@protocol_decl_or_none =
+  @protocol_decl
+| @unspecified_element
+;
+
+@protocol_type_or_none =
+  @protocol_type
+| @unspecified_element
+;
+
+@stmt_or_none =
+  @stmt
+| @unspecified_element
+;
+
+@stmt_condition_or_none =
+  @stmt_condition
+| @unspecified_element
+;
+
+@string_literal_expr_or_none =
+  @string_literal_expr
+| @unspecified_element
+;
+
+@tap_expr_or_none =
+  @tap_expr
+| @unspecified_element
+;
+
+@type_or_none =
+  @type
+| @unspecified_element
+;
+
+@type_alias_decl_or_none =
+  @type_alias_decl
+| @unspecified_element
+;
+
+@type_repr_or_none =
+  @type_repr
+| @unspecified_element
+;
+
+@value_decl_or_none =
+  @unspecified_element
+| @value_decl
+;
+
+@var_decl_or_none =
+  @unspecified_element
+| @var_decl
+;
diff --git a/swift/ql/lib/upgrades/04ef9ecaa9e06a587f252f147462861e3d32846a/upgrade.properties b/swift/ql/lib/upgrades/04ef9ecaa9e06a587f252f147462861e3d32846a/upgrade.properties
new file mode 100644
index 00000000000..9c9c5ac8417
--- /dev/null
+++ b/swift/ql/lib/upgrades/04ef9ecaa9e06a587f252f147462861e3d32846a/upgrade.properties
@@ -0,0 +1,2 @@
+description: Added AST nodes related to move semantics
+compatibility: partial
diff --git a/swift/ql/test/extractor-tests/generated/expr/CopyExpr/ConsumeExpr.expected b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/ConsumeExpr.expected
new file mode 100644
index 00000000000..d9a7b040f1a
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/ConsumeExpr.expected
@@ -0,0 +1 @@
+| move_semantics.swift:5:9:5:17 | ConsumeExpr | hasType: | yes | getSubExpr: | move_semantics.swift:5:17:5:17 | x |
diff --git a/swift/ql/test/extractor-tests/generated/expr/CopyExpr/ConsumeExpr.ql b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/ConsumeExpr.ql
new file mode 100644
index 00000000000..f4b3e8b20e1
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/ConsumeExpr.ql
@@ -0,0 +1,11 @@
+// generated by codegen/codegen.py
+import codeql.swift.elements
+import TestUtils
+
+from ConsumeExpr x, string hasType, Expr getSubExpr
+where
+  toBeTested(x) and
+  not x.isUnknown() and
+  (if x.hasType() then hasType = "yes" else hasType = "no") and
+  getSubExpr = x.getSubExpr()
+select x, "hasType:", hasType, "getSubExpr:", getSubExpr
diff --git a/swift/ql/test/extractor-tests/generated/expr/CopyExpr/ConsumeExpr_getType.expected b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/ConsumeExpr_getType.expected
new file mode 100644
index 00000000000..7935a7393d6
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/ConsumeExpr_getType.expected
@@ -0,0 +1 @@
+| move_semantics.swift:5:9:5:17 | ConsumeExpr | Int |
diff --git a/swift/ql/test/extractor-tests/generated/expr/CopyExpr/ConsumeExpr_getType.ql b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/ConsumeExpr_getType.ql
new file mode 100644
index 00000000000..af3169711ed
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/ConsumeExpr_getType.ql
@@ -0,0 +1,7 @@
+// generated by codegen/codegen.py
+import codeql.swift.elements
+import TestUtils
+
+from ConsumeExpr x
+where toBeTested(x) and not x.isUnknown()
+select x, x.getType()
diff --git a/swift/ql/test/extractor-tests/generated/expr/CopyExpr/CopyExpr.expected b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/CopyExpr.expected
new file mode 100644
index 00000000000..fe6116b6ba0
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/CopyExpr.expected
@@ -0,0 +1 @@
+| move_semantics.swift:4:9:4:14 | CopyExpr | hasType: | yes | getSubExpr: | move_semantics.swift:4:14:4:14 | x |
diff --git a/swift/ql/test/extractor-tests/generated/expr/CopyExpr/CopyExpr.ql b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/CopyExpr.ql
new file mode 100644
index 00000000000..35ad827f1a6
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/CopyExpr.ql
@@ -0,0 +1,11 @@
+// generated by codegen/codegen.py
+import codeql.swift.elements
+import TestUtils
+
+from CopyExpr x, string hasType, Expr getSubExpr
+where
+  toBeTested(x) and
+  not x.isUnknown() and
+  (if x.hasType() then hasType = "yes" else hasType = "no") and
+  getSubExpr = x.getSubExpr()
+select x, "hasType:", hasType, "getSubExpr:", getSubExpr
