diff --git a/rust/downgrades/3c1990e7f1da60ff6c53ee4f1ab85e1e7457e325/old.dbscheme b/rust/downgrades/3c1990e7f1da60ff6c53ee4f1ab85e1e7457e325/old.dbscheme
new file mode 100644
index 00000000000..3c1990e7f1d
--- /dev/null
+++ b/rust/downgrades/3c1990e7f1da60ff6c53ee4f1ab85e1e7457e325/old.dbscheme
@@ -0,0 +1,3644 @@
+// generated by codegen, do not edit
+
+// from ../shared/tree-sitter-extractor/src/generator/prefix.dbscheme
+/*- Files and folders -*/
+
+/**
+ * The location of an element.
+ * The location spans column `startcolumn` of line `startline` to
+ * column `endcolumn` of line `endline` in file `file`.
+ * For more information, see
+ * [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
+ */
+locations_default(
+  unique int id: @location_default,
+  int file: @file ref,
+  int beginLine: int ref,
+  int beginColumn: int ref,
+  int endLine: int ref,
+  int endColumn: int ref
+);
+
+files(
+  unique int id: @file,
+  string name: string ref
+);
+
+folders(
+  unique int id: @folder,
+  string name: string ref
+);
+
+@container = @file | @folder
+
+containerparent(
+  int parent: @container ref,
+  unique int child: @container ref
+);
+
+/*- Empty location -*/
+
+empty_location(
+  int location: @location_default ref
+);
+
+/*- Source location prefix -*/
+
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(string prefix : string ref);
+
+/*- Diagnostic messages -*/
+
+diagnostics(
+  unique int id: @diagnostic,
+  int severity: int ref,
+  string error_tag: string ref,
+  string error_message: string ref,
+  string full_error_message: string ref,
+  int location: @location_default ref
+);
+
+/*- Diagnostic messages: severity -*/
+
+case @diagnostic.severity of
+  10 = @diagnostic_debug
+| 20 = @diagnostic_info
+| 30 = @diagnostic_warning
+| 40 = @diagnostic_error
+;
+
+/*- YAML -*/
+
+#keyset[parent, idx]
+yaml (unique int id: @yaml_node,
+      int kind: int ref,
+      int parent: @yaml_node_parent ref,
+      int idx: int ref,
+      string tag: string ref,
+      string tostring: string ref);
+
+case @yaml_node.kind of
+  0 = @yaml_scalar_node
+| 1 = @yaml_mapping_node
+| 2 = @yaml_sequence_node
+| 3 = @yaml_alias_node
+;
+
+@yaml_collection_node = @yaml_mapping_node | @yaml_sequence_node;
+
+@yaml_node_parent = @yaml_collection_node | @file;
+
+yaml_anchors (unique int node: @yaml_node ref,
+              string anchor: string ref);
+
+yaml_aliases (unique int alias: @yaml_alias_node ref,
+              string target: string ref);
+
+yaml_scalars (unique int scalar: @yaml_scalar_node ref,
+              int style: int ref,
+              string value: string ref);
+
+yaml_errors (unique int id: @yaml_error,
+             string message: string ref);
+
+yaml_locations(unique int locatable: @yaml_locatable ref,
+             int location: @location_default ref);
+
+@yaml_locatable = @yaml_node | @yaml_error;
+
+/*- Database metadata -*/
+databaseMetadata(
+  string metadataKey: string ref,
+  string value: string ref
+);
+
+overlayChangedFiles(
+  string path: string ref
+);
+
+
+// from prefix.dbscheme
+#keyset[id]
+locatable_locations(
+  int id: @locatable ref,
+  int location: @location_default ref
+);
+
+
+// from schema
+
+@element =
+  @extractor_step
+| @locatable
+| @named_crate
+| @unextracted
+;
+
+extractor_steps(
+  unique int id: @extractor_step,
+  string action: string ref,
+  int duration_ms: int ref
+);
+
+#keyset[id]
+extractor_step_files(
+  int id: @extractor_step ref,
+  int file: @file ref
+);
+
+@locatable =
+  @ast_node
+| @crate
+;
+
+named_crates(
+  unique int id: @named_crate,
+  string name: string ref,
+  int crate: @crate ref
+);
+
+@unextracted =
+  @missing
+| @unimplemented
+;
+
+@ast_node =
+  @abi
+| @addressable
+| @arg_list
+| @asm_dir_spec
+| @asm_operand
+| @asm_operand_expr
+| @asm_option
+| @asm_piece
+| @asm_reg_spec
+| @assoc_item_list
+| @attr
+| @callable
+| @expr
+| @extern_item_list
+| @field_list
+| @for_binder
+| @format_args_arg
+| @generic_arg
+| @generic_arg_list
+| @generic_param
+| @generic_param_list
+| @item_list
+| @label
+| @let_else
+| @macro_items
+| @match_arm
+| @match_arm_list
+| @match_guard
+| @meta
+| @name
+| @param_base
+| @param_list
+| @parenthesized_arg_list
+| @pat
+| @path
+| @path_segment
+| @rename
+| @resolvable
+| @ret_type_repr
+| @return_type_syntax
+| @source_file
+| @stmt
+| @stmt_list
+| @struct_expr_field
+| @struct_expr_field_list
+| @struct_field
+| @struct_pat_field
+| @struct_pat_field_list
+| @token
+| @token_tree
+| @tuple_field
+| @type_bound
+| @type_bound_list
+| @type_repr
+| @use_bound_generic_arg
+| @use_bound_generic_args
+| @use_tree
+| @use_tree_list
+| @variant_list
+| @visibility
+| @where_clause
+| @where_pred
+;
+
+crates(
+  unique int id: @crate
+);
+
+#keyset[id]
+crate_names(
+  int id: @crate ref,
+  string name: string ref
+);
+
+#keyset[id]
+crate_versions(
+  int id: @crate ref,
+  string version: string ref
+);
+
+#keyset[id, index]
+crate_cfg_options(
+  int id: @crate ref,
+  int index: int ref,
+  string cfg_option: string ref
+);
+
+#keyset[id, index]
+crate_named_dependencies(
+  int id: @crate ref,
+  int index: int ref,
+  int named_dependency: @named_crate ref
+);
+
+missings(
+  unique int id: @missing
+);
+
+unimplementeds(
+  unique int id: @unimplemented
+);
+
+abis(
+  unique int id: @abi
+);
+
+#keyset[id]
+abi_abi_strings(
+  int id: @abi ref,
+  string abi_string: string ref
+);
+
+@addressable =
+  @item
+| @variant
+;
+
+#keyset[id]
+addressable_extended_canonical_paths(
+  int id: @addressable ref,
+  string extended_canonical_path: string ref
+);
+
+#keyset[id]
+addressable_crate_origins(
+  int id: @addressable ref,
+  string crate_origin: string ref
+);
+
+arg_lists(
+  unique int id: @arg_list
+);
+
+#keyset[id, index]
+arg_list_args(
+  int id: @arg_list ref,
+  int index: int ref,
+  int arg: @expr ref
+);
+
+asm_dir_specs(
+  unique int id: @asm_dir_spec
+);
+
+@asm_operand =
+  @asm_const
+| @asm_label
+| @asm_reg_operand
+| @asm_sym
+;
+
+asm_operand_exprs(
+  unique int id: @asm_operand_expr
+);
+
+#keyset[id]
+asm_operand_expr_in_exprs(
+  int id: @asm_operand_expr ref,
+  int in_expr: @expr ref
+);
+
+#keyset[id]
+asm_operand_expr_out_exprs(
+  int id: @asm_operand_expr ref,
+  int out_expr: @expr ref
+);
+
+asm_options(
+  unique int id: @asm_option
+);
+
+#keyset[id]
+asm_option_is_raw(
+  int id: @asm_option ref
+);
+
+@asm_piece =
+  @asm_clobber_abi
+| @asm_operand_named
+| @asm_options_list
+;
+
+asm_reg_specs(
+  unique int id: @asm_reg_spec
+);
+
+#keyset[id]
+asm_reg_spec_identifiers(
+  int id: @asm_reg_spec ref,
+  int identifier: @name_ref ref
+);
+
+assoc_item_lists(
+  unique int id: @assoc_item_list
+);
+
+#keyset[id, index]
+assoc_item_list_assoc_items(
+  int id: @assoc_item_list ref,
+  int index: int ref,
+  int assoc_item: @assoc_item ref
+);
+
+#keyset[id, index]
+assoc_item_list_attrs(
+  int id: @assoc_item_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+attrs(
+  unique int id: @attr
+);
+
+#keyset[id]
+attr_meta(
+  int id: @attr ref,
+  int meta: @meta ref
+);
+
+@callable =
+  @closure_expr
+| @function
+;
+
+#keyset[id]
+callable_param_lists(
+  int id: @callable ref,
+  int param_list: @param_list ref
+);
+
+#keyset[id, index]
+callable_attrs(
+  int id: @callable ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+@expr =
+  @array_expr_internal
+| @asm_expr
+| @await_expr
+| @become_expr
+| @binary_expr
+| @break_expr
+| @call_expr_base
+| @cast_expr
+| @closure_expr
+| @continue_expr
+| @field_expr
+| @format_args_expr
+| @if_expr
+| @index_expr
+| @labelable_expr
+| @let_expr
+| @literal_expr
+| @macro_block_expr
+| @macro_expr
+| @match_expr
+| @offset_of_expr
+| @paren_expr
+| @path_expr_base
+| @prefix_expr
+| @range_expr
+| @ref_expr
+| @return_expr
+| @struct_expr
+| @try_expr
+| @tuple_expr
+| @underscore_expr
+| @yeet_expr
+| @yield_expr
+;
+
+extern_item_lists(
+  unique int id: @extern_item_list
+);
+
+#keyset[id, index]
+extern_item_list_attrs(
+  int id: @extern_item_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+extern_item_list_extern_items(
+  int id: @extern_item_list ref,
+  int index: int ref,
+  int extern_item: @extern_item ref
+);
+
+@field_list =
+  @struct_field_list
+| @tuple_field_list
+;
+
+for_binders(
+  unique int id: @for_binder
+);
+
+#keyset[id]
+for_binder_generic_param_lists(
+  int id: @for_binder ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+format_args_args(
+  unique int id: @format_args_arg
+);
+
+#keyset[id]
+format_args_arg_exprs(
+  int id: @format_args_arg ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+format_args_arg_names(
+  int id: @format_args_arg ref,
+  int name: @name ref
+);
+
+@generic_arg =
+  @assoc_type_arg
+| @const_arg
+| @lifetime_arg
+| @type_arg
+;
+
+generic_arg_lists(
+  unique int id: @generic_arg_list
+);
+
+#keyset[id, index]
+generic_arg_list_generic_args(
+  int id: @generic_arg_list ref,
+  int index: int ref,
+  int generic_arg: @generic_arg ref
+);
+
+@generic_param =
+  @const_param
+| @lifetime_param
+| @type_param
+;
+
+generic_param_lists(
+  unique int id: @generic_param_list
+);
+
+#keyset[id, index]
+generic_param_list_generic_params(
+  int id: @generic_param_list ref,
+  int index: int ref,
+  int generic_param: @generic_param ref
+);
+
+item_lists(
+  unique int id: @item_list
+);
+
+#keyset[id, index]
+item_list_attrs(
+  int id: @item_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+item_list_items(
+  int id: @item_list ref,
+  int index: int ref,
+  int item: @item ref
+);
+
+labels(
+  unique int id: @label
+);
+
+#keyset[id]
+label_lifetimes(
+  int id: @label ref,
+  int lifetime: @lifetime ref
+);
+
+let_elses(
+  unique int id: @let_else
+);
+
+#keyset[id]
+let_else_block_exprs(
+  int id: @let_else ref,
+  int block_expr: @block_expr ref
+);
+
+macro_items(
+  unique int id: @macro_items
+);
+
+#keyset[id, index]
+macro_items_items(
+  int id: @macro_items ref,
+  int index: int ref,
+  int item: @item ref
+);
+
+match_arms(
+  unique int id: @match_arm
+);
+
+#keyset[id, index]
+match_arm_attrs(
+  int id: @match_arm ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+match_arm_exprs(
+  int id: @match_arm ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+match_arm_guards(
+  int id: @match_arm ref,
+  int guard: @match_guard ref
+);
+
+#keyset[id]
+match_arm_pats(
+  int id: @match_arm ref,
+  int pat: @pat ref
+);
+
+match_arm_lists(
+  unique int id: @match_arm_list
+);
+
+#keyset[id, index]
+match_arm_list_arms(
+  int id: @match_arm_list ref,
+  int index: int ref,
+  int arm: @match_arm ref
+);
+
+#keyset[id, index]
+match_arm_list_attrs(
+  int id: @match_arm_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+match_guards(
+  unique int id: @match_guard
+);
+
+#keyset[id]
+match_guard_conditions(
+  int id: @match_guard ref,
+  int condition: @expr ref
+);
+
+meta(
+  unique int id: @meta
+);
+
+#keyset[id]
+meta_exprs(
+  int id: @meta ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+meta_is_unsafe(
+  int id: @meta ref
+);
+
+#keyset[id]
+meta_paths(
+  int id: @meta ref,
+  int path: @path ref
+);
+
+#keyset[id]
+meta_token_trees(
+  int id: @meta ref,
+  int token_tree: @token_tree ref
+);
+
+names(
+  unique int id: @name
+);
+
+#keyset[id]
+name_texts(
+  int id: @name ref,
+  string text: string ref
+);
+
+@param_base =
+  @param
+| @self_param
+;
+
+#keyset[id, index]
+param_base_attrs(
+  int id: @param_base ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+param_base_type_reprs(
+  int id: @param_base ref,
+  int type_repr: @type_repr ref
+);
+
+param_lists(
+  unique int id: @param_list
+);
+
+#keyset[id, index]
+param_list_params(
+  int id: @param_list ref,
+  int index: int ref,
+  int param: @param ref
+);
+
+#keyset[id]
+param_list_self_params(
+  int id: @param_list ref,
+  int self_param: @self_param ref
+);
+
+parenthesized_arg_lists(
+  unique int id: @parenthesized_arg_list
+);
+
+#keyset[id, index]
+parenthesized_arg_list_type_args(
+  int id: @parenthesized_arg_list ref,
+  int index: int ref,
+  int type_arg: @type_arg ref
+);
+
+@pat =
+  @box_pat
+| @const_block_pat
+| @ident_pat
+| @literal_pat
+| @macro_pat
+| @or_pat
+| @paren_pat
+| @path_pat
+| @range_pat
+| @ref_pat
+| @rest_pat
+| @slice_pat
+| @struct_pat
+| @tuple_pat
+| @tuple_struct_pat
+| @wildcard_pat
+;
+
+paths(
+  unique int id: @path
+);
+
+#keyset[id]
+path_qualifiers(
+  int id: @path ref,
+  int qualifier: @path ref
+);
+
+#keyset[id]
+path_segments_(
+  int id: @path ref,
+  int segment: @path_segment ref
+);
+
+path_segments(
+  unique int id: @path_segment
+);
+
+#keyset[id]
+path_segment_generic_arg_lists(
+  int id: @path_segment ref,
+  int generic_arg_list: @generic_arg_list ref
+);
+
+#keyset[id]
+path_segment_identifiers(
+  int id: @path_segment ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+path_segment_parenthesized_arg_lists(
+  int id: @path_segment ref,
+  int parenthesized_arg_list: @parenthesized_arg_list ref
+);
+
+#keyset[id]
+path_segment_ret_types(
+  int id: @path_segment ref,
+  int ret_type: @ret_type_repr ref
+);
+
+#keyset[id]
+path_segment_return_type_syntaxes(
+  int id: @path_segment ref,
+  int return_type_syntax: @return_type_syntax ref
+);
+
+#keyset[id]
+path_segment_type_reprs(
+  int id: @path_segment ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+path_segment_trait_type_reprs(
+  int id: @path_segment ref,
+  int trait_type_repr: @path_type_repr ref
+);
+
+renames(
+  unique int id: @rename
+);
+
+#keyset[id]
+rename_names(
+  int id: @rename ref,
+  int name: @name ref
+);
+
+@resolvable =
+  @method_call_expr
+| @path_ast_node
+;
+
+#keyset[id]
+resolvable_resolved_paths(
+  int id: @resolvable ref,
+  string resolved_path: string ref
+);
+
+#keyset[id]
+resolvable_resolved_crate_origins(
+  int id: @resolvable ref,
+  string resolved_crate_origin: string ref
+);
+
+ret_type_reprs(
+  unique int id: @ret_type_repr
+);
+
+#keyset[id]
+ret_type_repr_type_reprs(
+  int id: @ret_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+return_type_syntaxes(
+  unique int id: @return_type_syntax
+);
+
+source_files(
+  unique int id: @source_file
+);
+
+#keyset[id, index]
+source_file_attrs(
+  int id: @source_file ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+source_file_items(
+  int id: @source_file ref,
+  int index: int ref,
+  int item: @item ref
+);
+
+@stmt =
+  @expr_stmt
+| @item
+| @let_stmt
+;
+
+stmt_lists(
+  unique int id: @stmt_list
+);
+
+#keyset[id, index]
+stmt_list_attrs(
+  int id: @stmt_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+stmt_list_statements(
+  int id: @stmt_list ref,
+  int index: int ref,
+  int statement: @stmt ref
+);
+
+#keyset[id]
+stmt_list_tail_exprs(
+  int id: @stmt_list ref,
+  int tail_expr: @expr ref
+);
+
+struct_expr_fields(
+  unique int id: @struct_expr_field
+);
+
+#keyset[id, index]
+struct_expr_field_attrs(
+  int id: @struct_expr_field ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+struct_expr_field_exprs(
+  int id: @struct_expr_field ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+struct_expr_field_identifiers(
+  int id: @struct_expr_field ref,
+  int identifier: @name_ref ref
+);
+
+struct_expr_field_lists(
+  unique int id: @struct_expr_field_list
+);
+
+#keyset[id, index]
+struct_expr_field_list_attrs(
+  int id: @struct_expr_field_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+struct_expr_field_list_fields(
+  int id: @struct_expr_field_list ref,
+  int index: int ref,
+  int field: @struct_expr_field ref
+);
+
+#keyset[id]
+struct_expr_field_list_spreads(
+  int id: @struct_expr_field_list ref,
+  int spread: @expr ref
+);
+
+struct_fields(
+  unique int id: @struct_field
+);
+
+#keyset[id, index]
+struct_field_attrs(
+  int id: @struct_field ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+struct_field_defaults(
+  int id: @struct_field ref,
+  int default: @expr ref
+);
+
+#keyset[id]
+struct_field_is_unsafe(
+  int id: @struct_field ref
+);
+
+#keyset[id]
+struct_field_names(
+  int id: @struct_field ref,
+  int name: @name ref
+);
+
+#keyset[id]
+struct_field_type_reprs(
+  int id: @struct_field ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+struct_field_visibilities(
+  int id: @struct_field ref,
+  int visibility: @visibility ref
+);
+
+struct_pat_fields(
+  unique int id: @struct_pat_field
+);
+