diff --git a/swift/ql/test/extractor-tests/generated/expr/CopyExpr/CopyExpr_getType.expected b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/CopyExpr_getType.expected
new file mode 100644
index 00000000000..bd5fe619f05
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/CopyExpr_getType.expected
@@ -0,0 +1 @@
+| move_semantics.swift:4:9:4:14 | CopyExpr | Int |
diff --git a/swift/ql/test/extractor-tests/generated/expr/CopyExpr/CopyExpr_getType.ql b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/CopyExpr_getType.ql
new file mode 100644
index 00000000000..0264f4a4fcf
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/CopyExpr_getType.ql
@@ -0,0 +1,7 @@
+// generated by codegen/codegen.py
+import codeql.swift.elements
+import TestUtils
+
+from CopyExpr x
+where toBeTested(x) and not x.isUnknown()
+select x, x.getType()
diff --git a/swift/ql/test/extractor-tests/generated/expr/CopyExpr/move_semantics.swift b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/move_semantics.swift
new file mode 100644
index 00000000000..530cf4d0861
--- /dev/null
+++ b/swift/ql/test/extractor-tests/generated/expr/CopyExpr/move_semantics.swift
@@ -0,0 +1,5 @@
+//codeql-extractor-options: -enable-experimental-move-only
+
+let x = 42
+let _ = copy x
+let _ = consume x
diff --git a/swift/ql/test/extractor-tests/generated/expr/IdentityExpr/IdentityExpr.expected b/swift/ql/test/extractor-tests/generated/expr/IdentityExpr/IdentityExpr.expected
index 845dde278e1..9f489226544 100644
--- a/swift/ql/test/extractor-tests/generated/expr/IdentityExpr/IdentityExpr.expected
+++ b/swift/ql/test/extractor-tests/generated/expr/IdentityExpr/IdentityExpr.expected
@@ -1,8 +1,9 @@
-| identity_expressions.swift:4:9:4:14 | .self | DotSelfExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:4:9:4:9 | self |
-| identity_expressions.swift:4:9:4:21 | .self | DotSelfExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:4:9:4:19 | .x |
-| identity_expressions.swift:4:28:4:31 | (...) | ParenExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:4:29:4:29 | 42 |
-| identity_expressions.swift:8:5:8:9 | (...) | ParenExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:8:6:8:8 | call to A.init() |
-| identity_expressions.swift:11:28:11:43 | (...) | ParenExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:11:29:11:42 | await ... |
-| identity_expressions.swift:11:29:11:42 | await ... | AwaitExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:11:35:11:42 | call to create() |
-| identity_expressions.swift:14:5:14:21 | await ... | AwaitExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:14:11:14:21 | call to process() |
-| identity_expressions.swift:14:11:14:19 | (...) | ParenExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:14:12:14:12 | process() |
+| identity_expressions.swift:5:9:5:14 | .self | DotSelfExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:5:9:5:9 | self |
+| identity_expressions.swift:5:9:5:21 | .self | DotSelfExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:5:9:5:19 | .x |
+| identity_expressions.swift:5:28:5:31 | (...) | ParenExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:5:29:5:29 | 42 |
+| identity_expressions.swift:9:5:9:9 | (...) | ParenExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:9:6:9:8 | call to A.init() |
+| identity_expressions.swift:12:28:12:43 | (...) | ParenExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:12:29:12:42 | await ... |
+| identity_expressions.swift:12:29:12:42 | await ... | AwaitExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:12:35:12:42 | call to create() |
+| identity_expressions.swift:15:5:15:21 | await ... | AwaitExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:15:11:15:21 | call to process() |
+| identity_expressions.swift:15:11:15:19 | (...) | ParenExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:15:12:15:12 | process() |
+| identity_expressions.swift:18:9:18:17 | BorrowExpr | BorrowExpr | hasType: | yes | getSubExpr: | identity_expressions.swift:18:17:18:17 | x |
diff --git a/swift/ql/test/extractor-tests/generated/expr/IdentityExpr/IdentityExpr_getType.expected b/swift/ql/test/extractor-tests/generated/expr/IdentityExpr/IdentityExpr_getType.expected