+#keyset[id, index]
+struct_pat_field_attrs(
+  int id: @struct_pat_field ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+struct_pat_field_identifiers(
+  int id: @struct_pat_field ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+struct_pat_field_pats(
+  int id: @struct_pat_field ref,
+  int pat: @pat ref
+);
+
+struct_pat_field_lists(
+  unique int id: @struct_pat_field_list
+);
+
+#keyset[id, index]
+struct_pat_field_list_fields(
+  int id: @struct_pat_field_list ref,
+  int index: int ref,
+  int field: @struct_pat_field ref
+);
+
+#keyset[id]
+struct_pat_field_list_rest_pats(
+  int id: @struct_pat_field_list ref,
+  int rest_pat: @rest_pat ref
+);
+
+@token =
+  @comment
+;
+
+token_trees(
+  unique int id: @token_tree
+);
+
+tuple_fields(
+  unique int id: @tuple_field
+);
+
+#keyset[id, index]
+tuple_field_attrs(
+  int id: @tuple_field ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+tuple_field_type_reprs(
+  int id: @tuple_field ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+tuple_field_visibilities(
+  int id: @tuple_field ref,
+  int visibility: @visibility ref
+);
+
+type_bounds(
+  unique int id: @type_bound
+);
+
+#keyset[id]
+type_bound_for_binders(
+  int id: @type_bound ref,
+  int for_binder: @for_binder ref
+);
+
+#keyset[id]
+type_bound_is_async(
+  int id: @type_bound ref
+);
+
+#keyset[id]
+type_bound_is_const(
+  int id: @type_bound ref
+);
+
+#keyset[id]
+type_bound_lifetimes(
+  int id: @type_bound ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+type_bound_type_reprs(
+  int id: @type_bound ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+type_bound_use_bound_generic_args(
+  int id: @type_bound ref,
+  int use_bound_generic_args: @use_bound_generic_args ref
+);
+
+type_bound_lists(
+  unique int id: @type_bound_list
+);
+
+#keyset[id, index]
+type_bound_list_bounds(
+  int id: @type_bound_list ref,
+  int index: int ref,
+  int bound: @type_bound ref
+);
+
+@type_repr =
+  @array_type_repr
+| @dyn_trait_type_repr
+| @fn_ptr_type_repr
+| @for_type_repr
+| @impl_trait_type_repr
+| @infer_type_repr
+| @macro_type_repr
+| @never_type_repr
+| @paren_type_repr
+| @path_type_repr
+| @ptr_type_repr
+| @ref_type_repr
+| @slice_type_repr
+| @tuple_type_repr
+;
+
+@use_bound_generic_arg =
+  @lifetime
+| @name_ref
+;
+
+use_bound_generic_args(
+  unique int id: @use_bound_generic_args
+);
+
+#keyset[id, index]
+use_bound_generic_args_use_bound_generic_args(
+  int id: @use_bound_generic_args ref,
+  int index: int ref,
+  int use_bound_generic_arg: @use_bound_generic_arg ref
+);
+
+use_trees(
+  unique int id: @use_tree
+);
+
+#keyset[id]
+use_tree_is_glob(
+  int id: @use_tree ref
+);
+
+#keyset[id]
+use_tree_paths(
+  int id: @use_tree ref,
+  int path: @path ref
+);
+
+#keyset[id]
+use_tree_renames(
+  int id: @use_tree ref,
+  int rename: @rename ref
+);
+
+#keyset[id]
+use_tree_use_tree_lists(
+  int id: @use_tree ref,
+  int use_tree_list: @use_tree_list ref
+);
+
+use_tree_lists(
+  unique int id: @use_tree_list
+);
+
+#keyset[id, index]
+use_tree_list_use_trees(
+  int id: @use_tree_list ref,
+  int index: int ref,
+  int use_tree: @use_tree ref
+);
+
+variant_lists(
+  unique int id: @variant_list
+);
+
+#keyset[id, index]
+variant_list_variants(
+  int id: @variant_list ref,
+  int index: int ref,
+  int variant: @variant ref
+);
+
+visibilities(
+  unique int id: @visibility
+);
+
+#keyset[id]
+visibility_paths(
+  int id: @visibility ref,
+  int path: @path ref
+);
+
+where_clauses(
+  unique int id: @where_clause
+);
+
+#keyset[id, index]
+where_clause_predicates(
+  int id: @where_clause ref,
+  int index: int ref,
+  int predicate: @where_pred ref
+);
+
+where_preds(
+  unique int id: @where_pred
+);
+
+#keyset[id]
+where_pred_for_binders(
+  int id: @where_pred ref,
+  int for_binder: @for_binder ref
+);
+
+#keyset[id]
+where_pred_lifetimes(
+  int id: @where_pred ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+where_pred_type_reprs(
+  int id: @where_pred ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+where_pred_type_bound_lists(
+  int id: @where_pred ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+array_expr_internals(
+  unique int id: @array_expr_internal
+);
+
+#keyset[id, index]
+array_expr_internal_attrs(
+  int id: @array_expr_internal ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+array_expr_internal_exprs(
+  int id: @array_expr_internal ref,
+  int index: int ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+array_expr_internal_is_semicolon(
+  int id: @array_expr_internal ref
+);
+
+array_type_reprs(
+  unique int id: @array_type_repr
+);
+
+#keyset[id]
+array_type_repr_const_args(
+  int id: @array_type_repr ref,
+  int const_arg: @const_arg ref
+);
+
+#keyset[id]
+array_type_repr_element_type_reprs(
+  int id: @array_type_repr ref,
+  int element_type_repr: @type_repr ref
+);
+
+asm_clobber_abis(
+  unique int id: @asm_clobber_abi
+);
+
+asm_consts(
+  unique int id: @asm_const
+);
+
+#keyset[id]
+asm_const_exprs(
+  int id: @asm_const ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+asm_const_is_const(
+  int id: @asm_const ref
+);
+
+asm_labels(
+  unique int id: @asm_label
+);
+
+#keyset[id]
+asm_label_block_exprs(
+  int id: @asm_label ref,
+  int block_expr: @block_expr ref
+);
+
+asm_operand_nameds(
+  unique int id: @asm_operand_named
+);
+
+#keyset[id]
+asm_operand_named_asm_operands(
+  int id: @asm_operand_named ref,
+  int asm_operand: @asm_operand ref
+);
+
+#keyset[id]
+asm_operand_named_names(
+  int id: @asm_operand_named ref,
+  int name: @name ref
+);
+
+asm_options_lists(
+  unique int id: @asm_options_list
+);
+
+#keyset[id, index]
+asm_options_list_asm_options(
+  int id: @asm_options_list ref,
+  int index: int ref,
+  int asm_option: @asm_option ref
+);
+
+asm_reg_operands(
+  unique int id: @asm_reg_operand
+);
+
+#keyset[id]
+asm_reg_operand_asm_dir_specs(
+  int id: @asm_reg_operand ref,
+  int asm_dir_spec: @asm_dir_spec ref
+);
+
+#keyset[id]
+asm_reg_operand_asm_operand_exprs(
+  int id: @asm_reg_operand ref,
+  int asm_operand_expr: @asm_operand_expr ref
+);
+
+#keyset[id]
+asm_reg_operand_asm_reg_specs(
+  int id: @asm_reg_operand ref,
+  int asm_reg_spec: @asm_reg_spec ref
+);
+
+asm_syms(
+  unique int id: @asm_sym
+);
+
+#keyset[id]
+asm_sym_paths(
+  int id: @asm_sym ref,
+  int path: @path ref
+);
+
+assoc_type_args(
+  unique int id: @assoc_type_arg
+);
+
+#keyset[id]
+assoc_type_arg_const_args(
+  int id: @assoc_type_arg ref,
+  int const_arg: @const_arg ref
+);
+
+#keyset[id]
+assoc_type_arg_generic_arg_lists(
+  int id: @assoc_type_arg ref,
+  int generic_arg_list: @generic_arg_list ref
+);
+
+#keyset[id]
+assoc_type_arg_identifiers(
+  int id: @assoc_type_arg ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+assoc_type_arg_param_lists(
+  int id: @assoc_type_arg ref,
+  int param_list: @param_list ref
+);
+
+#keyset[id]
+assoc_type_arg_ret_types(
+  int id: @assoc_type_arg ref,
+  int ret_type: @ret_type_repr ref
+);
+
+#keyset[id]
+assoc_type_arg_return_type_syntaxes(
+  int id: @assoc_type_arg ref,
+  int return_type_syntax: @return_type_syntax ref
+);
+
+#keyset[id]
+assoc_type_arg_type_reprs(
+  int id: @assoc_type_arg ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+assoc_type_arg_type_bound_lists(
+  int id: @assoc_type_arg ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+await_exprs(
+  unique int id: @await_expr
+);
+
+#keyset[id, index]
+await_expr_attrs(
+  int id: @await_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+await_expr_exprs(
+  int id: @await_expr ref,
+  int expr: @expr ref
+);
+
+become_exprs(
+  unique int id: @become_expr
+);
+
+#keyset[id, index]
+become_expr_attrs(
+  int id: @become_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+become_expr_exprs(
+  int id: @become_expr ref,
+  int expr: @expr ref
+);
+
+binary_exprs(
+  unique int id: @binary_expr
+);
+
+#keyset[id, index]
+binary_expr_attrs(
+  int id: @binary_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+binary_expr_lhs(
+  int id: @binary_expr ref,
+  int lhs: @expr ref
+);
+
+#keyset[id]
+binary_expr_operator_names(
+  int id: @binary_expr ref,
+  string operator_name: string ref
+);
+
+#keyset[id]
+binary_expr_rhs(
+  int id: @binary_expr ref,
+  int rhs: @expr ref
+);
+
+box_pats(
+  unique int id: @box_pat
+);
+
+#keyset[id]
+box_pat_pats(
+  int id: @box_pat ref,
+  int pat: @pat ref
+);
+
+break_exprs(
+  unique int id: @break_expr
+);
+
+#keyset[id, index]
+break_expr_attrs(
+  int id: @break_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+break_expr_exprs(
+  int id: @break_expr ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+break_expr_lifetimes(
+  int id: @break_expr ref,
+  int lifetime: @lifetime ref
+);
+
+@call_expr_base =
+  @call_expr
+| @method_call_expr
+;
+
+#keyset[id]
+call_expr_base_arg_lists(
+  int id: @call_expr_base ref,
+  int arg_list: @arg_list ref
+);
+
+#keyset[id, index]
+call_expr_base_attrs(
+  int id: @call_expr_base ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+cast_exprs(
+  unique int id: @cast_expr
+);
+
+#keyset[id, index]
+cast_expr_attrs(
+  int id: @cast_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+cast_expr_exprs(
+  int id: @cast_expr ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+cast_expr_type_reprs(
+  int id: @cast_expr ref,
+  int type_repr: @type_repr ref
+);
+
+closure_exprs(
+  unique int id: @closure_expr
+);
+
+#keyset[id]
+closure_expr_bodies(
+  int id: @closure_expr ref,
+  int body: @expr ref
+);
+
+#keyset[id]
+closure_expr_for_binders(
+  int id: @closure_expr ref,
+  int for_binder: @for_binder ref
+);
+
+#keyset[id]
+closure_expr_is_async(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_is_const(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_is_gen(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_is_move(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_is_static(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_ret_types(
+  int id: @closure_expr ref,
+  int ret_type: @ret_type_repr ref
+);
+
+comments(
+  unique int id: @comment,
+  int parent: @ast_node ref,
+  string text: string ref
+);
+
+const_args(
+  unique int id: @const_arg
+);
+
+#keyset[id]
+const_arg_exprs(
+  int id: @const_arg ref,
+  int expr: @expr ref
+);
+
+const_block_pats(
+  unique int id: @const_block_pat
+);
+
+#keyset[id]
+const_block_pat_block_exprs(
+  int id: @const_block_pat ref,
+  int block_expr: @block_expr ref
+);
+
+#keyset[id]
+const_block_pat_is_const(
+  int id: @const_block_pat ref
+);
+
+const_params(
+  unique int id: @const_param
+);
+
+#keyset[id, index]
+const_param_attrs(
+  int id: @const_param ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+const_param_default_vals(
+  int id: @const_param ref,
+  int default_val: @const_arg ref
+);
+
+#keyset[id]
+const_param_is_const(
+  int id: @const_param ref
+);
+
+#keyset[id]
+const_param_names(
+  int id: @const_param ref,
+  int name: @name ref
+);
+
+#keyset[id]
+const_param_type_reprs(
+  int id: @const_param ref,
+  int type_repr: @type_repr ref
+);
+
+continue_exprs(
+  unique int id: @continue_expr
+);
+
+#keyset[id, index]
+continue_expr_attrs(
+  int id: @continue_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+continue_expr_lifetimes(
+  int id: @continue_expr ref,
+  int lifetime: @lifetime ref
+);
+
+dyn_trait_type_reprs(
+  unique int id: @dyn_trait_type_repr
+);
+
+#keyset[id]
+dyn_trait_type_repr_type_bound_lists(
+  int id: @dyn_trait_type_repr ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+expr_stmts(
+  unique int id: @expr_stmt
+);
+
+#keyset[id]
+expr_stmt_exprs(
+  int id: @expr_stmt ref,
+  int expr: @expr ref
+);
+
+field_exprs(
+  unique int id: @field_expr
+);
+
+#keyset[id, index]
+field_expr_attrs(
+  int id: @field_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+field_expr_containers(
+  int id: @field_expr ref,
+  int container: @expr ref
+);
+
+#keyset[id]
+field_expr_identifiers(
+  int id: @field_expr ref,
+  int identifier: @name_ref ref
+);
+
+fn_ptr_type_reprs(
+  unique int id: @fn_ptr_type_repr
+);
+
+#keyset[id]
+fn_ptr_type_repr_abis(
+  int id: @fn_ptr_type_repr ref,
+  int abi: @abi ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_is_async(
+  int id: @fn_ptr_type_repr ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_is_const(
+  int id: @fn_ptr_type_repr ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_is_unsafe(
+  int id: @fn_ptr_type_repr ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_param_lists(
+  int id: @fn_ptr_type_repr ref,
+  int param_list: @param_list ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_ret_types(
+  int id: @fn_ptr_type_repr ref,
+  int ret_type: @ret_type_repr ref
+);
+
+for_type_reprs(
+  unique int id: @for_type_repr
+);
+
+#keyset[id]
+for_type_repr_for_binders(
+  int id: @for_type_repr ref,
+  int for_binder: @for_binder ref
+);
+
+#keyset[id]
+for_type_repr_type_reprs(
+  int id: @for_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+format_args_exprs(
+  unique int id: @format_args_expr
+);
+
+#keyset[id, index]
+format_args_expr_args(
+  int id: @format_args_expr ref,
+  int index: int ref,
+  int arg: @format_args_arg ref
+);
+
+#keyset[id, index]
+format_args_expr_attrs(
+  int id: @format_args_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+format_args_expr_templates(
+  int id: @format_args_expr ref,
+  int template: @expr ref
+);
+
+ident_pats(
+  unique int id: @ident_pat
+);
+
+#keyset[id, index]
+ident_pat_attrs(
+  int id: @ident_pat ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+ident_pat_is_mut(
+  int id: @ident_pat ref
+);
+
+#keyset[id]
+ident_pat_is_ref(
+  int id: @ident_pat ref
+);
+
+#keyset[id]
+ident_pat_names(
+  int id: @ident_pat ref,
+  int name: @name ref
+);
+
+#keyset[id]
+ident_pat_pats(
+  int id: @ident_pat ref,
+  int pat: @pat ref
+);
+
+if_exprs(
+  unique int id: @if_expr
+);
+
+#keyset[id, index]
+if_expr_attrs(
+  int id: @if_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+if_expr_conditions(
+  int id: @if_expr ref,
+  int condition: @expr ref
+);
+
+#keyset[id]
+if_expr_elses(
+  int id: @if_expr ref,
+  int else: @expr ref
+);
+
+#keyset[id]
+if_expr_thens(
+  int id: @if_expr ref,
+  int then: @block_expr ref
+);
+
+impl_trait_type_reprs(
+  unique int id: @impl_trait_type_repr
+);
+
+#keyset[id]
+impl_trait_type_repr_type_bound_lists(
+  int id: @impl_trait_type_repr ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+index_exprs(
+  unique int id: @index_expr
+);
+
+#keyset[id, index]
+index_expr_attrs(
+  int id: @index_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+index_expr_bases(
+  int id: @index_expr ref,
+  int base: @expr ref
+);
+
+#keyset[id]
+index_expr_indices(
+  int id: @index_expr ref,
+  int index: @expr ref
+);
+
+infer_type_reprs(
+  unique int id: @infer_type_repr
+);
+
+@item =
+  @adt
+| @asm_expr
+| @assoc_item
+| @extern_block
+| @extern_crate
+| @extern_item
+| @impl
+| @macro_def
+| @macro_rules
+| @module
+| @trait
+| @trait_alias
+| @use
+;
+
+#keyset[id]
+item_attribute_macro_expansions(
+  int id: @item ref,
+  int attribute_macro_expansion: @macro_items ref
+);
+
+@labelable_expr =
+  @block_expr
+| @looping_expr
+;
+
+#keyset[id]
+labelable_expr_labels(
+  int id: @labelable_expr ref,
+  int label: @label ref
+);
+
+let_exprs(
+  unique int id: @let_expr
+);
+
+#keyset[id, index]
+let_expr_attrs(
+  int id: @let_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+let_expr_scrutinees(
+  int id: @let_expr ref,
+  int scrutinee: @expr ref
+);
+
+#keyset[id]
+let_expr_pats(
+  int id: @let_expr ref,
+  int pat: @pat ref
+);
+
+let_stmts(
+  unique int id: @let_stmt
+);
+
+#keyset[id, index]
+let_stmt_attrs(
+  int id: @let_stmt ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+let_stmt_initializers(
+  int id: @let_stmt ref,
+  int initializer: @expr ref
+);
+
+#keyset[id]
+let_stmt_let_elses(
+  int id: @let_stmt ref,
+  int let_else: @let_else ref
+);
+
+#keyset[id]
+let_stmt_pats(
+  int id: @let_stmt ref,
+  int pat: @pat ref
+);
+
+#keyset[id]
+let_stmt_type_reprs(
+  int id: @let_stmt ref,
+  int type_repr: @type_repr ref
+);
+
+lifetimes(
+  unique int id: @lifetime
+);
+
+#keyset[id]
+lifetime_texts(
+  int id: @lifetime ref,
+  string text: string ref
+);
+
+lifetime_args(
+  unique int id: @lifetime_arg
+);
+
+#keyset[id]
+lifetime_arg_lifetimes(
+  int id: @lifetime_arg ref,
+  int lifetime: @lifetime ref
+);
+
+lifetime_params(
+  unique int id: @lifetime_param
+);
+
+#keyset[id, index]
+lifetime_param_attrs(
+  int id: @lifetime_param ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+lifetime_param_lifetimes(
+  int id: @lifetime_param ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+lifetime_param_type_bound_lists(
+  int id: @lifetime_param ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+literal_exprs(
+  unique int id: @literal_expr
+);
+
+#keyset[id, index]
+literal_expr_attrs(
+  int id: @literal_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+literal_expr_text_values(
+  int id: @literal_expr ref,
+  string text_value: string ref
+);
+
+literal_pats(
+  unique int id: @literal_pat
+);
+
+#keyset[id]
+literal_pat_literals(
+  int id: @literal_pat ref,
+  int literal: @literal_expr ref
+);
+
+macro_block_exprs(
+  unique int id: @macro_block_expr
+);
+
+#keyset[id]
+macro_block_expr_tail_exprs(
+  int id: @macro_block_expr ref,
+  int tail_expr: @expr ref
+);
+
+#keyset[id, index]
+macro_block_expr_statements(
+  int id: @macro_block_expr ref,
+  int index: int ref,
+  int statement: @stmt ref
+);
+
+macro_exprs(
+  unique int id: @macro_expr
+);
+
+#keyset[id]
+macro_expr_macro_calls(
+  int id: @macro_expr ref,
+  int macro_call: @macro_call ref
+);
+
+macro_pats(
+  unique int id: @macro_pat
+);
+
+#keyset[id]
+macro_pat_macro_calls(
+  int id: @macro_pat ref,
+  int macro_call: @macro_call ref
+);
+
+macro_type_reprs(
+  unique int id: @macro_type_repr
+);
+
+#keyset[id]
+macro_type_repr_macro_calls(
+  int id: @macro_type_repr ref,
+  int macro_call: @macro_call ref
+);
+
+match_exprs(
+  unique int id: @match_expr
+);
+
+#keyset[id, index]
+match_expr_attrs(
+  int id: @match_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+match_expr_scrutinees(
+  int id: @match_expr ref,
+  int scrutinee: @expr ref
+);
+
+#keyset[id]
+match_expr_match_arm_lists(
+  int id: @match_expr ref,
+  int match_arm_list: @match_arm_list ref
+);
+
+name_refs(
+  unique int id: @name_ref
+);
+
+#keyset[id]
+name_ref_texts(
+  int id: @name_ref ref,
+  string text: string ref
+);
+
+never_type_reprs(
+  unique int id: @never_type_repr
+);
+
+offset_of_exprs(
+  unique int id: @offset_of_expr
+);
+
+#keyset[id, index]
+offset_of_expr_attrs(
+  int id: @offset_of_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+offset_of_expr_fields(
+  int id: @offset_of_expr ref,
+  int index: int ref,
+  int field: @name_ref ref
+);
+
+#keyset[id]
+offset_of_expr_type_reprs(
+  int id: @offset_of_expr ref,
+  int type_repr: @type_repr ref
+);
+
+or_pats(
+  unique int id: @or_pat
+);
+
+#keyset[id, index]
+or_pat_pats(
+  int id: @or_pat ref,
+  int index: int ref,
+  int pat: @pat ref
+);
+
+params(
+  unique int id: @param
+);
+
+#keyset[id]
+param_pats(
+  int id: @param ref,
+  int pat: @pat ref
+);
+
+paren_exprs(
+  unique int id: @paren_expr
+);
+
+#keyset[id, index]
+paren_expr_attrs(
+  int id: @paren_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+paren_expr_exprs(
+  int id: @paren_expr ref,
+  int expr: @expr ref
+);
+
+paren_pats(
+  unique int id: @paren_pat
+);
+
+#keyset[id]
+paren_pat_pats(
+  int id: @paren_pat ref,
+  int pat: @pat ref
+);
+
+paren_type_reprs(
+  unique int id: @paren_type_repr
+);
+
+#keyset[id]
+paren_type_repr_type_reprs(
+  int id: @paren_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+@path_ast_node =
+  @path_expr
+| @path_pat
+| @struct_expr
+| @struct_pat
+| @tuple_struct_pat
+;
+
+#keyset[id]
+path_ast_node_paths(
+  int id: @path_ast_node ref,
+  int path: @path ref
+);
+
+@path_expr_base =
+  @path_expr
+;
+
+path_type_reprs(
+  unique int id: @path_type_repr
+);
+
+#keyset[id]
+path_type_repr_paths(
+  int id: @path_type_repr ref,
+  int path: @path ref
+);
+
+prefix_exprs(
+  unique int id: @prefix_expr
+);
+
+#keyset[id, index]
+prefix_expr_attrs(
+  int id: @prefix_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+prefix_expr_exprs(
+  int id: @prefix_expr ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+prefix_expr_operator_names(
+  int id: @prefix_expr ref,
+  string operator_name: string ref
+);
+
+ptr_type_reprs(
+  unique int id: @ptr_type_repr
+);
+
+#keyset[id]
+ptr_type_repr_is_const(
+  int id: @ptr_type_repr ref
+);
+
+#keyset[id]
+ptr_type_repr_is_mut(
+  int id: @ptr_type_repr ref
+);
+
+#keyset[id]
+ptr_type_repr_type_reprs(
+  int id: @ptr_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+range_exprs(
+  unique int id: @range_expr
+);
+
+#keyset[id, index]
+range_expr_attrs(
+  int id: @range_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+range_expr_ends(
+  int id: @range_expr ref,
+  int end: @expr ref
+);
+
+#keyset[id]
+range_expr_operator_names(
+  int id: @range_expr ref,
+  string operator_name: string ref
+);
+
+#keyset[id]
+range_expr_starts(
+  int id: @range_expr ref,
+  int start: @expr ref
+);
+
+range_pats(
+  unique int id: @range_pat
+);
+
+#keyset[id]
+range_pat_ends(
+  int id: @range_pat ref,
+  int end: @pat ref
+);
+
+#keyset[id]
+range_pat_operator_names(
+  int id: @range_pat ref,
+  string operator_name: string ref
+);
+
+#keyset[id]
+range_pat_starts(
+  int id: @range_pat ref,
+  int start: @pat ref
+);
+
+ref_exprs(
+  unique int id: @ref_expr
+);
+
+#keyset[id, index]
+ref_expr_attrs(
+  int id: @ref_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+ref_expr_exprs(
+  int id: @ref_expr ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+ref_expr_is_const(
+  int id: @ref_expr ref
+);
+
+#keyset[id]
+ref_expr_is_mut(
+  int id: @ref_expr ref
+);
+
+#keyset[id]
+ref_expr_is_raw(
+  int id: @ref_expr ref
+);
+
+ref_pats(
+  unique int id: @ref_pat
+);
+
+#keyset[id]
+ref_pat_is_mut(
+  int id: @ref_pat ref
+);
+
+#keyset[id]
+ref_pat_pats(
+  int id: @ref_pat ref,
+  int pat: @pat ref
+);
+
+ref_type_reprs(
+  unique int id: @ref_type_repr
+);
+
+#keyset[id]
+ref_type_repr_is_mut(
+  int id: @ref_type_repr ref
+);
+
+#keyset[id]
+ref_type_repr_lifetimes(
+  int id: @ref_type_repr ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+ref_type_repr_type_reprs(
+  int id: @ref_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+rest_pats(
+  unique int id: @rest_pat
+);
+
+#keyset[id, index]
+rest_pat_attrs(
+  int id: @rest_pat ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+return_exprs(
+  unique int id: @return_expr
+);
+
+#keyset[id, index]
+return_expr_attrs(
+  int id: @return_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+return_expr_exprs(
+  int id: @return_expr ref,
+  int expr: @expr ref
+);
+
+self_params(
+  unique int id: @self_param
+);
+
+#keyset[id]
+self_param_is_ref(
+  int id: @self_param ref
+);
+
+#keyset[id]
+self_param_is_mut(
+  int id: @self_param ref
+);
+
+#keyset[id]
+self_param_lifetimes(
+  int id: @self_param ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+self_param_names(
+  int id: @self_param ref,
+  int name: @name ref
+);
+
+slice_pats(
+  unique int id: @slice_pat
+);
+
+#keyset[id, index]
+slice_pat_pats(
+  int id: @slice_pat ref,
+  int index: int ref,
+  int pat: @pat ref
+);
+
+slice_type_reprs(
+  unique int id: @slice_type_repr
+);
+
+#keyset[id]
+slice_type_repr_type_reprs(
+  int id: @slice_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+struct_field_lists(
+  unique int id: @struct_field_list
+);
+
+#keyset[id, index]
+struct_field_list_fields(
+  int id: @struct_field_list ref,
+  int index: int ref,
+  int field: @struct_field ref
+);
+
+try_exprs(
+  unique int id: @try_expr
+);
+
+#keyset[id, index]
+try_expr_attrs(
+  int id: @try_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+try_expr_exprs(
+  int id: @try_expr ref,
+  int expr: @expr ref
+);
+
+tuple_exprs(
+  unique int id: @tuple_expr
+);
+
+#keyset[id, index]
+tuple_expr_attrs(
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+tuple_expr_fields(
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int field: @expr ref
+);
+
+tuple_field_lists(
+  unique int id: @tuple_field_list
+);
+
+#keyset[id, index]
+tuple_field_list_fields(
+  int id: @tuple_field_list ref,
+  int index: int ref,
+  int field: @tuple_field ref
+);
+
+tuple_pats(
+  unique int id: @tuple_pat
+);
+
+#keyset[id, index]
+tuple_pat_fields(
+  int id: @tuple_pat ref,
+  int index: int ref,
+  int field: @pat ref
+);
+
+tuple_type_reprs(
+  unique int id: @tuple_type_repr
+);
+
+#keyset[id, index]
+tuple_type_repr_fields(
+  int id: @tuple_type_repr ref,
+  int index: int ref,
+  int field: @type_repr ref
+);
+
+type_args(
+  unique int id: @type_arg
+);
+
+#keyset[id]
+type_arg_type_reprs(
+  int id: @type_arg ref,
+  int type_repr: @type_repr ref
+);
+
+type_params(
+  unique int id: @type_param
+);
+
+#keyset[id, index]
+type_param_attrs(
+  int id: @type_param ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+type_param_default_types(
+  int id: @type_param ref,
+  int default_type: @type_repr ref
+);
+
+#keyset[id]
+type_param_names(
+  int id: @type_param ref,
+  int name: @name ref
+);
+
+#keyset[id]
+type_param_type_bound_lists(
+  int id: @type_param ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+underscore_exprs(
+  unique int id: @underscore_expr
+);
+
+#keyset[id, index]
+underscore_expr_attrs(
+  int id: @underscore_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+variants(
+  unique int id: @variant
+);
+
+#keyset[id, index]
+variant_attrs(
+  int id: @variant ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+variant_discriminants(
+  int id: @variant ref,
+  int discriminant: @expr ref
+);
+
+#keyset[id]
+variant_field_lists(
+  int id: @variant ref,
+  int field_list: @field_list ref
+);
+
+#keyset[id]
+variant_names(
+  int id: @variant ref,
+  int name: @name ref
+);
+
+#keyset[id]
+variant_visibilities(
+  int id: @variant ref,
+  int visibility: @visibility ref
+);
+
+wildcard_pats(
+  unique int id: @wildcard_pat
+);
+
+yeet_exprs(
+  unique int id: @yeet_expr
+);
+
+#keyset[id, index]
+yeet_expr_attrs(
+  int id: @yeet_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+yeet_expr_exprs(
+  int id: @yeet_expr ref,
+  int expr: @expr ref
+);
+
+yield_exprs(
+  unique int id: @yield_expr
+);
+
+#keyset[id, index]
+yield_expr_attrs(
+  int id: @yield_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+yield_expr_exprs(
+  int id: @yield_expr ref,
+  int expr: @expr ref
+);
+
+@adt =
+  @enum
+| @struct
+| @union
+;
+
+#keyset[id, index]
+adt_derive_macro_expansions(
+  int id: @adt ref,
+  int index: int ref,
+  int derive_macro_expansion: @macro_items ref
+);
+
+asm_exprs(
+  unique int id: @asm_expr
+);
+
+#keyset[id, index]
+asm_expr_asm_pieces(
+  int id: @asm_expr ref,
+  int index: int ref,
+  int asm_piece: @asm_piece ref
+);
+
+#keyset[id, index]
+asm_expr_attrs(
+  int id: @asm_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+asm_expr_templates(
+  int id: @asm_expr ref,
+  int index: int ref,
+  int template: @expr ref
+);
+
+@assoc_item =
+  @const
+| @function
+| @macro_call
+| @type_alias
+;
+
+block_exprs(
+  unique int id: @block_expr
+);
+
+#keyset[id, index]
+block_expr_attrs(
+  int id: @block_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+block_expr_is_async(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_const(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_gen(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_move(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_try(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_unsafe(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_stmt_lists(
+  int id: @block_expr ref,
+  int stmt_list: @stmt_list ref
+);
+
+call_exprs(
+  unique int id: @call_expr
+);
+
+#keyset[id]
+call_expr_functions(
+  int id: @call_expr ref,
+  int function: @expr ref
+);
+
+extern_blocks(
+  unique int id: @extern_block
+);
+
+#keyset[id]
+extern_block_abis(
+  int id: @extern_block ref,
+  int abi: @abi ref
+);
+
+#keyset[id, index]
+extern_block_attrs(
+  int id: @extern_block ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+extern_block_extern_item_lists(
+  int id: @extern_block ref,
+  int extern_item_list: @extern_item_list ref
+);
+
+#keyset[id]
+extern_block_is_unsafe(
+  int id: @extern_block ref
+);
+
+extern_crates(
+  unique int id: @extern_crate
+);
+
+#keyset[id, index]
+extern_crate_attrs(
+  int id: @extern_crate ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+extern_crate_identifiers(
+  int id: @extern_crate ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+extern_crate_renames(
+  int id: @extern_crate ref,
+  int rename: @rename ref
+);
+
+#keyset[id]
+extern_crate_visibilities(
+  int id: @extern_crate ref,
+  int visibility: @visibility ref
+);
+
+@extern_item =
+  @function
+| @macro_call
+| @static
+| @type_alias
+;
+
+impls(
+  unique int id: @impl
+);
+
+#keyset[id]
+impl_assoc_item_lists(
+  int id: @impl ref,
+  int assoc_item_list: @assoc_item_list ref
+);
+
+#keyset[id, index]
+impl_attrs(
+  int id: @impl ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+impl_generic_param_lists(
+  int id: @impl ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+impl_is_const(
+  int id: @impl ref
+);
+
+#keyset[id]
+impl_is_default(
+  int id: @impl ref
+);
+
+#keyset[id]
+impl_is_unsafe(
+  int id: @impl ref
+);
+
+#keyset[id]
+impl_self_ties(
+  int id: @impl ref,
+  int self_ty: @type_repr ref
+);
+
+#keyset[id]
+impl_traits(
+  int id: @impl ref,
+  int trait: @type_repr ref
+);
+
+#keyset[id]
+impl_visibilities(
+  int id: @impl ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+impl_where_clauses(
+  int id: @impl ref,
+  int where_clause: @where_clause ref
+);
+
+@looping_expr =
+  @for_expr
+| @loop_expr
+| @while_expr
+;
+
+#keyset[id]
+looping_expr_loop_bodies(
+  int id: @looping_expr ref,
+  int loop_body: @block_expr ref
+);
+
+macro_defs(
+  unique int id: @macro_def
+);
+
+#keyset[id]
+macro_def_args(
+  int id: @macro_def ref,
+  int args: @token_tree ref
+);
+
+#keyset[id, index]
+macro_def_attrs(
+  int id: @macro_def ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+macro_def_bodies(
+  int id: @macro_def ref,
+  int body: @token_tree ref
+);
+
+#keyset[id]
+macro_def_names(
+  int id: @macro_def ref,
+  int name: @name ref
+);
+
+#keyset[id]
+macro_def_visibilities(
+  int id: @macro_def ref,
+  int visibility: @visibility ref
+);
+
+macro_rules(
+  unique int id: @macro_rules
+);
+
+#keyset[id, index]
+macro_rules_attrs(
+  int id: @macro_rules ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+macro_rules_names(
+  int id: @macro_rules ref,
+  int name: @name ref
+);
+
+#keyset[id]
+macro_rules_token_trees(
+  int id: @macro_rules ref,
+  int token_tree: @token_tree ref
+);
+
+#keyset[id]
+macro_rules_visibilities(
+  int id: @macro_rules ref,
+  int visibility: @visibility ref
+);
+
+method_call_exprs(
+  unique int id: @method_call_expr
+);
+
+#keyset[id]
+method_call_expr_generic_arg_lists(
+  int id: @method_call_expr ref,
+  int generic_arg_list: @generic_arg_list ref
+);
+
+#keyset[id]
+method_call_expr_identifiers(
+  int id: @method_call_expr ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+method_call_expr_receivers(
+  int id: @method_call_expr ref,
+  int receiver: @expr ref
+);
+
+modules(
+  unique int id: @module
+);
+
+#keyset[id, index]
+module_attrs(
+  int id: @module ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+module_item_lists(
+  int id: @module ref,
+  int item_list: @item_list ref
+);
+
+#keyset[id]
+module_names(
+  int id: @module ref,
+  int name: @name ref
+);
+
+#keyset[id]
+module_visibilities(
+  int id: @module ref,
+  int visibility: @visibility ref
+);
+
+path_exprs(
+  unique int id: @path_expr
+);
+
+#keyset[id, index]
+path_expr_attrs(
+  int id: @path_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+path_pats(
+  unique int id: @path_pat
+);
+
+struct_exprs(
+  unique int id: @struct_expr
+);
+
+#keyset[id]
+struct_expr_struct_expr_field_lists(
+  int id: @struct_expr ref,
+  int struct_expr_field_list: @struct_expr_field_list ref
+);
+
+struct_pats(
+  unique int id: @struct_pat
+);
+
+#keyset[id]
+struct_pat_struct_pat_field_lists(
+  int id: @struct_pat ref,
+  int struct_pat_field_list: @struct_pat_field_list ref
+);
+
+traits(
+  unique int id: @trait
+);
+
+#keyset[id]
+trait_assoc_item_lists(