index 025db5e1932..d4c7bd3ee97 100644
--- a/swift/ql/test/extractor-tests/generated/expr/IdentityExpr/IdentityExpr_getType.expected
+++ b/swift/ql/test/extractor-tests/generated/expr/IdentityExpr/IdentityExpr_getType.expected
@@ -1,8 +1,9 @@
-| identity_expressions.swift:4:9:4:14 | .self | A |
-| identity_expressions.swift:4:9:4:21 | .self | @lvalue Int |
-| identity_expressions.swift:4:28:4:31 | (...) | (Int) |
-| identity_expressions.swift:8:5:8:9 | (...) | (A) |
-| identity_expressions.swift:11:28:11:43 | (...) | (A) |
-| identity_expressions.swift:11:29:11:42 | await ... | A |
-| identity_expressions.swift:14:5:14:21 | await ... | () |
-| identity_expressions.swift:14:11:14:19 | (...) | (() async -> ()) |
+| identity_expressions.swift:5:9:5:14 | .self | A |
+| identity_expressions.swift:5:9:5:21 | .self | @lvalue Int |
+| identity_expressions.swift:5:28:5:31 | (...) | (Int) |
+| identity_expressions.swift:9:5:9:9 | (...) | (A) |
+| identity_expressions.swift:12:28:12:43 | (...) | (A) |
+| identity_expressions.swift:12:29:12:42 | await ... | A |
+| identity_expressions.swift:15:5:15:21 | await ... | () |
+| identity_expressions.swift:15:11:15:19 | (...) | (() async -> ()) |
+| identity_expressions.swift:18:9:18:17 | BorrowExpr | Int |
diff --git a/swift/ql/test/extractor-tests/generated/expr/IdentityExpr/identity_expressions.swift b/swift/ql/test/extractor-tests/generated/expr/IdentityExpr/identity_expressions.swift
index 586d0dad166..63ff2b690ce 100644
--- a/swift/ql/test/extractor-tests/generated/expr/IdentityExpr/identity_expressions.swift
+++ b/swift/ql/test/extractor-tests/generated/expr/IdentityExpr/identity_expressions.swift
@@ -1,3 +1,4 @@
+//codeql-extractor-options: -enable-experimental-move-only
 class A {
     var x: Int
     init() {
@@ -13,3 +14,5 @@ func process() async { _ = (await create())}
 Task.init {
     await (process)()
 }
+let x = 42
+let _ = _borrow x
diff --git a/swift/ql/test/library-tests/dataflow/taint/libraries/url.swift b/swift/ql/test/library-tests/dataflow/taint/libraries/url.swift
index 799eaa85807..b757805380b 100644
--- a/swift/ql/test/library-tests/dataflow/taint/libraries/url.swift
+++ b/swift/ql/test/library-tests/dataflow/taint/libraries/url.swift
@@ -159,11 +159,12 @@ struct URLRequest : CustomStringConvertible, CustomDebugStringConvertible {
 	enum NetworkServiceType { case none }
 	enum Attribution { case none }
 	var cachePolicy: CachePolicy = .none
-	var httpMethod: String = ""
-	var url: URL = URL(string: "")!
-	var httpBody: Data = Data("")
+	var httpMethod: String? = ""
+	var url: URL? = URL(string: "")
+	var httpBody: Data? = Data("")
 	var httpBodyStream: InputStream? = nil
 	var mainDocument: URL = URL(string: "")!
+	var mainDocumentURL: URL? = URL(string: "")
 	var allHTTPHeaderFields: [String : String]? = nil
 	var timeoutInterval: TimeInterval = TimeInterval()
 	var httpShouldHandleCookies: Bool = false
@@ -204,7 +205,6 @@ func sink(data: Data) {}
 func sink(string: String) {}
 func sink(int: Int) {}
 func sink(any: Any) {}
-
 func taintThroughURL() {
 	let clean = "http://example.com/"
 	let tainted = source() as! String
@@ -436,14 +436,16 @@ func taintThroughUrlRequest() {
 	sink(any: tainted.cachePolicy)
 	sink(any: clean.httpMethod)
 	sink(any: tainted.httpMethod)
-	sink(any: clean.url)
-	sink(any: tainted.url) // $ tainted=431
-	sink(any: clean.httpBody)
-	sink(any: tainted.httpBody) // $ tainted=431
+	sink(any: clean.url!)
+	sink(any: tainted.url!) // $ tainted=431
+	sink(any: clean.httpBody!)
+	sink(any: tainted.httpBody!) // $ tainted=431
 	sink(any: clean.httpBodyStream!)
 	sink(any: tainted.httpBodyStream!) // $ tainted=431
 	sink(any: clean.mainDocument)
 	sink(any: tainted.mainDocument) // $ tainted=431
+	sink(any: clean.mainDocumentURL!)
+	sink(any: tainted.mainDocumentURL!) // $ tainted=431
 	sink(any: clean.allHTTPHeaderFields!)
 	sink(any: tainted.allHTTPHeaderFields!) // $ tainted=431
 	sink(any: clean.timeoutInterval)
@@ -481,19 +483,19 @@ func taintThroughUrlResource() {
 	let tainted = source() as! URLResource
 