+  int id: @trait ref,
+  int assoc_item_list: @assoc_item_list ref
+);
+
+#keyset[id, index]
+trait_attrs(
+  int id: @trait ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+trait_generic_param_lists(
+  int id: @trait ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+trait_is_auto(
+  int id: @trait ref
+);
+
+#keyset[id]
+trait_is_unsafe(
+  int id: @trait ref
+);
+
+#keyset[id]
+trait_names(
+  int id: @trait ref,
+  int name: @name ref
+);
+
+#keyset[id]
+trait_type_bound_lists(
+  int id: @trait ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+#keyset[id]
+trait_visibilities(
+  int id: @trait ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+trait_where_clauses(
+  int id: @trait ref,
+  int where_clause: @where_clause ref
+);
+
+trait_aliases(
+  unique int id: @trait_alias
+);
+
+#keyset[id, index]
+trait_alias_attrs(
+  int id: @trait_alias ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+trait_alias_generic_param_lists(
+  int id: @trait_alias ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+trait_alias_names(
+  int id: @trait_alias ref,
+  int name: @name ref
+);
+
+#keyset[id]
+trait_alias_type_bound_lists(
+  int id: @trait_alias ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+#keyset[id]
+trait_alias_visibilities(
+  int id: @trait_alias ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+trait_alias_where_clauses(
+  int id: @trait_alias ref,
+  int where_clause: @where_clause ref
+);
+
+tuple_struct_pats(
+  unique int id: @tuple_struct_pat
+);
+
+#keyset[id, index]
+tuple_struct_pat_fields(
+  int id: @tuple_struct_pat ref,
+  int index: int ref,
+  int field: @pat ref
+);
+
+uses(
+  unique int id: @use
+);
+
+#keyset[id, index]
+use_attrs(
+  int id: @use ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+use_use_trees(
+  int id: @use ref,
+  int use_tree: @use_tree ref
+);
+
+#keyset[id]
+use_visibilities(
+  int id: @use ref,
+  int visibility: @visibility ref
+);
+
+consts(
+  unique int id: @const
+);
+
+#keyset[id, index]
+const_attrs(
+  int id: @const ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+const_bodies(
+  int id: @const ref,
+  int body: @expr ref
+);
+
+#keyset[id]
+const_generic_param_lists(
+  int id: @const ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+const_is_const(
+  int id: @const ref
+);
+
+#keyset[id]
+const_is_default(
+  int id: @const ref
+);
+
+#keyset[id]
+const_names(
+  int id: @const ref,
+  int name: @name ref
+);
+
+#keyset[id]
+const_type_reprs(
+  int id: @const ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+const_visibilities(
+  int id: @const ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+const_where_clauses(
+  int id: @const ref,
+  int where_clause: @where_clause ref
+);
+
+#keyset[id]
+const_has_implementation(
+  int id: @const ref
+);
+
+enums(
+  unique int id: @enum
+);
+
+#keyset[id, index]
+enum_attrs(
+  int id: @enum ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+enum_generic_param_lists(
+  int id: @enum ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+enum_names(
+  int id: @enum ref,
+  int name: @name ref
+);
+
+#keyset[id]
+enum_variant_lists(
+  int id: @enum ref,
+  int variant_list: @variant_list ref
+);
+
+#keyset[id]
+enum_visibilities(
+  int id: @enum ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+enum_where_clauses(
+  int id: @enum ref,
+  int where_clause: @where_clause ref
+);
+
+for_exprs(
+  unique int id: @for_expr
+);
+
+#keyset[id, index]
+for_expr_attrs(
+  int id: @for_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+for_expr_iterables(
+  int id: @for_expr ref,
+  int iterable: @expr ref
+);
+
+#keyset[id]
+for_expr_pats(
+  int id: @for_expr ref,
+  int pat: @pat ref
+);
+
+functions(
+  unique int id: @function
+);
+
+#keyset[id]
+function_abis(
+  int id: @function ref,
+  int abi: @abi ref
+);
+
+#keyset[id]
+function_bodies(
+  int id: @function ref,
+  int body: @block_expr ref
+);
+
+#keyset[id]
+function_generic_param_lists(
+  int id: @function ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+function_is_async(
+  int id: @function ref
+);
+
+#keyset[id]
+function_is_const(
+  int id: @function ref
+);
+
+#keyset[id]
+function_is_default(
+  int id: @function ref
+);
+
+#keyset[id]
+function_is_gen(
+  int id: @function ref
+);
+
+#keyset[id]
+function_is_unsafe(
+  int id: @function ref
+);
+
+#keyset[id]
+function_names(
+  int id: @function ref,
+  int name: @name ref
+);
+
+#keyset[id]
+function_ret_types(
+  int id: @function ref,
+  int ret_type: @ret_type_repr ref
+);
+
+#keyset[id]
+function_visibilities(
+  int id: @function ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+function_where_clauses(
+  int id: @function ref,
+  int where_clause: @where_clause ref
+);
+
+#keyset[id]
+function_has_implementation(
+  int id: @function ref
+);
+
+loop_exprs(
+  unique int id: @loop_expr
+);
+
+#keyset[id, index]
+loop_expr_attrs(
+  int id: @loop_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+macro_calls(
+  unique int id: @macro_call
+);
+
+#keyset[id, index]
+macro_call_attrs(
+  int id: @macro_call ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+macro_call_paths(
+  int id: @macro_call ref,
+  int path: @path ref
+);
+
+#keyset[id]
+macro_call_token_trees(
+  int id: @macro_call ref,
+  int token_tree: @token_tree ref
+);
+
+#keyset[id]
+macro_call_macro_call_expansions(
+  int id: @macro_call ref,
+  int macro_call_expansion: @ast_node ref
+);
+
+statics(
+  unique int id: @static
+);
+
+#keyset[id, index]
+static_attrs(
+  int id: @static ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+static_bodies(
+  int id: @static ref,
+  int body: @expr ref
+);
+
+#keyset[id]
+static_is_mut(
+  int id: @static ref
+);
+
+#keyset[id]
+static_is_static(
+  int id: @static ref
+);
+
+#keyset[id]
+static_is_unsafe(
+  int id: @static ref
+);
+
+#keyset[id]
+static_names(
+  int id: @static ref,
+  int name: @name ref
+);
+
+#keyset[id]
+static_type_reprs(
+  int id: @static ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+static_visibilities(
+  int id: @static ref,
+  int visibility: @visibility ref
+);
+
+structs(
+  unique int id: @struct
+);
+
+#keyset[id, index]
+struct_attrs(
+  int id: @struct ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+struct_field_lists_(
+  int id: @struct ref,
+  int field_list: @field_list ref
+);
+
+#keyset[id]
+struct_generic_param_lists(
+  int id: @struct ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+struct_names(
+  int id: @struct ref,
+  int name: @name ref
+);
+
+#keyset[id]
+struct_visibilities(
+  int id: @struct ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+struct_where_clauses(
+  int id: @struct ref,
+  int where_clause: @where_clause ref
+);
+
+type_aliases(
+  unique int id: @type_alias
+);
+
+#keyset[id, index]
+type_alias_attrs(
+  int id: @type_alias ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+type_alias_generic_param_lists(
+  int id: @type_alias ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+type_alias_is_default(
+  int id: @type_alias ref
+);
+
+#keyset[id]
+type_alias_names(
+  int id: @type_alias ref,
+  int name: @name ref
+);
+
+#keyset[id]
+type_alias_type_reprs(
+  int id: @type_alias ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+type_alias_type_bound_lists(
+  int id: @type_alias ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+#keyset[id]
+type_alias_visibilities(
+  int id: @type_alias ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+type_alias_where_clauses(
+  int id: @type_alias ref,
+  int where_clause: @where_clause ref
+);
+
+unions(
+  unique int id: @union
+);
+
+#keyset[id, index]
+union_attrs(
+  int id: @union ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+union_generic_param_lists(
+  int id: @union ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+union_names(
+  int id: @union ref,
+  int name: @name ref
+);
+
+#keyset[id]
+union_struct_field_lists(
+  int id: @union ref,
+  int struct_field_list: @struct_field_list ref
+);
+
+#keyset[id]
+union_visibilities(
+  int id: @union ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+union_where_clauses(
+  int id: @union ref,
+  int where_clause: @where_clause ref
+);
+
+while_exprs(
+  unique int id: @while_expr
+);
+
+#keyset[id, index]
+while_expr_attrs(
+  int id: @while_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+while_expr_conditions(
+  int id: @while_expr ref,
+  int condition: @expr ref
+);
diff --git a/rust/downgrades/3c1990e7f1da60ff6c53ee4f1ab85e1e7457e325/rust.dbscheme b/rust/downgrades/3c1990e7f1da60ff6c53ee4f1ab85e1e7457e325/rust.dbscheme
new file mode 100644
index 00000000000..319c933d961
--- /dev/null
+++ b/rust/downgrades/3c1990e7f1da60ff6c53ee4f1ab85e1e7457e325/rust.dbscheme
@@ -0,0 +1,3637 @@
+// generated by codegen, do not edit
+
+// from ../shared/tree-sitter-extractor/src/generator/prefix.dbscheme
+/*- Files and folders -*/
+
+/**
+ * The location of an element.
+ * The location spans column `startcolumn` of line `startline` to
+ * column `endcolumn` of line `endline` in file `file`.
+ * For more information, see
+ * [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
+ */
+locations_default(
+  unique int id: @location_default,
+  int file: @file ref,
+  int beginLine: int ref,
+  int beginColumn: int ref,
+  int endLine: int ref,
+  int endColumn: int ref
+);
+
+files(
+  unique int id: @file,
+  string name: string ref
+);
+
+folders(
+  unique int id: @folder,
+  string name: string ref
+);
+
+@container = @file | @folder
+
+containerparent(
+  int parent: @container ref,
+  unique int child: @container ref
+);
+
+/*- Empty location -*/
+
+empty_location(
+  int location: @location_default ref
+);
+
+/*- Source location prefix -*/
+
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(string prefix : string ref);
+
+/*- Diagnostic messages -*/
+
+diagnostics(
+  unique int id: @diagnostic,
+  int severity: int ref,
+  string error_tag: string ref,
+  string error_message: string ref,
+  string full_error_message: string ref,
+  int location: @location_default ref
+);
+
+/*- Diagnostic messages: severity -*/
+
+case @diagnostic.severity of
+  10 = @diagnostic_debug
+| 20 = @diagnostic_info
+| 30 = @diagnostic_warning
+| 40 = @diagnostic_error
+;
+
+/*- YAML -*/
+
+#keyset[parent, idx]
+yaml (unique int id: @yaml_node,
+      int kind: int ref,
+      int parent: @yaml_node_parent ref,
+      int idx: int ref,
+      string tag: string ref,
+      string tostring: string ref);
+
+case @yaml_node.kind of
+  0 = @yaml_scalar_node
+| 1 = @yaml_mapping_node
+| 2 = @yaml_sequence_node
+| 3 = @yaml_alias_node
+;
+
+@yaml_collection_node = @yaml_mapping_node | @yaml_sequence_node;
+
+@yaml_node_parent = @yaml_collection_node | @file;
+
+yaml_anchors (unique int node: @yaml_node ref,
+              string anchor: string ref);
+
+yaml_aliases (unique int alias: @yaml_alias_node ref,
+              string target: string ref);
+
+yaml_scalars (unique int scalar: @yaml_scalar_node ref,
+              int style: int ref,
+              string value: string ref);
+
+yaml_errors (unique int id: @yaml_error,
+             string message: string ref);
+
+yaml_locations(unique int locatable: @yaml_locatable ref,
+             int location: @location_default ref);
+
+@yaml_locatable = @yaml_node | @yaml_error;
+
+/*- Database metadata -*/
+databaseMetadata(
+  string metadataKey: string ref,
+  string value: string ref
+);
+
+overlayChangedFiles(
+  string path: string ref
+);
+
+
+// from prefix.dbscheme
+#keyset[id]
+locatable_locations(
+  int id: @locatable ref,
+  int location: @location_default ref
+);
+
+
+// from schema
+
+@element =
+  @extractor_step
+| @locatable
+| @named_crate
+| @unextracted
+;
+
+extractor_steps(
+  unique int id: @extractor_step,
+  string action: string ref,
+  int duration_ms: int ref
+);
+
+#keyset[id]
+extractor_step_files(
+  int id: @extractor_step ref,
+  int file: @file ref
+);
+
+@locatable =
+  @ast_node
+| @crate
+;
+
+named_crates(
+  unique int id: @named_crate,
+  string name: string ref,
+  int crate: @crate ref
+);
+
+@unextracted =
+  @missing
+| @unimplemented
+;
+
+@ast_node =
+  @abi
+| @addressable
+| @arg_list
+| @asm_dir_spec
+| @asm_operand
+| @asm_operand_expr
+| @asm_option
+| @asm_piece
+| @asm_reg_spec
+| @assoc_item_list
+| @attr
+| @callable
+| @closure_binder
+| @expr
+| @extern_item_list
+| @field_list
+| @format_args_arg
+| @generic_arg
+| @generic_arg_list
+| @generic_param
+| @generic_param_list
+| @item_list
+| @label
+| @let_else
+| @macro_items
+| @match_arm
+| @match_arm_list
+| @match_guard
+| @meta
+| @name
+| @param_base
+| @param_list
+| @parenthesized_arg_list
+| @pat
+| @path
+| @path_segment
+| @rename
+| @resolvable
+| @ret_type_repr
+| @return_type_syntax
+| @source_file
+| @stmt
+| @stmt_list
+| @struct_expr_field
+| @struct_expr_field_list
+| @struct_field
+| @struct_pat_field
+| @struct_pat_field_list
+| @token
+| @token_tree
+| @tuple_field
+| @type_bound
+| @type_bound_list
+| @type_repr
+| @use_bound_generic_arg
+| @use_bound_generic_args
+| @use_tree
+| @use_tree_list
+| @variant_list
+| @visibility
+| @where_clause
+| @where_pred
+;
+
+crates(
+  unique int id: @crate
+);
+
+#keyset[id]
+crate_names(
+  int id: @crate ref,
+  string name: string ref
+);
+
+#keyset[id]
+crate_versions(
+  int id: @crate ref,
+  string version: string ref
+);
+
+#keyset[id, index]
+crate_cfg_options(
+  int id: @crate ref,
+  int index: int ref,
+  string cfg_option: string ref
+);
+
+#keyset[id, index]
+crate_named_dependencies(
+  int id: @crate ref,
+  int index: int ref,
+  int named_dependency: @named_crate ref
+);
+
+missings(
+  unique int id: @missing
+);
+
+unimplementeds(
+  unique int id: @unimplemented
+);
+
+abis(
+  unique int id: @abi
+);
+
+#keyset[id]
+abi_abi_strings(
+  int id: @abi ref,
+  string abi_string: string ref
+);
+
+@addressable =
+  @item
+| @variant
+;
+
+#keyset[id]
+addressable_extended_canonical_paths(
+  int id: @addressable ref,
+  string extended_canonical_path: string ref
+);
+
+#keyset[id]
+addressable_crate_origins(
+  int id: @addressable ref,
+  string crate_origin: string ref
+);
+
+arg_lists(
+  unique int id: @arg_list
+);
+
+#keyset[id, index]
+arg_list_args(
+  int id: @arg_list ref,
+  int index: int ref,
+  int arg: @expr ref
+);
+
+asm_dir_specs(
+  unique int id: @asm_dir_spec
+);
+
+@asm_operand =
+  @asm_const
+| @asm_label
+| @asm_reg_operand
+| @asm_sym
+;
+
+asm_operand_exprs(
+  unique int id: @asm_operand_expr
+);
+
+#keyset[id]
+asm_operand_expr_in_exprs(
+  int id: @asm_operand_expr ref,
+  int in_expr: @expr ref
+);
+
+#keyset[id]
+asm_operand_expr_out_exprs(
+  int id: @asm_operand_expr ref,
+  int out_expr: @expr ref
+);
+
+asm_options(
+  unique int id: @asm_option
+);
+
+#keyset[id]
+asm_option_is_raw(
+  int id: @asm_option ref
+);
+
+@asm_piece =
+  @asm_clobber_abi
+| @asm_operand_named
+| @asm_options_list
+;
+
+asm_reg_specs(
+  unique int id: @asm_reg_spec
+);
+
+#keyset[id]
+asm_reg_spec_identifiers(
+  int id: @asm_reg_spec ref,
+  int identifier: @name_ref ref
+);
+
+assoc_item_lists(
+  unique int id: @assoc_item_list
+);
+
+#keyset[id, index]
+assoc_item_list_assoc_items(
+  int id: @assoc_item_list ref,
+  int index: int ref,
+  int assoc_item: @assoc_item ref
+);
+
+#keyset[id, index]
+assoc_item_list_attrs(
+  int id: @assoc_item_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+attrs(
+  unique int id: @attr
+);
+
+#keyset[id]
+attr_meta(
+  int id: @attr ref,
+  int meta: @meta ref
+);
+
+@callable =
+  @closure_expr
+| @function
+;
+
+#keyset[id]
+callable_param_lists(
+  int id: @callable ref,
+  int param_list: @param_list ref
+);
+
+#keyset[id, index]
+callable_attrs(
+  int id: @callable ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+closure_binders(
+  unique int id: @closure_binder
+);
+
+#keyset[id]
+closure_binder_generic_param_lists(
+  int id: @closure_binder ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+@expr =
+  @array_expr_internal
+| @asm_expr
+| @await_expr
+| @become_expr
+| @binary_expr
+| @break_expr
+| @call_expr_base
+| @cast_expr
+| @closure_expr
+| @continue_expr
+| @field_expr
+| @format_args_expr
+| @if_expr
+| @index_expr
+| @labelable_expr
+| @let_expr
+| @literal_expr
+| @macro_block_expr
+| @macro_expr
+| @match_expr
+| @offset_of_expr
+| @paren_expr
+| @path_expr_base
+| @prefix_expr
+| @range_expr
+| @ref_expr
+| @return_expr
+| @struct_expr
+| @try_expr
+| @tuple_expr
+| @underscore_expr
+| @yeet_expr
+| @yield_expr
+;
+
+extern_item_lists(
+  unique int id: @extern_item_list
+);
+
+#keyset[id, index]
+extern_item_list_attrs(
+  int id: @extern_item_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+extern_item_list_extern_items(
+  int id: @extern_item_list ref,
+  int index: int ref,
+  int extern_item: @extern_item ref
+);
+
+@field_list =
+  @struct_field_list
+| @tuple_field_list
+;
+
+format_args_args(
+  unique int id: @format_args_arg
+);
+
+#keyset[id]
+format_args_arg_exprs(
+  int id: @format_args_arg ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+format_args_arg_names(
+  int id: @format_args_arg ref,
+  int name: @name ref
+);
+
+@generic_arg =
+  @assoc_type_arg
+| @const_arg
+| @lifetime_arg
+| @type_arg
+;
+
+generic_arg_lists(
+  unique int id: @generic_arg_list
+);
+
+#keyset[id, index]
+generic_arg_list_generic_args(
+  int id: @generic_arg_list ref,
+  int index: int ref,
+  int generic_arg: @generic_arg ref
+);
+
+@generic_param =
+  @const_param
+| @lifetime_param
+| @type_param
+;
+
+generic_param_lists(
+  unique int id: @generic_param_list
+);
+
+#keyset[id, index]
+generic_param_list_generic_params(
+  int id: @generic_param_list ref,
+  int index: int ref,
+  int generic_param: @generic_param ref
+);
+
+item_lists(
+  unique int id: @item_list
+);
+
+#keyset[id, index]
+item_list_attrs(
+  int id: @item_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+item_list_items(
+  int id: @item_list ref,
+  int index: int ref,
+  int item: @item ref
+);
+
+labels(
+  unique int id: @label
+);
+
+#keyset[id]
+label_lifetimes(
+  int id: @label ref,
+  int lifetime: @lifetime ref
+);
+
+let_elses(
+  unique int id: @let_else
+);
+
+#keyset[id]
+let_else_block_exprs(
+  int id: @let_else ref,
+  int block_expr: @block_expr ref
+);
+
+macro_items(
+  unique int id: @macro_items
+);
+
+#keyset[id, index]
+macro_items_items(
+  int id: @macro_items ref,
+  int index: int ref,
+  int item: @item ref
+);
+
+match_arms(
+  unique int id: @match_arm
+);
+
+#keyset[id, index]
+match_arm_attrs(
+  int id: @match_arm ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+match_arm_exprs(
+  int id: @match_arm ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+match_arm_guards(
+  int id: @match_arm ref,
+  int guard: @match_guard ref
+);
+
+#keyset[id]
+match_arm_pats(
+  int id: @match_arm ref,
+  int pat: @pat ref
+);
+
+match_arm_lists(
+  unique int id: @match_arm_list
+);
+
+#keyset[id, index]
+match_arm_list_arms(
+  int id: @match_arm_list ref,
+  int index: int ref,
+  int arm: @match_arm ref
+);
+
+#keyset[id, index]
+match_arm_list_attrs(
+  int id: @match_arm_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+match_guards(
+  unique int id: @match_guard
+);
+
+#keyset[id]
+match_guard_conditions(
+  int id: @match_guard ref,
+  int condition: @expr ref
+);
+
+meta(
+  unique int id: @meta
+);
+
+#keyset[id]
+meta_exprs(
+  int id: @meta ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+meta_is_unsafe(
+  int id: @meta ref
+);
+
+#keyset[id]
+meta_paths(
+  int id: @meta ref,
+  int path: @path ref
+);
+
+#keyset[id]
+meta_token_trees(
+  int id: @meta ref,
+  int token_tree: @token_tree ref
+);
+
+names(
+  unique int id: @name
+);
+
+#keyset[id]
+name_texts(
+  int id: @name ref,
+  string text: string ref
+);
+
+@param_base =
+  @param
+| @self_param
+;
+
+#keyset[id, index]
+param_base_attrs(
+  int id: @param_base ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+param_base_type_reprs(
+  int id: @param_base ref,
+  int type_repr: @type_repr ref
+);
+
+param_lists(
+  unique int id: @param_list
+);
+
+#keyset[id, index]
+param_list_params(
+  int id: @param_list ref,
+  int index: int ref,
+  int param: @param ref
+);
+
+#keyset[id]
+param_list_self_params(
+  int id: @param_list ref,
+  int self_param: @self_param ref
+);
+
+parenthesized_arg_lists(
+  unique int id: @parenthesized_arg_list
+);
+
+#keyset[id, index]
+parenthesized_arg_list_type_args(
+  int id: @parenthesized_arg_list ref,
+  int index: int ref,
+  int type_arg: @type_arg ref
+);
+
+@pat =
+  @box_pat
+| @const_block_pat
+| @ident_pat
+| @literal_pat
+| @macro_pat
+| @or_pat
+| @paren_pat
+| @path_pat
+| @range_pat
+| @ref_pat
+| @rest_pat
+| @slice_pat
+| @struct_pat
+| @tuple_pat
+| @tuple_struct_pat
+| @wildcard_pat
+;
+
+paths(
+  unique int id: @path
+);
+
+#keyset[id]
+path_qualifiers(
+  int id: @path ref,
+  int qualifier: @path ref
+);
+
+#keyset[id]
+path_segments_(
+  int id: @path ref,
+  int segment: @path_segment ref
+);
+
+path_segments(
+  unique int id: @path_segment
+);
+
+#keyset[id]
+path_segment_generic_arg_lists(
+  int id: @path_segment ref,
+  int generic_arg_list: @generic_arg_list ref
+);
+
+#keyset[id]
+path_segment_identifiers(
+  int id: @path_segment ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+path_segment_parenthesized_arg_lists(
+  int id: @path_segment ref,
+  int parenthesized_arg_list: @parenthesized_arg_list ref
+);
+
+#keyset[id]
+path_segment_ret_types(
+  int id: @path_segment ref,
+  int ret_type: @ret_type_repr ref
+);
+
+#keyset[id]
+path_segment_return_type_syntaxes(
+  int id: @path_segment ref,
+  int return_type_syntax: @return_type_syntax ref
+);
+
+#keyset[id]
+path_segment_type_reprs(
+  int id: @path_segment ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+path_segment_trait_type_reprs(
+  int id: @path_segment ref,
+  int trait_type_repr: @path_type_repr ref
+);
+
+renames(
+  unique int id: @rename
+);
+
+#keyset[id]
+rename_names(
+  int id: @rename ref,
+  int name: @name ref
+);
+
+@resolvable =
+  @method_call_expr
+| @path_ast_node
+;
+
+#keyset[id]
+resolvable_resolved_paths(
+  int id: @resolvable ref,
+  string resolved_path: string ref
+);
+
+#keyset[id]
+resolvable_resolved_crate_origins(
+  int id: @resolvable ref,
+  string resolved_crate_origin: string ref
+);
+
+ret_type_reprs(
+  unique int id: @ret_type_repr
+);
+
+#keyset[id]
+ret_type_repr_type_reprs(
+  int id: @ret_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+return_type_syntaxes(
+  unique int id: @return_type_syntax
+);
+
+source_files(
+  unique int id: @source_file
+);
+
+#keyset[id, index]
+source_file_attrs(
+  int id: @source_file ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+source_file_items(
+  int id: @source_file ref,
+  int index: int ref,
+  int item: @item ref
+);
+
+@stmt =
+  @expr_stmt
+| @item
+| @let_stmt
+;
+
+stmt_lists(
+  unique int id: @stmt_list
+);
+
+#keyset[id, index]
+stmt_list_attrs(
+  int id: @stmt_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+stmt_list_statements(
+  int id: @stmt_list ref,
+  int index: int ref,
+  int statement: @stmt ref
+);
+
+#keyset[id]
+stmt_list_tail_exprs(
+  int id: @stmt_list ref,
+  int tail_expr: @expr ref
+);
+
+struct_expr_fields(
+  unique int id: @struct_expr_field
+);
+
+#keyset[id, index]
+struct_expr_field_attrs(
+  int id: @struct_expr_field ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+struct_expr_field_exprs(
+  int id: @struct_expr_field ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+struct_expr_field_identifiers(
+  int id: @struct_expr_field ref,
+  int identifier: @name_ref ref
+);
+
+struct_expr_field_lists(
+  unique int id: @struct_expr_field_list
+);
+
+#keyset[id, index]
+struct_expr_field_list_attrs(
+  int id: @struct_expr_field_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+struct_expr_field_list_fields(
+  int id: @struct_expr_field_list ref,
+  int index: int ref,
+  int field: @struct_expr_field ref
+);
+
+#keyset[id]
+struct_expr_field_list_spreads(
+  int id: @struct_expr_field_list ref,
+  int spread: @expr ref
+);
+
+struct_fields(
+  unique int id: @struct_field
+);
+
+#keyset[id, index]
+struct_field_attrs(
+  int id: @struct_field ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+struct_field_defaults(
+  int id: @struct_field ref,
+  int default: @expr ref
+);
+
+#keyset[id]
+struct_field_is_unsafe(
+  int id: @struct_field ref
+);
+
+#keyset[id]
+struct_field_names(
+  int id: @struct_field ref,
+  int name: @name ref
+);
+
+#keyset[id]
+struct_field_type_reprs(
+  int id: @struct_field ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+struct_field_visibilities(
+  int id: @struct_field ref,
+  int visibility: @visibility ref
+);
+
+struct_pat_fields(
+  unique int id: @struct_pat_field
+);
+
+#keyset[id, index]
+struct_pat_field_attrs(
+  int id: @struct_pat_field ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+struct_pat_field_identifiers(
+  int id: @struct_pat_field ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+struct_pat_field_pats(
+  int id: @struct_pat_field ref,
+  int pat: @pat ref
+);
+
+struct_pat_field_lists(
+  unique int id: @struct_pat_field_list
+);
+
+#keyset[id, index]
+struct_pat_field_list_fields(
+  int id: @struct_pat_field_list ref,
+  int index: int ref,
+  int field: @struct_pat_field ref
+);
+
+#keyset[id]
+struct_pat_field_list_rest_pats(
+  int id: @struct_pat_field_list ref,
+  int rest_pat: @rest_pat ref
+);
+
+@token =
+  @comment
+;
+
+token_trees(
+  unique int id: @token_tree
+);
+
+tuple_fields(
+  unique int id: @tuple_field
+);
+
+#keyset[id, index]
+tuple_field_attrs(
+  int id: @tuple_field ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+tuple_field_type_reprs(
+  int id: @tuple_field ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+tuple_field_visibilities(
+  int id: @tuple_field ref,
+  int visibility: @visibility ref
+);
+
+type_bounds(
+  unique int id: @type_bound
+);
+
+#keyset[id]
+type_bound_is_async(
+  int id: @type_bound ref
+);
+
+#keyset[id]
+type_bound_is_const(
+  int id: @type_bound ref
+);
+
+#keyset[id]
+type_bound_lifetimes(
+  int id: @type_bound ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+type_bound_type_reprs(
+  int id: @type_bound ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+type_bound_use_bound_generic_args(
+  int id: @type_bound ref,
+  int use_bound_generic_args: @use_bound_generic_args ref
+);
+
+type_bound_lists(
+  unique int id: @type_bound_list
+);
+
+#keyset[id, index]
+type_bound_list_bounds(
+  int id: @type_bound_list ref,
+  int index: int ref,
+  int bound: @type_bound ref
+);
+
+@type_repr =
+  @array_type_repr
+| @dyn_trait_type_repr
+| @fn_ptr_type_repr
+| @for_type_repr
+| @impl_trait_type_repr
+| @infer_type_repr
+| @macro_type_repr
+| @never_type_repr
+| @paren_type_repr
+| @path_type_repr
+| @ptr_type_repr
+| @ref_type_repr
+| @slice_type_repr
+| @tuple_type_repr
+;
+
+@use_bound_generic_arg =
+  @lifetime
+| @name_ref
+;
+
+use_bound_generic_args(
+  unique int id: @use_bound_generic_args
+);
+
+#keyset[id, index]
+use_bound_generic_args_use_bound_generic_args(
+  int id: @use_bound_generic_args ref,
+  int index: int ref,
+  int use_bound_generic_arg: @use_bound_generic_arg ref
+);
+
+use_trees(
+  unique int id: @use_tree
+);
+
+#keyset[id]
+use_tree_is_glob(
+  int id: @use_tree ref
+);
+
+#keyset[id]
+use_tree_paths(
+  int id: @use_tree ref,
+  int path: @path ref
+);
+
+#keyset[id]
+use_tree_renames(
+  int id: @use_tree ref,
+  int rename: @rename ref
+);
+
+#keyset[id]
+use_tree_use_tree_lists(
+  int id: @use_tree ref,
+  int use_tree_list: @use_tree_list ref
+);
+
+use_tree_lists(
+  unique int id: @use_tree_list
+);
+
+#keyset[id, index]
+use_tree_list_use_trees(
+  int id: @use_tree_list ref,
+  int index: int ref,
+  int use_tree: @use_tree ref
+);
+
+variant_lists(
+  unique int id: @variant_list
+);
+
+#keyset[id, index]
+variant_list_variants(
+  int id: @variant_list ref,
+  int index: int ref,
+  int variant: @variant ref
+);
+
+visibilities(
+  unique int id: @visibility
+);
+
+#keyset[id]
+visibility_paths(
+  int id: @visibility ref,
+  int path: @path ref
+);
+
+where_clauses(
+  unique int id: @where_clause
+);
+
+#keyset[id, index]
+where_clause_predicates(
+  int id: @where_clause ref,
+  int index: int ref,
+  int predicate: @where_pred ref
+);
+
+where_preds(
+  unique int id: @where_pred
+);
+
+#keyset[id]
+where_pred_generic_param_lists(
+  int id: @where_pred ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+where_pred_lifetimes(
+  int id: @where_pred ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+where_pred_type_reprs(
+  int id: @where_pred ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+where_pred_type_bound_lists(
+  int id: @where_pred ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+array_expr_internals(
+  unique int id: @array_expr_internal
+);
+
+#keyset[id, index]
+array_expr_internal_attrs(
+  int id: @array_expr_internal ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+array_expr_internal_exprs(
+  int id: @array_expr_internal ref,
+  int index: int ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+array_expr_internal_is_semicolon(
+  int id: @array_expr_internal ref
+);
+
+array_type_reprs(
+  unique int id: @array_type_repr
+);
+
+#keyset[id]
+array_type_repr_const_args(
+  int id: @array_type_repr ref,
+  int const_arg: @const_arg ref
+);
+
+#keyset[id]
+array_type_repr_element_type_reprs(
+  int id: @array_type_repr ref,
+  int element_type_repr: @type_repr ref
+);
+
+asm_clobber_abis(
+  unique int id: @asm_clobber_abi
+);
+
+asm_consts(
+  unique int id: @asm_const
+);
+
+#keyset[id]
+asm_const_exprs(
+  int id: @asm_const ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+asm_const_is_const(
+  int id: @asm_const ref
+);
+
+asm_exprs(
+  unique int id: @asm_expr
+);
+
+#keyset[id, index]
+asm_expr_asm_pieces(
+  int id: @asm_expr ref,
+  int index: int ref,
+  int asm_piece: @asm_piece ref
+);
+
+#keyset[id, index]
+asm_expr_attrs(
+  int id: @asm_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+asm_expr_templates(
+  int id: @asm_expr ref,
+  int index: int ref,
+  int template: @expr ref
+);
+
+asm_labels(
+  unique int id: @asm_label
+);
+
+#keyset[id]
+asm_label_block_exprs(
+  int id: @asm_label ref,
+  int block_expr: @block_expr ref
+);
+
+asm_operand_nameds(
+  unique int id: @asm_operand_named
+);
+
+#keyset[id]
+asm_operand_named_asm_operands(
+  int id: @asm_operand_named ref,
+  int asm_operand: @asm_operand ref
+);
+
+#keyset[id]
+asm_operand_named_names(
+  int id: @asm_operand_named ref,
+  int name: @name ref
+);
+
+asm_options_lists(
+  unique int id: @asm_options_list
+);
+
+#keyset[id, index]
+asm_options_list_asm_options(
+  int id: @asm_options_list ref,
+  int index: int ref,
+  int asm_option: @asm_option ref
+);
+
+asm_reg_operands(
+  unique int id: @asm_reg_operand
+);
+
+#keyset[id]
+asm_reg_operand_asm_dir_specs(
+  int id: @asm_reg_operand ref,
+  int asm_dir_spec: @asm_dir_spec ref
+);
+
+#keyset[id]
+asm_reg_operand_asm_operand_exprs(
+  int id: @asm_reg_operand ref,
+  int asm_operand_expr: @asm_operand_expr ref
+);
+
+#keyset[id]
+asm_reg_operand_asm_reg_specs(
+  int id: @asm_reg_operand ref,
+  int asm_reg_spec: @asm_reg_spec ref
+);
+
+asm_syms(
+  unique int id: @asm_sym
+);
+
+#keyset[id]
+asm_sym_paths(
+  int id: @asm_sym ref,
+  int path: @path ref
+);
+
+assoc_type_args(
+  unique int id: @assoc_type_arg
+);
+
+#keyset[id]
+assoc_type_arg_const_args(
+  int id: @assoc_type_arg ref,
+  int const_arg: @const_arg ref
+);
+
+#keyset[id]
+assoc_type_arg_generic_arg_lists(
+  int id: @assoc_type_arg ref,
+  int generic_arg_list: @generic_arg_list ref
+);
+
+#keyset[id]
+assoc_type_arg_identifiers(
+  int id: @assoc_type_arg ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+assoc_type_arg_param_lists(
+  int id: @assoc_type_arg ref,
+  int param_list: @param_list ref
+);
+
+#keyset[id]
+assoc_type_arg_ret_types(
+  int id: @assoc_type_arg ref,
+  int ret_type: @ret_type_repr ref
+);
+
+#keyset[id]
+assoc_type_arg_return_type_syntaxes(
+  int id: @assoc_type_arg ref,
+  int return_type_syntax: @return_type_syntax ref
+);
+
+#keyset[id]
+assoc_type_arg_type_reprs(
+  int id: @assoc_type_arg ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+assoc_type_arg_type_bound_lists(
+  int id: @assoc_type_arg ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+await_exprs(
+  unique int id: @await_expr
+);
+
+#keyset[id, index]
+await_expr_attrs(
+  int id: @await_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+await_expr_exprs(
+  int id: @await_expr ref,
+  int expr: @expr ref
+);
+