 	sink(string: clean.name)
-	sink(string: tainted.name) // $ tainted=481
+	sink(string: tainted.name) // $ tainted=483
 	sink(string: clean.subdirectory!)
-	sink(string: tainted.subdirectory!) // $ tainted=481
+	sink(string: tainted.subdirectory!) // $ tainted=483
 }
 
 func taintUrlAsync() async throws {
 	let tainted = source() as! String
 	let urlTainted = URL(string: tainted)!
 
-	sink(any: urlTainted.lines) // $ tainted=490
+	sink(any: urlTainted.lines) // $ tainted=492
 
 	for try await line in urlTainted.lines {
-		sink(string: line) // $ MISSING: tainted=490
+		sink(string: line) // $ MISSING: tainted=492
 	}
 }
 
@@ -510,5 +512,5 @@ func closureReturnValue() {
 		ptr in
 		return source() as! String
 	})
-	sink(string: r2) // $ tainted=511
+	sink(string: r2) // $ tainted=513
 }
diff --git a/swift/ql/test/library-tests/dataflow/taint/libraries/webview.swift b/swift/ql/test/library-tests/dataflow/taint/libraries/webview.swift
index 43b291163d6..92fb7d12498 100644
--- a/swift/ql/test/library-tests/dataflow/taint/libraries/webview.swift
+++ b/swift/ql/test/library-tests/dataflow/taint/libraries/webview.swift
@@ -76,7 +76,7 @@ struct URLRequest {}
 
 // --- tests ---
 
-func source() -> Any { return "" }
+func source(_ label: String? = "") -> Any { return "" }
 func sink(_: Any) {}
 
 func testInheritBodyTaint() {
@@ -146,6 +146,9 @@ func testWKUserScript() {
 }
 
 func testWKNavigationAction() {
-    let src = source() as! WKNavigationAction
-    sink(src.request) // $ tainted=149
-}
\ No newline at end of file
+    let src = source("WKNavigationAction") as! WKNavigationAction
+    sink(src.request) // $ tainted=WKNavigationAction
+
+    let keypath = \WKNavigationAction.request
+    sink(src[keyPath: keypath]) // $ tainted=WKNavigationAction
+}
diff --git a/swift/schema.py b/swift/schema.py
index 448f4cf0e63..9ae7368a839 100644
--- a/swift/schema.py
+++ b/swift/schema.py
@@ -1327,3 +1327,37 @@ class PackElementExpr(Expr):
     https://github.com/apple/swift-evolution/blob/main/proposals/0393-parameter-packs.md
     """
     sub_expr: Expr | child
+
+class CopyExpr(Expr):
+    """
+    An expression that forces value to be copied. In the example below, `copy` marks the copy expression:
+
+    ```
+    let y = ...
+    let x = copy y
+    ```
+    """
+    sub_expr: Expr | child
+
+@qltest.test_with(CopyExpr)
+class ConsumeExpr(Expr):
+    """
+    An expression that forces value to be moved. In the example below, `consume` marks the move expression:
+
+    ```
+    let y = ...
+    let x = consume y
+    ```
+    """
+    sub_expr: Expr | child
+
+class BorrowExpr(IdentityExpr):
+    """
+    An expression that marks value as borrowed. In the example below, `_borrow` marks the borrow expression:
+
+    ```
+    let y = ...
+    let x = _borrow y
+    ```
+    """
+    pass