+become_exprs(
+  unique int id: @become_expr
+);
+
+#keyset[id, index]
+become_expr_attrs(
+  int id: @become_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+become_expr_exprs(
+  int id: @become_expr ref,
+  int expr: @expr ref
+);
+
+binary_exprs(
+  unique int id: @binary_expr
+);
+
+#keyset[id, index]
+binary_expr_attrs(
+  int id: @binary_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+binary_expr_lhs(
+  int id: @binary_expr ref,
+  int lhs: @expr ref
+);
+
+#keyset[id]
+binary_expr_operator_names(
+  int id: @binary_expr ref,
+  string operator_name: string ref
+);
+
+#keyset[id]
+binary_expr_rhs(
+  int id: @binary_expr ref,
+  int rhs: @expr ref
+);
+
+box_pats(
+  unique int id: @box_pat
+);
+
+#keyset[id]
+box_pat_pats(
+  int id: @box_pat ref,
+  int pat: @pat ref
+);
+
+break_exprs(
+  unique int id: @break_expr
+);
+
+#keyset[id, index]
+break_expr_attrs(
+  int id: @break_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+break_expr_exprs(
+  int id: @break_expr ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+break_expr_lifetimes(
+  int id: @break_expr ref,
+  int lifetime: @lifetime ref
+);
+
+@call_expr_base =
+  @call_expr
+| @method_call_expr
+;
+
+#keyset[id]
+call_expr_base_arg_lists(
+  int id: @call_expr_base ref,
+  int arg_list: @arg_list ref
+);
+
+#keyset[id, index]
+call_expr_base_attrs(
+  int id: @call_expr_base ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+cast_exprs(
+  unique int id: @cast_expr
+);
+
+#keyset[id, index]
+cast_expr_attrs(
+  int id: @cast_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+cast_expr_exprs(
+  int id: @cast_expr ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+cast_expr_type_reprs(
+  int id: @cast_expr ref,
+  int type_repr: @type_repr ref
+);
+
+closure_exprs(
+  unique int id: @closure_expr
+);
+
+#keyset[id]
+closure_expr_bodies(
+  int id: @closure_expr ref,
+  int body: @expr ref
+);
+
+#keyset[id]
+closure_expr_closure_binders(
+  int id: @closure_expr ref,
+  int closure_binder: @closure_binder ref
+);
+
+#keyset[id]
+closure_expr_is_async(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_is_const(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_is_gen(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_is_move(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_is_static(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_ret_types(
+  int id: @closure_expr ref,
+  int ret_type: @ret_type_repr ref
+);
+
+comments(
+  unique int id: @comment,
+  int parent: @ast_node ref,
+  string text: string ref
+);
+
+const_args(
+  unique int id: @const_arg
+);
+
+#keyset[id]
+const_arg_exprs(
+  int id: @const_arg ref,
+  int expr: @expr ref
+);
+
+const_block_pats(
+  unique int id: @const_block_pat
+);
+
+#keyset[id]
+const_block_pat_block_exprs(
+  int id: @const_block_pat ref,
+  int block_expr: @block_expr ref
+);
+
+#keyset[id]
+const_block_pat_is_const(
+  int id: @const_block_pat ref
+);
+
+const_params(
+  unique int id: @const_param
+);
+
+#keyset[id, index]
+const_param_attrs(
+  int id: @const_param ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+const_param_default_vals(
+  int id: @const_param ref,
+  int default_val: @const_arg ref
+);
+
+#keyset[id]
+const_param_is_const(
+  int id: @const_param ref
+);
+
+#keyset[id]
+const_param_names(
+  int id: @const_param ref,
+  int name: @name ref
+);
+
+#keyset[id]
+const_param_type_reprs(
+  int id: @const_param ref,
+  int type_repr: @type_repr ref
+);
+
+continue_exprs(
+  unique int id: @continue_expr
+);
+
+#keyset[id, index]
+continue_expr_attrs(
+  int id: @continue_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+continue_expr_lifetimes(
+  int id: @continue_expr ref,
+  int lifetime: @lifetime ref
+);
+
+dyn_trait_type_reprs(
+  unique int id: @dyn_trait_type_repr
+);
+
+#keyset[id]
+dyn_trait_type_repr_type_bound_lists(
+  int id: @dyn_trait_type_repr ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+expr_stmts(
+  unique int id: @expr_stmt
+);
+
+#keyset[id]
+expr_stmt_exprs(
+  int id: @expr_stmt ref,
+  int expr: @expr ref
+);
+
+field_exprs(
+  unique int id: @field_expr
+);
+
+#keyset[id, index]
+field_expr_attrs(
+  int id: @field_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+field_expr_containers(
+  int id: @field_expr ref,
+  int container: @expr ref
+);
+
+#keyset[id]
+field_expr_identifiers(
+  int id: @field_expr ref,
+  int identifier: @name_ref ref
+);
+
+fn_ptr_type_reprs(
+  unique int id: @fn_ptr_type_repr
+);
+
+#keyset[id]
+fn_ptr_type_repr_abis(
+  int id: @fn_ptr_type_repr ref,
+  int abi: @abi ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_is_async(
+  int id: @fn_ptr_type_repr ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_is_const(
+  int id: @fn_ptr_type_repr ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_is_unsafe(
+  int id: @fn_ptr_type_repr ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_param_lists(
+  int id: @fn_ptr_type_repr ref,
+  int param_list: @param_list ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_ret_types(
+  int id: @fn_ptr_type_repr ref,
+  int ret_type: @ret_type_repr ref
+);
+
+for_type_reprs(
+  unique int id: @for_type_repr
+);
+
+#keyset[id]
+for_type_repr_generic_param_lists(
+  int id: @for_type_repr ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+for_type_repr_type_reprs(
+  int id: @for_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+format_args_exprs(
+  unique int id: @format_args_expr
+);
+
+#keyset[id, index]
+format_args_expr_args(
+  int id: @format_args_expr ref,
+  int index: int ref,
+  int arg: @format_args_arg ref
+);
+
+#keyset[id, index]
+format_args_expr_attrs(
+  int id: @format_args_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+format_args_expr_templates(
+  int id: @format_args_expr ref,
+  int template: @expr ref
+);
+
+ident_pats(
+  unique int id: @ident_pat
+);
+
+#keyset[id, index]
+ident_pat_attrs(
+  int id: @ident_pat ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+ident_pat_is_mut(
+  int id: @ident_pat ref
+);
+
+#keyset[id]
+ident_pat_is_ref(
+  int id: @ident_pat ref
+);
+
+#keyset[id]
+ident_pat_names(
+  int id: @ident_pat ref,
+  int name: @name ref
+);
+
+#keyset[id]
+ident_pat_pats(
+  int id: @ident_pat ref,
+  int pat: @pat ref
+);
+
+if_exprs(
+  unique int id: @if_expr
+);
+
+#keyset[id, index]
+if_expr_attrs(
+  int id: @if_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+if_expr_conditions(
+  int id: @if_expr ref,
+  int condition: @expr ref
+);
+
+#keyset[id]
+if_expr_elses(
+  int id: @if_expr ref,
+  int else: @expr ref
+);
+
+#keyset[id]
+if_expr_thens(
+  int id: @if_expr ref,
+  int then: @block_expr ref
+);
+
+impl_trait_type_reprs(
+  unique int id: @impl_trait_type_repr
+);
+
+#keyset[id]
+impl_trait_type_repr_type_bound_lists(
+  int id: @impl_trait_type_repr ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+index_exprs(
+  unique int id: @index_expr
+);
+
+#keyset[id, index]
+index_expr_attrs(
+  int id: @index_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+index_expr_bases(
+  int id: @index_expr ref,
+  int base: @expr ref
+);
+
+#keyset[id]
+index_expr_indices(
+  int id: @index_expr ref,
+  int index: @expr ref
+);
+
+infer_type_reprs(
+  unique int id: @infer_type_repr
+);
+
+@item =
+  @adt
+| @assoc_item
+| @extern_block
+| @extern_crate
+| @extern_item
+| @impl
+| @macro_def
+| @macro_rules
+| @module
+| @trait
+| @trait_alias
+| @use
+;
+
+#keyset[id]
+item_attribute_macro_expansions(
+  int id: @item ref,
+  int attribute_macro_expansion: @macro_items ref
+);
+
+@labelable_expr =
+  @block_expr
+| @looping_expr
+;
+
+#keyset[id]
+labelable_expr_labels(
+  int id: @labelable_expr ref,
+  int label: @label ref
+);
+
+let_exprs(
+  unique int id: @let_expr
+);
+
+#keyset[id, index]
+let_expr_attrs(
+  int id: @let_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+let_expr_scrutinees(
+  int id: @let_expr ref,
+  int scrutinee: @expr ref
+);
+
+#keyset[id]
+let_expr_pats(
+  int id: @let_expr ref,
+  int pat: @pat ref
+);
+
+let_stmts(
+  unique int id: @let_stmt
+);
+
+#keyset[id, index]
+let_stmt_attrs(
+  int id: @let_stmt ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+let_stmt_initializers(
+  int id: @let_stmt ref,
+  int initializer: @expr ref
+);
+
+#keyset[id]
+let_stmt_let_elses(
+  int id: @let_stmt ref,
+  int let_else: @let_else ref
+);
+
+#keyset[id]
+let_stmt_pats(
+  int id: @let_stmt ref,
+  int pat: @pat ref
+);
+
+#keyset[id]
+let_stmt_type_reprs(
+  int id: @let_stmt ref,
+  int type_repr: @type_repr ref
+);
+
+lifetimes(
+  unique int id: @lifetime
+);
+
+#keyset[id]
+lifetime_texts(
+  int id: @lifetime ref,
+  string text: string ref
+);
+
+lifetime_args(
+  unique int id: @lifetime_arg
+);
+
+#keyset[id]
+lifetime_arg_lifetimes(
+  int id: @lifetime_arg ref,
+  int lifetime: @lifetime ref
+);
+
+lifetime_params(
+  unique int id: @lifetime_param
+);
+
+#keyset[id, index]
+lifetime_param_attrs(
+  int id: @lifetime_param ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+lifetime_param_lifetimes(
+  int id: @lifetime_param ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+lifetime_param_type_bound_lists(
+  int id: @lifetime_param ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+literal_exprs(
+  unique int id: @literal_expr
+);
+
+#keyset[id, index]
+literal_expr_attrs(
+  int id: @literal_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+literal_expr_text_values(
+  int id: @literal_expr ref,
+  string text_value: string ref
+);
+
+literal_pats(
+  unique int id: @literal_pat
+);
+
+#keyset[id]
+literal_pat_literals(
+  int id: @literal_pat ref,
+  int literal: @literal_expr ref
+);
+
+macro_block_exprs(
+  unique int id: @macro_block_expr
+);
+
+#keyset[id]
+macro_block_expr_tail_exprs(
+  int id: @macro_block_expr ref,
+  int tail_expr: @expr ref
+);
+
+#keyset[id, index]
+macro_block_expr_statements(
+  int id: @macro_block_expr ref,
+  int index: int ref,
+  int statement: @stmt ref
+);
+
+macro_exprs(
+  unique int id: @macro_expr
+);
+
+#keyset[id]
+macro_expr_macro_calls(
+  int id: @macro_expr ref,
+  int macro_call: @macro_call ref
+);
+
+macro_pats(
+  unique int id: @macro_pat
+);
+
+#keyset[id]
+macro_pat_macro_calls(
+  int id: @macro_pat ref,
+  int macro_call: @macro_call ref
+);
+
+macro_type_reprs(
+  unique int id: @macro_type_repr
+);
+
+#keyset[id]
+macro_type_repr_macro_calls(
+  int id: @macro_type_repr ref,
+  int macro_call: @macro_call ref
+);
+
+match_exprs(
+  unique int id: @match_expr
+);
+
+#keyset[id, index]
+match_expr_attrs(
+  int id: @match_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+match_expr_scrutinees(
+  int id: @match_expr ref,
+  int scrutinee: @expr ref
+);
+
+#keyset[id]
+match_expr_match_arm_lists(
+  int id: @match_expr ref,
+  int match_arm_list: @match_arm_list ref
+);
+
+name_refs(
+  unique int id: @name_ref
+);
+
+#keyset[id]
+name_ref_texts(
+  int id: @name_ref ref,
+  string text: string ref
+);
+
+never_type_reprs(
+  unique int id: @never_type_repr
+);
+
+offset_of_exprs(
+  unique int id: @offset_of_expr
+);
+
+#keyset[id, index]
+offset_of_expr_attrs(
+  int id: @offset_of_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+offset_of_expr_fields(
+  int id: @offset_of_expr ref,
+  int index: int ref,
+  int field: @name_ref ref
+);
+
+#keyset[id]
+offset_of_expr_type_reprs(
+  int id: @offset_of_expr ref,
+  int type_repr: @type_repr ref
+);
+
+or_pats(
+  unique int id: @or_pat
+);
+
+#keyset[id, index]
+or_pat_pats(
+  int id: @or_pat ref,
+  int index: int ref,
+  int pat: @pat ref
+);
+
+params(
+  unique int id: @param
+);
+
+#keyset[id]
+param_pats(
+  int id: @param ref,
+  int pat: @pat ref
+);
+
+paren_exprs(
+  unique int id: @paren_expr
+);
+
+#keyset[id, index]
+paren_expr_attrs(
+  int id: @paren_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+paren_expr_exprs(
+  int id: @paren_expr ref,
+  int expr: @expr ref
+);
+
+paren_pats(
+  unique int id: @paren_pat
+);
+
+#keyset[id]
+paren_pat_pats(
+  int id: @paren_pat ref,
+  int pat: @pat ref
+);
+
+paren_type_reprs(
+  unique int id: @paren_type_repr
+);
+
+#keyset[id]
+paren_type_repr_type_reprs(
+  int id: @paren_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+@path_ast_node =
+  @path_expr
+| @path_pat
+| @struct_expr
+| @struct_pat
+| @tuple_struct_pat
+;
+
+#keyset[id]
+path_ast_node_paths(
+  int id: @path_ast_node ref,
+  int path: @path ref
+);
+
+@path_expr_base =
+  @path_expr
+;
+
+path_type_reprs(
+  unique int id: @path_type_repr
+);
+
+#keyset[id]
+path_type_repr_paths(
+  int id: @path_type_repr ref,
+  int path: @path ref
+);
+
+prefix_exprs(
+  unique int id: @prefix_expr
+);
+
+#keyset[id, index]
+prefix_expr_attrs(
+  int id: @prefix_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+prefix_expr_exprs(
+  int id: @prefix_expr ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+prefix_expr_operator_names(
+  int id: @prefix_expr ref,
+  string operator_name: string ref
+);
+
+ptr_type_reprs(
+  unique int id: @ptr_type_repr
+);
+
+#keyset[id]
+ptr_type_repr_is_const(
+  int id: @ptr_type_repr ref
+);
+
+#keyset[id]
+ptr_type_repr_is_mut(
+  int id: @ptr_type_repr ref
+);
+
+#keyset[id]
+ptr_type_repr_type_reprs(
+  int id: @ptr_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+range_exprs(
+  unique int id: @range_expr
+);
+
+#keyset[id, index]
+range_expr_attrs(
+  int id: @range_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+range_expr_ends(
+  int id: @range_expr ref,
+  int end: @expr ref
+);
+
+#keyset[id]
+range_expr_operator_names(
+  int id: @range_expr ref,
+  string operator_name: string ref
+);
+
+#keyset[id]
+range_expr_starts(
+  int id: @range_expr ref,
+  int start: @expr ref
+);
+
+range_pats(
+  unique int id: @range_pat
+);
+
+#keyset[id]
+range_pat_ends(
+  int id: @range_pat ref,
+  int end: @pat ref
+);
+
+#keyset[id]
+range_pat_operator_names(
+  int id: @range_pat ref,
+  string operator_name: string ref
+);
+
+#keyset[id]
+range_pat_starts(
+  int id: @range_pat ref,
+  int start: @pat ref
+);
+
+ref_exprs(
+  unique int id: @ref_expr
+);
+
+#keyset[id, index]
+ref_expr_attrs(
+  int id: @ref_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+ref_expr_exprs(
+  int id: @ref_expr ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+ref_expr_is_const(
+  int id: @ref_expr ref
+);
+
+#keyset[id]
+ref_expr_is_mut(
+  int id: @ref_expr ref
+);
+
+#keyset[id]
+ref_expr_is_raw(
+  int id: @ref_expr ref
+);
+
+ref_pats(
+  unique int id: @ref_pat
+);
+
+#keyset[id]
+ref_pat_is_mut(
+  int id: @ref_pat ref
+);
+
+#keyset[id]
+ref_pat_pats(
+  int id: @ref_pat ref,
+  int pat: @pat ref
+);
+
+ref_type_reprs(
+  unique int id: @ref_type_repr
+);
+
+#keyset[id]
+ref_type_repr_is_mut(
+  int id: @ref_type_repr ref
+);
+
+#keyset[id]
+ref_type_repr_lifetimes(
+  int id: @ref_type_repr ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+ref_type_repr_type_reprs(
+  int id: @ref_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+rest_pats(
+  unique int id: @rest_pat
+);
+
+#keyset[id, index]
+rest_pat_attrs(
+  int id: @rest_pat ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+return_exprs(
+  unique int id: @return_expr
+);
+
+#keyset[id, index]
+return_expr_attrs(
+  int id: @return_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+return_expr_exprs(
+  int id: @return_expr ref,
+  int expr: @expr ref
+);
+
+self_params(
+  unique int id: @self_param
+);
+
+#keyset[id]
+self_param_is_ref(
+  int id: @self_param ref
+);
+
+#keyset[id]
+self_param_is_mut(
+  int id: @self_param ref
+);
+
+#keyset[id]
+self_param_lifetimes(
+  int id: @self_param ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+self_param_names(
+  int id: @self_param ref,
+  int name: @name ref
+);
+
+slice_pats(
+  unique int id: @slice_pat
+);
+
+#keyset[id, index]
+slice_pat_pats(
+  int id: @slice_pat ref,
+  int index: int ref,
+  int pat: @pat ref
+);
+
+slice_type_reprs(
+  unique int id: @slice_type_repr
+);
+
+#keyset[id]
+slice_type_repr_type_reprs(
+  int id: @slice_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+struct_field_lists(
+  unique int id: @struct_field_list
+);
+
+#keyset[id, index]
+struct_field_list_fields(
+  int id: @struct_field_list ref,
+  int index: int ref,
+  int field: @struct_field ref
+);
+
+try_exprs(
+  unique int id: @try_expr
+);
+
+#keyset[id, index]
+try_expr_attrs(
+  int id: @try_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+try_expr_exprs(
+  int id: @try_expr ref,
+  int expr: @expr ref
+);
+
+tuple_exprs(
+  unique int id: @tuple_expr
+);
+
+#keyset[id, index]
+tuple_expr_attrs(
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+tuple_expr_fields(
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int field: @expr ref
+);
+
+tuple_field_lists(
+  unique int id: @tuple_field_list
+);
+
+#keyset[id, index]
+tuple_field_list_fields(
+  int id: @tuple_field_list ref,
+  int index: int ref,
+  int field: @tuple_field ref
+);
+
+tuple_pats(
+  unique int id: @tuple_pat
+);
+
+#keyset[id, index]
+tuple_pat_fields(
+  int id: @tuple_pat ref,
+  int index: int ref,
+  int field: @pat ref
+);
+
+tuple_type_reprs(
+  unique int id: @tuple_type_repr
+);
+
+#keyset[id, index]
+tuple_type_repr_fields(
+  int id: @tuple_type_repr ref,
+  int index: int ref,
+  int field: @type_repr ref
+);
+
+type_args(
+  unique int id: @type_arg
+);
+
+#keyset[id]
+type_arg_type_reprs(
+  int id: @type_arg ref,
+  int type_repr: @type_repr ref
+);
+
+type_params(
+  unique int id: @type_param
+);
+
+#keyset[id, index]
+type_param_attrs(
+  int id: @type_param ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+type_param_default_types(
+  int id: @type_param ref,
+  int default_type: @type_repr ref
+);
+
+#keyset[id]
+type_param_names(
+  int id: @type_param ref,
+  int name: @name ref
+);
+
+#keyset[id]
+type_param_type_bound_lists(
+  int id: @type_param ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+underscore_exprs(
+  unique int id: @underscore_expr
+);
+
+#keyset[id, index]
+underscore_expr_attrs(
+  int id: @underscore_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+variants(
+  unique int id: @variant
+);
+
+#keyset[id, index]
+variant_attrs(
+  int id: @variant ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+variant_discriminants(
+  int id: @variant ref,
+  int discriminant: @expr ref
+);
+
+#keyset[id]
+variant_field_lists(
+  int id: @variant ref,
+  int field_list: @field_list ref
+);
+
+#keyset[id]
+variant_names(
+  int id: @variant ref,
+  int name: @name ref
+);
+
+#keyset[id]
+variant_visibilities(
+  int id: @variant ref,
+  int visibility: @visibility ref
+);
+
+wildcard_pats(
+  unique int id: @wildcard_pat
+);
+
+yeet_exprs(
+  unique int id: @yeet_expr
+);
+
+#keyset[id, index]
+yeet_expr_attrs(
+  int id: @yeet_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+yeet_expr_exprs(
+  int id: @yeet_expr ref,
+  int expr: @expr ref
+);
+
+yield_exprs(
+  unique int id: @yield_expr
+);
+
+#keyset[id, index]
+yield_expr_attrs(
+  int id: @yield_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+yield_expr_exprs(
+  int id: @yield_expr ref,
+  int expr: @expr ref
+);
+
+@adt =
+  @enum
+| @struct
+| @union
+;
+
+#keyset[id, index]
+adt_derive_macro_expansions(
+  int id: @adt ref,
+  int index: int ref,
+  int derive_macro_expansion: @macro_items ref
+);
+
+@assoc_item =
+  @const
+| @function
+| @macro_call
+| @type_alias
+;
+
+block_exprs(
+  unique int id: @block_expr
+);
+
+#keyset[id, index]
+block_expr_attrs(
+  int id: @block_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+block_expr_is_async(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_const(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_gen(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_move(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_try(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_unsafe(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_stmt_lists(
+  int id: @block_expr ref,
+  int stmt_list: @stmt_list ref
+);
+
+call_exprs(
+  unique int id: @call_expr
+);
+
+#keyset[id]
+call_expr_functions(
+  int id: @call_expr ref,
+  int function: @expr ref
+);
+
+extern_blocks(
+  unique int id: @extern_block
+);
+
+#keyset[id]
+extern_block_abis(
+  int id: @extern_block ref,
+  int abi: @abi ref
+);
+
+#keyset[id, index]
+extern_block_attrs(
+  int id: @extern_block ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+extern_block_extern_item_lists(
+  int id: @extern_block ref,
+  int extern_item_list: @extern_item_list ref
+);
+
+#keyset[id]
+extern_block_is_unsafe(
+  int id: @extern_block ref
+);
+
+extern_crates(
+  unique int id: @extern_crate
+);
+
+#keyset[id, index]
+extern_crate_attrs(
+  int id: @extern_crate ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+extern_crate_identifiers(
+  int id: @extern_crate ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+extern_crate_renames(
+  int id: @extern_crate ref,
+  int rename: @rename ref
+);
+
+#keyset[id]
+extern_crate_visibilities(
+  int id: @extern_crate ref,
+  int visibility: @visibility ref
+);
+
+@extern_item =
+  @function
+| @macro_call
+| @static
+| @type_alias
+;
+
+impls(
+  unique int id: @impl
+);
+
+#keyset[id]
+impl_assoc_item_lists(
+  int id: @impl ref,
+  int assoc_item_list: @assoc_item_list ref
+);
+
+#keyset[id, index]
+impl_attrs(
+  int id: @impl ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+impl_generic_param_lists(
+  int id: @impl ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+impl_is_const(
+  int id: @impl ref
+);
+
+#keyset[id]
+impl_is_default(
+  int id: @impl ref
+);
+
+#keyset[id]
+impl_is_unsafe(
+  int id: @impl ref
+);
+
+#keyset[id]
+impl_self_ties(
+  int id: @impl ref,
+  int self_ty: @type_repr ref
+);
+
+#keyset[id]
+impl_traits(
+  int id: @impl ref,
+  int trait: @type_repr ref
+);
+
+#keyset[id]
+impl_visibilities(
+  int id: @impl ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+impl_where_clauses(
+  int id: @impl ref,
+  int where_clause: @where_clause ref
+);
+
+@looping_expr =
+  @for_expr
+| @loop_expr
+| @while_expr
+;
+
+#keyset[id]
+looping_expr_loop_bodies(
+  int id: @looping_expr ref,
+  int loop_body: @block_expr ref
+);
+
+macro_defs(
+  unique int id: @macro_def
+);
+
+#keyset[id]
+macro_def_args(
+  int id: @macro_def ref,
+  int args: @token_tree ref
+);
+
+#keyset[id, index]
+macro_def_attrs(
+  int id: @macro_def ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+macro_def_bodies(
+  int id: @macro_def ref,
+  int body: @token_tree ref
+);
+
+#keyset[id]
+macro_def_names(
+  int id: @macro_def ref,
+  int name: @name ref
+);
+
+#keyset[id]
+macro_def_visibilities(
+  int id: @macro_def ref,
+  int visibility: @visibility ref
+);
+
+macro_rules(
+  unique int id: @macro_rules
+);
+
+#keyset[id, index]
+macro_rules_attrs(
+  int id: @macro_rules ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+macro_rules_names(
+  int id: @macro_rules ref,
+  int name: @name ref
+);
+
+#keyset[id]
+macro_rules_token_trees(
+  int id: @macro_rules ref,
+  int token_tree: @token_tree ref
+);
+
+#keyset[id]
+macro_rules_visibilities(
+  int id: @macro_rules ref,
+  int visibility: @visibility ref
+);
+
+method_call_exprs(
+  unique int id: @method_call_expr
+);
+
+#keyset[id]
+method_call_expr_generic_arg_lists(
+  int id: @method_call_expr ref,
+  int generic_arg_list: @generic_arg_list ref
+);
+
+#keyset[id]
+method_call_expr_identifiers(
+  int id: @method_call_expr ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+method_call_expr_receivers(
+  int id: @method_call_expr ref,
+  int receiver: @expr ref
+);
+
+modules(
+  unique int id: @module
+);
+
+#keyset[id, index]
+module_attrs(
+  int id: @module ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+module_item_lists(
+  int id: @module ref,
+  int item_list: @item_list ref
+);
+
+#keyset[id]
+module_names(
+  int id: @module ref,
+  int name: @name ref
+);
+
+#keyset[id]
+module_visibilities(
+  int id: @module ref,
+  int visibility: @visibility ref
+);
+
+path_exprs(
+  unique int id: @path_expr
+);
+
+#keyset[id, index]
+path_expr_attrs(
+  int id: @path_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+path_pats(
+  unique int id: @path_pat
+);
+
+struct_exprs(
+  unique int id: @struct_expr
+);
+
+#keyset[id]
+struct_expr_struct_expr_field_lists(
+  int id: @struct_expr ref,
+  int struct_expr_field_list: @struct_expr_field_list ref
+);
+
+struct_pats(
+  unique int id: @struct_pat
+);
+
+#keyset[id]
+struct_pat_struct_pat_field_lists(
+  int id: @struct_pat ref,
+  int struct_pat_field_list: @struct_pat_field_list ref
+);
+
+traits(
+  unique int id: @trait
+);
+
+#keyset[id]
+trait_assoc_item_lists(
+  int id: @trait ref,
+  int assoc_item_list: @assoc_item_list ref
+);
+
+#keyset[id, index]
+trait_attrs(
+  int id: @trait ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+trait_generic_param_lists(
+  int id: @trait ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+trait_is_auto(
+  int id: @trait ref
+);
+
+#keyset[id]
+trait_is_unsafe(
+  int id: @trait ref
+);
+
+#keyset[id]
+trait_names(
+  int id: @trait ref,
+  int name: @name ref
+);
+
+#keyset[id]
+trait_type_bound_lists(
+  int id: @trait ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+#keyset[id]
+trait_visibilities(
+  int id: @trait ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+trait_where_clauses(
+  int id: @trait ref,
+  int where_clause: @where_clause ref
+);
+
+trait_aliases(
+  unique int id: @trait_alias
+);
+
+#keyset[id, index]
+trait_alias_attrs(
+  int id: @trait_alias ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+trait_alias_generic_param_lists(
+  int id: @trait_alias ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+trait_alias_names(
+  int id: @trait_alias ref,
+  int name: @name ref
+);
+
+#keyset[id]
+trait_alias_type_bound_lists(
+  int id: @trait_alias ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+#keyset[id]
+trait_alias_visibilities(
+  int id: @trait_alias ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+trait_alias_where_clauses(
+  int id: @trait_alias ref,
+  int where_clause: @where_clause ref
+);
+
+tuple_struct_pats(
+  unique int id: @tuple_struct_pat
+);
+
+#keyset[id, index]
+tuple_struct_pat_fields(
+  int id: @tuple_struct_pat ref,
+  int index: int ref,
+  int field: @pat ref
+);
+
+uses(
+  unique int id: @use
+);
+
+#keyset[id, index]
+use_attrs(
+  int id: @use ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+use_use_trees(
+  int id: @use ref,
+  int use_tree: @use_tree ref
+);
+
+#keyset[id]
+use_visibilities(
+  int id: @use ref,
+  int visibility: @visibility ref
+);
+
+consts(
+  unique int id: @const
+);
+
+#keyset[id, index]
+const_attrs(
+  int id: @const ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+const_bodies(
+  int id: @const ref,
+  int body: @expr ref
+);
+
+#keyset[id]
+const_generic_param_lists(
+  int id: @const ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+const_is_const(
+  int id: @const ref
+);
+
+#keyset[id]
+const_is_default(
+  int id: @const ref
+);
+
+#keyset[id]
+const_names(
+  int id: @const ref,
+  int name: @name ref
+);
+
+#keyset[id]
+const_type_reprs(
+  int id: @const ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+const_visibilities(
+  int id: @const ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+const_where_clauses(
+  int id: @const ref,
+  int where_clause: @where_clause ref
+);
+
+#keyset[id]
+const_has_implementation(
+  int id: @const ref
+);
+
+enums(
+  unique int id: @enum
+);
+
+#keyset[id, index]
+enum_attrs(
+  int id: @enum ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+enum_generic_param_lists(
+  int id: @enum ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+enum_names(
+  int id: @enum ref,
+  int name: @name ref
+);
+
+#keyset[id]
+enum_variant_lists(
+  int id: @enum ref,
+  int variant_list: @variant_list ref
+);
+
+#keyset[id]
+enum_visibilities(
+  int id: @enum ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+enum_where_clauses(
+  int id: @enum ref,
+  int where_clause: @where_clause ref
+);
+
+for_exprs(
+  unique int id: @for_expr
+);
+
+#keyset[id, index]
+for_expr_attrs(
+  int id: @for_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+for_expr_iterables(
+  int id: @for_expr ref,
+  int iterable: @expr ref
+);
+
+#keyset[id]
+for_expr_pats(
+  int id: @for_expr ref,
+  int pat: @pat ref
+);
+
+functions(
+  unique int id: @function
+);
+
+#keyset[id]
+function_abis(
+  int id: @function ref,
+  int abi: @abi ref
+);
+
+#keyset[id]
+function_bodies(
+  int id: @function ref,
+  int body: @block_expr ref
+);
+
+#keyset[id]
+function_generic_param_lists(
+  int id: @function ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+function_is_async(
+  int id: @function ref
+);
+
+#keyset[id]
+function_is_const(
+  int id: @function ref
+);
+
+#keyset[id]
+function_is_default(
+  int id: @function ref
+);
+
+#keyset[id]
+function_is_gen(
+  int id: @function ref
+);
+
+#keyset[id]
+function_is_unsafe(
+  int id: @function ref
+);
+
+#keyset[id]
+function_names(
+  int id: @function ref,
+  int name: @name ref
+);
+
+#keyset[id]
+function_ret_types(
+  int id: @function ref,
+  int ret_type: @ret_type_repr ref
+);
+
+#keyset[id]
+function_visibilities(
+  int id: @function ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+function_where_clauses(
+  int id: @function ref,
+  int where_clause: @where_clause ref
+);
+
+#keyset[id]
+function_has_implementation(
+  int id: @function ref
+);
+
+loop_exprs(
+  unique int id: @loop_expr
+);
+
+#keyset[id, index]
+loop_expr_attrs(
+  int id: @loop_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+macro_calls(
+  unique int id: @macro_call
+);
+
+#keyset[id, index]
+macro_call_attrs(
+  int id: @macro_call ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+macro_call_paths(
+  int id: @macro_call ref,
+  int path: @path ref
+);
+
+#keyset[id]
+macro_call_token_trees(
+  int id: @macro_call ref,
+  int token_tree: @token_tree ref
+);
+
+#keyset[id]
+macro_call_macro_call_expansions(
+  int id: @macro_call ref,
+  int macro_call_expansion: @ast_node ref
+);
+
+statics(
+  unique int id: @static
+);
+
+#keyset[id, index]
+static_attrs(
+  int id: @static ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+static_bodies(
+  int id: @static ref,
+  int body: @expr ref
+);
+
+#keyset[id]
+static_is_mut(
+  int id: @static ref
+);
+
+#keyset[id]
+static_is_static(
+  int id: @static ref
+);
+
+#keyset[id]
+static_is_unsafe(
+  int id: @static ref
+);
+
+#keyset[id]
+static_names(
+  int id: @static ref,
+  int name: @name ref
+);
+
+#keyset[id]
+static_type_reprs(
+  int id: @static ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+static_visibilities(
+  int id: @static ref,
+  int visibility: @visibility ref
+);
+
+structs(
+  unique int id: @struct
+);
+
+#keyset[id, index]
+struct_attrs(
+  int id: @struct ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+struct_field_lists_(
+  int id: @struct ref,
+  int field_list: @field_list ref
+);
+
+#keyset[id]
+struct_generic_param_lists(
+  int id: @struct ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+struct_names(
+  int id: @struct ref,
+  int name: @name ref
+);
+
+#keyset[id]
+struct_visibilities(
+  int id: @struct ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+struct_where_clauses(
+  int id: @struct ref,
+  int where_clause: @where_clause ref
+);
+
+type_aliases(
+  unique int id: @type_alias
+);
+
+#keyset[id, index]
+type_alias_attrs(
+  int id: @type_alias ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+type_alias_generic_param_lists(
+  int id: @type_alias ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+type_alias_is_default(
+  int id: @type_alias ref
+);
+
+#keyset[id]
+type_alias_names(
+  int id: @type_alias ref,
+  int name: @name ref
+);
+
+#keyset[id]
+type_alias_type_reprs(
+  int id: @type_alias ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+type_alias_type_bound_lists(
+  int id: @type_alias ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+#keyset[id]
+type_alias_visibilities(
+  int id: @type_alias ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+type_alias_where_clauses(
+  int id: @type_alias ref,
+  int where_clause: @where_clause ref
+);
+
+unions(
+  unique int id: @union
+);
+
+#keyset[id, index]
+union_attrs(
+  int id: @union ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+union_generic_param_lists(
+  int id: @union ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+union_names(
+  int id: @union ref,
+  int name: @name ref
+);
+
+#keyset[id]
+union_struct_field_lists(
+  int id: @union ref,
+  int struct_field_list: @struct_field_list ref
+);
+
+#keyset[id]
+union_visibilities(
+  int id: @union ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+union_where_clauses(
+  int id: @union ref,
+  int where_clause: @where_clause ref
+);
+
+while_exprs(
+  unique int id: @while_expr
+);
+
+#keyset[id, index]
+while_expr_attrs(
+  int id: @while_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+while_expr_conditions(
+  int id: @while_expr ref,
+  int condition: @expr ref
+);
diff --git a/rust/downgrades/3c1990e7f1da60ff6c53ee4f1ab85e1e7457e325/upgrade.properties b/rust/downgrades/3c1990e7f1da60ff6c53ee4f1ab85e1e7457e325/upgrade.properties
new file mode 100644
index 00000000000..597a1e6181b
--- /dev/null
+++ b/rust/downgrades/3c1990e7f1da60ff6c53ee4f1ab85e1e7457e325/upgrade.properties
@@ -0,0 +1,2 @@
+description: TODO
+compatibility: backwards
diff --git a/rust/ql/.generated.list b/rust/ql/.generated.list
index 2a093c83953..96f12505868 100644
--- a/rust/ql/.generated.list
+++ b/rust/ql/.generated.list
@@ -58,7 +58,7 @@ lib/codeql/rust/elements/FieldList.qll 72f3eace2f0c0600b1ad059819ae756f1feccd155
 lib/codeql/rust/elements/FnPtrTypeRepr.qll d4586ac5ee2382b5ef9daafa77c7b3c1b7564647aa20d1efb1626299cde87ba9 48d9b63725c9cd89d79f9806fa5d5f22d7815e70bbd78d8da40a2359ac53fef5
 lib/codeql/rust/elements/ForBinder.qll ee29b55cb4c1fa5180cc4ee1236ac089fe9f67ffa9e5a1474003b717f1ac6e0f 5b811c8cf9550cb675034315e03c5cbbfa7544ad3a696988e04d780037d434bf
 lib/codeql/rust/elements/ForExpr.qll a050f60cf6fcc3ce66f5042be1b8096e5207fe2674d7477f9e299091ca99a4bd d7198495139649778894e930163add2d16b5588dd12bd6e094a9aec6863cb16f
-lib/codeql/rust/elements/ForTypeRepr.qll 0315e6850eb09d9debdd6843e4ce0cfa15a4b9502f1b81dbaafcd263efc62511 e0e612a9686502f3ff48321fea28be6f0720dfd22aad929b446b573ae70297d4
+lib/codeql/rust/elements/ForTypeRepr.qll 32473eeafc32aabfda770d585fd77a19f4eb0b55f1d78ae78f220b6371b6169c a3c4d5d406abe5513f3ed7a80a3d1cbd4d5cdeec2704eb1c12081220ebe44618
 lib/codeql/rust/elements/Format.qll 1b186730710e7e29ea47594998f0b359ad308927f84841adae0c0cb35fc8aeda d6f7bfdda60a529fb9e9a1975628d5bd11aa28a45e295c7526692ac662fd19f8
 lib/codeql/rust/elements/FormatArgsArg.qll a2c23cd512d44dd60b7d65eba52cc3adf6e2fbbcd0588be375daa16002cd7741 d9c5fe183fb228375223d83f857b7a9ee686f1d3e341bcf323d7c6f39652f88b
 lib/codeql/rust/elements/FormatArgsExpr.qll 8127cbe4082f7acc3d8a05298c2c9bea302519b8a6cd2d158a83c516d18fc487 88cf9b3bedd69a1150968f9a465c904bbb6805da0e0b90cfd1fc0dab1f6d9319
@@ -168,7 +168,7 @@ lib/codeql/rust/elements/TupleStructPat.qll da398a23eb616bf7dd586b2a87f4ab00f286
 lib/codeql/rust/elements/TupleTypeRepr.qll 1ac5abf6281ea31680a4098407fbe55459d08f92a50dec20d1f8b93d498eee41 6d9625cce4e4abf6b6e6c22e47880fbd23740d07b621137bd7fa0a2ee13badd9
 lib/codeql/rust/elements/TypeAlias.qll b59f24488f0d7de8d4046a9e0ca1e1f54d1d5c11e035898b11ab97e151fc600f 7b25c9e14c8bb310cec796824904fcefced2cc486d55e981b80b7620e73dd2d7
 lib/codeql/rust/elements/TypeArg.qll e91dbb399d2ab7cf7af9dd5f743a551d0bf91dba3cfb76cea9e2d42ada0f9f2e c67d64e20e35a9bba5092651e0f82c75ba53b8c165e823bc81d67975107ae375
-lib/codeql/rust/elements/TypeBound.qll d5b2a904e497ba1899fb9e19547a6dfa7716c8aabe1e6e19070cbb58af32321b eabb16616afe3e88a25db4519174828a7ead1eb69ec7f98ef4abf4b3ead1c220
+lib/codeql/rust/elements/TypeBound.qll 33583aed81734348c5097851cde3568668f259c000ccde901c75a3f2eef30237 3c9e541d47c5cfbcb0b1c5806f5d9abd7f51382d1efc1328742439e11285ab32
 lib/codeql/rust/elements/TypeBoundList.qll 61a861e89b3de23801c723531cd3331a61214817a230aaae74d91cb60f0e096f d54e3d830bb550c5ba082ccd09bc0dc4e6e44e8d11066a7afba5a7172aa687a8
 lib/codeql/rust/elements/TypeParam.qll 0787c1cc0c121e5b46f7d8e25153fd1b181bd3432eb040cf3b4ae3ed9ac2f28c 50092950f52a4e3bfd961dff4ffd8a719ef66ca1a0914bd33e26fed538321999
 lib/codeql/rust/elements/TypeRepr.qll ea41b05ef0aaac71da460f9a6a8331cf98166f2c388526068ddacbd67488c892 11a01e42dab9183bac14de1ca49131788ede99e75b0ef759efcbc7cf08524184
@@ -185,7 +185,7 @@ lib/codeql/rust/elements/Variant.qll 7895461fa728f6c3a7293799c5e6b965b413b679566
 lib/codeql/rust/elements/VariantList.qll 39803fbb873d48202c2a511c00c8eafede06e519894e0fd050c2a85bf5f4aa73 1735f89b2b8f6d5960a276b87ea10e4bb8c848c24a5d5fad7f3add7a4d94b7da
 lib/codeql/rust/elements/Visibility.qll aa69e8a3fd3b01f6fea0ae2d841a2adc51f4e46dcfc9f8f03c34fbe96f7e24e7 0d475e97e07b73c8da2b53555085b8309d8dc69c113bcb396fc901361dbfe6b8
 lib/codeql/rust/elements/WhereClause.qll 4e28e11ceec835a093e469854a4b615e698309cdcbc39ed83810e2e4e7c5953f 4736baf689b87dd6669cb0ef9e27eb2c0f2776ce7f29d7693670bbcea06eb4e4
-lib/codeql/rust/elements/WherePred.qll 35ef2580d20ffa6fadb05ea38152b5e4953b4dc827326e96969cd86d2dfdbfdc 6b8f7abf81bfeff7a16539f6a18746e02daedad42145b1c5a0b8cfa33676cbf8
+lib/codeql/rust/elements/WherePred.qll 589027c2fddb07620f74b8ed5e471fab49bef389749e498069d7c1fe50912cc7 dd7c90ff9c5bd563f0b8a088e0890ee11c6d5b2269223f22be01f0e1dbe0f5e2
 lib/codeql/rust/elements/WhileExpr.qll 4a37e3ecd37c306a9b93b610a0e45e18adc22fcd4ce955a519b679e9f89b97e8 82026faa73b94390544e61ed2f3aaeaabd3e457439bb76d2fb06b0d1edd63f49
 lib/codeql/rust/elements/WildcardPat.qll 4f941afc5f9f8d319719312399a8f787c75a0dbb709ec7cf488f019339635aab a9140a86da752f9126e586ddb9424b23b3fb4841a5420bac48108c38bb218930
 lib/codeql/rust/elements/YeetExpr.qll 4172bf70de31cab17639da6eed4a12a7afcefd7aa9182216c3811c822d3d6b17 88223aab1bef696f508e0605615d6b83e1eaef755314e6a651ae977edd3757c3
@@ -272,10 +272,9 @@ lib/codeql/rust/elements/internal/FieldListImpl.qll 6b80b573989ee85389c4485729a4
 lib/codeql/rust/elements/internal/FnPtrTypeReprConstructor.qll 61d8808ea027a6e04d5304c880974332a0195451f6b4474f84b3695ec907d865 0916c63a02b01a839fe23ec8b189d37dc1b8bc4e1ba753cbf6d6f5067a46965a
 lib/codeql/rust/elements/internal/FnPtrTypeReprImpl.qll 6b66f9bda1b5deba50a02b6ac7deb8e922da04cf19d6ed9834141bc97074bf14 b0a07d7b9204256a85188fda2deaf14e18d24e8a881727fd6e5b571bf9debdc8
 lib/codeql/rust/elements/internal/ForBinderConstructor.qll 98f16b0106a19210713404f4be8b1b9f70c88efb0b88bdf2f9ea9c8fbd129842 a7af9e75f11d824a60c367924542a31a0f46f7b1f88d3ee330d4dd26b2f29df5
-lib/codeql/rust/elements/internal/ForBinderImpl.qll 62e957e4e8a68816defed494e706a37a83ad30a455ded913b48c2c3d9c51d728 e38e1b93963513704efebec2c63e5f9a9eae372fe88e1dc8c480885e21528121
 lib/codeql/rust/elements/internal/ForExprConstructor.qll d79b88dac19256300b758ba0f37ce3f07e9f848d6ae0c1fdb87bd348e760aa3e 62123b11858293429aa609ea77d2f45cb8c8eebae80a1d81da6f3ad7d1dbc19b
 lib/codeql/rust/elements/internal/ForTypeReprConstructor.qll eae141dbe9256ab0eb812a926ebf226075d150f6506dfecb56c85eb169cdc76b 721c2272193a6f9504fb780d40e316a93247ebfb1f302bb0a0222af689300245
-lib/codeql/rust/elements/internal/ForTypeReprImpl.qll 75747779312b3f3ffdd02188053ba3f46b8922f02630711902f7a27eecced31a 71a900f014758d1473ef198c71892d42e20dd96e934d4bedb74581964c4d1503
+lib/codeql/rust/elements/internal/ForTypeReprImpl.qll d710208dfd3f54d973e86356f051e2938fed1025562965d6ecf6b19c0701de16 510baafa9ebc9b32969cefc5b68716fa02696f5814ae417b0cd2d9aece69f6ac
 lib/codeql/rust/elements/internal/FormatArgsArgConstructor.qll 8bd9b4e035ef8adeb3ac510dd68043934c0140facb933be1f240096d01cdfa11 74e9d3bbd8882ae59a7e88935d468e0a90a6529a4e2af6a3d83e93944470f0ee
 lib/codeql/rust/elements/internal/FormatArgsArgImpl.qll 6a8f55e51e141e4875ed03a7cc65eea49daa349de370b957e1e8c6bc4478425c 7efab8981ccbe75a4843315404674793dda66dde02ba432edbca25c7d355778a
 lib/codeql/rust/elements/internal/FormatArgsExprConstructor.qll ce29ff5a839b885b1ab7a02d6a381ae474ab1be3e6ee7dcfd7595bdf28e4b558 63bf957426871905a51ea319662a59e38104c197a1024360aca364dc145b11e8
@@ -422,7 +421,7 @@ lib/codeql/rust/elements/internal/TypeAliasConstructor.qll 048caa79eb7d400971e3e
 lib/codeql/rust/elements/internal/TypeArgConstructor.qll 51d621e170fdf5f91497f8cc8c1764ce8a59fde5a2b9ecfad17ce826a96c56c4 a5bbb329bde456a40ffa84a325a4be1271dbde842c1573d1beb7056c8fb0f681
 lib/codeql/rust/elements/internal/TypeArgImpl.qll 77886af8b2c045463c4c34d781c8f618eec5f5143098548047730f73c7e4a34a 6be6c519b71f9196e0559958e85efe8a78fbce7a90ca2401d7c402e46bc865c9
 lib/codeql/rust/elements/internal/TypeBoundConstructor.qll ba99616e65cf2811187016ff23e5b0005cfd0f1123622e908ff8b560aaa5847f fde78432b55b31cf68a3acb7093256217df37539f942c4441d1b1e7bf9271d89
-lib/codeql/rust/elements/internal/TypeBoundImpl.qll 8a68e3c3b2bffb02a11e07102f57e8806411dbcb57f24be27a0d615a1f6f20d4 e6c92d5df538a10519655c1d2a063bb1ca1538d5d8fe9353ed0e28ad6d56be0c
+lib/codeql/rust/elements/internal/TypeBoundImpl.qll 7274dc0307595f7431343d7542b9441362087bcb1115b21bc5ffa02f2d3dd678 257cad7cd2658cf707ee9ae2bb99a4c7e3e51e6c237d272f3058571f1e5cb133
 lib/codeql/rust/elements/internal/TypeBoundListConstructor.qll 4b634b3a4ca8909ce8c0d172d9258168c5271435474089902456c2e3e47ae1c5 3af74623ced55b3263c096810a685517d36b75229431b81f3bb8101294940025
 lib/codeql/rust/elements/internal/TypeBoundListImpl.qll 5641aca40c0331899f4291188e60945eb2a01679e3b33883053309fb3823d9ab c84bb1daa7c10f3bb634a179957934d7ae1bef1380fcd8a9c734004625575485
 lib/codeql/rust/elements/internal/TypeParamConstructor.qll a6e57cccd6b54fa68742d7b8ce70678a79ac133ea8c1bfa89d60b5f74ad07e05 0e5f45d250d736aaf40387be22e55288543bdb55bbb20ecb43f2f056e8be8b09
@@ -447,7 +446,7 @@ lib/codeql/rust/elements/internal/VisibilityImpl.qll 85c1e75d6a7f9246cfef5c261e2
 lib/codeql/rust/elements/internal/WhereClauseConstructor.qll 6d6f0f0376cf45fac37ea0c7c4345d08718d2a3d6d913e591de1de9e640317c9 ff690f3d4391e5f1fae6e9014365810105e8befe9d6b52a82625994319af9ffd
 lib/codeql/rust/elements/internal/WhereClauseImpl.qll 006e330df395183d15896e5f81128e24b8274d849fe45afb5040444e4b764226 ed5e8317b5f33104e5c322588dc400755c8852bbb77ef835177b13af7480fd43
 lib/codeql/rust/elements/internal/WherePredConstructor.qll f331c37085792a01159e8c218e9ef827e80e99b7c3d5978b6489808f05bd11f8 179cad3e4c5aaaf27755891694ef3569322fcf34c5290e6af49e5b5e3f8aa732
-lib/codeql/rust/elements/internal/WherePredImpl.qll 6cecb4a16c39a690d6549c0ca8c38cf2be93c03c167f81466b8b2572f8457ada ddf6583bc6e4aa4a32c156f7468a26780867b2973ff91e6fc4d1b1c72fdd0990
+lib/codeql/rust/elements/internal/WherePredImpl.qll eabd6553a16165ddb0103602d8cff65c6af22580ea7a0e2beabbf795ffabdb2d 8025d8bd2351ec2de8273225a6e59d46748d7bfd7e53251fa4eb90d5140afd92
 lib/codeql/rust/elements/internal/WhileExprConstructor.qll 01eb17d834584b3cba0098d367324d137aacfc60860752d9053ec414180897e7 e5e0999fb48a48ba9b3e09f87d8f44f43cc3d8a276059d9f67e7714a1852b8a5
 lib/codeql/rust/elements/internal/WildcardPatConstructor.qll 5980c4e5724f88a8cb91365fc2b65a72a47183d01a37f3ff11dcd2021e612dd9 c015e94953e02dc405f8cdc1f24f7cae6b7c1134d69878e99c6858143fc7ab34
 lib/codeql/rust/elements/internal/YeetExprConstructor.qll 7763e1717d3672156587250a093dd21680ad88c8224a815b472e1c9bba18f976 70dd1fd50824902362554c8c6075468060d0abbe3b3335957be335057512a417
@@ -515,7 +514,7 @@ lib/codeql/rust/elements/internal/generated/FieldList.qll 35bb72a673c02afafc1f61
 lib/codeql/rust/elements/internal/generated/FnPtrTypeRepr.qll f218fa57a01ecc39b58fa15893d6499c15ff8ab8fd9f4ed3078f0ca8b3f15c7e 2d1a7325cf2bd0174ce6fc15e0cbe39c7c1d8b40db5f91e5329acb339a1ad1e8
 lib/codeql/rust/elements/internal/generated/ForBinder.qll 7be6b8e3934db8cd4ac326625cf637dda4b175fd7573a52d2feb147769c4c6a1 234484b9b4cf3a20c97334417700db5029da65313410b3c9e929512c509e5c27
 lib/codeql/rust/elements/internal/generated/ForExpr.qll 7c497d2c612fd175069037d6d7ff9339e8aec63259757bb56269e9ca8b0114ea dc48c0ad3945868d6bd5e41ca34a41f8ee74d8ba0adc62b440256f59c7f21096
-lib/codeql/rust/elements/internal/generated/ForTypeRepr.qll a8fcdff13e30cce9c30fc3ae81db9ee7160b3028872cb3a60db78523a3ffe771 d3dda40fd2547bd1acd2eeb4d1bc72a4487400bb0752e9679bbb6aea0debf35a
+lib/codeql/rust/elements/internal/generated/ForTypeRepr.qll 11f21528d55f41d28d2b1da71631da1c02053ac723e697b886e586572c919999 852b977fe46b87efd6741a2f3c7e3d22a7e2a55a75b9c26d9dc4ea2154fe3653
 lib/codeql/rust/elements/internal/generated/Format.qll 934351f8a8ffd914cc3fd88aca8e81bf646236fe34d15e0df7aeeb0b942b203f da9f146e6f52bafd67dcfd3b916692cf8f66031e0b1d5d17fc8dda5eefb99ca0
 lib/codeql/rust/elements/internal/generated/FormatArgsArg.qll c762a4af8609472e285dd1b1aec8251421aec49f8d0e5ce9df2cc5e2722326f8 c8c226b94b32447634b445c62bd9af7e11b93a706f8fa35d2de4fda3ce951926
 lib/codeql/rust/elements/internal/generated/FormatArgsExpr.qll 8aed8715a27d3af3de56ded4610c6792a25216b1544eb7e57c8b0b37c14bd9c1 590a2b0063d2ecd00bbbd1ce29603c8fd69972e34e6daddf309c915ce4ec1375
@@ -590,7 +589,7 @@ lib/codeql/rust/elements/internal/generated/PtrTypeRepr.qll 8d0ea4f6c7f8203340bf
 lib/codeql/rust/elements/internal/generated/PureSynthConstructors.qll e5b8e69519012bbaae29dcb82d53f7f7ecce368c0358ec27ef6180b228a0057f e5b8e69519012bbaae29dcb82d53f7f7ecce368c0358ec27ef6180b228a0057f
 lib/codeql/rust/elements/internal/generated/RangeExpr.qll 23cca03bf43535f33b22a38894f70d669787be4e4f5b8fe5c8f7b964d30e9027 18624cef6c6b679eeace2a98737e472432e0ead354cca02192b4d45330f047c9
 lib/codeql/rust/elements/internal/generated/RangePat.qll 80826a6a6868a803aa2372e31c52a03e1811a3f1f2abdb469f91ca0bfdd9ecb6 34ee1e208c1690cba505dff2c588837c0cd91e185e2a87d1fe673191962276a9
-lib/codeql/rust/elements/internal/generated/Raw.qll 5de291e604fbeb5a4536eeb2a417f95b227a600bb589f7aab075971cd1cbfc67 22e5b41fba360781f354edb72dbc8f53b9d7434c30d3e3bac4c22f1faa72b8ed
+lib/codeql/rust/elements/internal/generated/Raw.qll e33ef2818c9bbdd5030903592ba07286c28b35b1952fa3f4ffb0ce27173fef04 fb0a5e30947e13a06d867049ced5547d5d7bc80ac2f55c6912b2c0d1d1446072
 lib/codeql/rust/elements/internal/generated/RefExpr.qll 7d995884e3dc1c25fc719f5d7253179344d63650e217e9ff6530285fe7a57f64 f2c3c12551deea4964b66553fb9b6423ee16fec53bd63db4796191aa60dc6c66
 lib/codeql/rust/elements/internal/generated/RefPat.qll 456ede39837463ee22a630ec7ab6c8630d3664a8ea206fcc6e4f199e92fa564c 5622062765f32930465ba6b170e986706f159f6070f48adee3c20e24e8df4e05
 lib/codeql/rust/elements/internal/generated/RefTypeRepr.qll 5b0663a6d234572fb3e467e276d019415caa95ef006438cc59b7af4e1783161e 0e27c8a8f0e323c0e4d6db01fca821bf07c0864d293cdf96fa891b10820c1e4b
@@ -631,7 +630,7 @@ lib/codeql/rust/elements/internal/generated/TupleStructPat.qll 6539d0edbdc16e7df
 lib/codeql/rust/elements/internal/generated/TupleTypeRepr.qll 1756cdbad56d634bf4726bc39c768386754e62650492d7d6344012038236a05b 3ac0997a47f95f28cc70c782173ce345fcb5b073be10f3c0b414d1df8443e04c
 lib/codeql/rust/elements/internal/generated/TypeAlias.qll 0d0c97d9e9213b8f0390b3456737d4611701a570b9943bb20b348c4efc8e4693 a83c701c0d8914e01517dfa9253a12be962f0a7ed2f75fbaae25a13432db403f
 lib/codeql/rust/elements/internal/generated/TypeArg.qll 80245e4b52bef30e5033d4c765c72531324385deea1435dc623290271ff05b1d 097926e918dcd897ea1609010c5490dbf45d4d8f4cffb9166bcadf316a2f1558
-lib/codeql/rust/elements/internal/generated/TypeBound.qll 15e118049bb5aae24bce580e3dff62b7e73dcce9f7c6bc8dfd59d2c25ed64244 f18a35749f8fc003221e8f4315160756be592406637441929eda919ac493e835
+lib/codeql/rust/elements/internal/generated/TypeBound.qll ed27681b76b8f3ad790daad4a08f3bc243452821246bcb240b1d925bc1c362a3 8fdc0caf91f1894d8711d68547185eb029446898b66f60fc0d10ef862cd6292e
 lib/codeql/rust/elements/internal/generated/TypeBoundList.qll c5d43dc27075a0d5370ba4bc56b4e247357af5d2989625deff284e7846a3a48b c33c87d080e6eb6df01e98b8b0031d780472fcaf3a1ed156a038669c0e05bf0a
 lib/codeql/rust/elements/internal/generated/TypeParam.qll 81a8d39f1e227de031187534e5d8e2c34f42ad3433061d686cadfbdd0df54285 893795d62b5b89997574e9057701d308bea2c4dca6053042c5308c512137e697
 lib/codeql/rust/elements/internal/generated/TypeRepr.qll 1e7b9d2ddab86e35dad7c31a6453a2a60747420f8bc2e689d5163cab4fec71bb eb80e3947649e511e7f3555ffc1fd87199e7a32624449ca80ffad996cdf9e2f3
@@ -648,7 +647,7 @@ lib/codeql/rust/elements/internal/generated/Variant.qll fa6909715133049b3dba4622
 lib/codeql/rust/elements/internal/generated/VariantList.qll 3f70bfde982e5c5e8ee45da6ebe149286214f8d40377d5bc5e25df6ae8f3e2d1 22e5f428bf64fd3fd21c537bfa69a46089aad7c363d72c6566474fbe1d75859e
 lib/codeql/rust/elements/internal/generated/Visibility.qll af1069733c0120fae8610b3ebbcdcebe4b4c9ce4c3e3d9be3f82a93541873625 266106bdff4d7041d017871d755c011e7dd396c5999803d9e46725b6a03a2458
 lib/codeql/rust/elements/internal/generated/WhereClause.qll aec72d358689d99741c769b6e8e72b92c1458138c097ec2380e917aa68119ff0 81bb9d303bc0c8d2513dc7a2b8802ec15345b364e6c1e8b300f7860aac219c36
-lib/codeql/rust/elements/internal/generated/WherePred.qll 6826373cede8b4ac5d4719a183c6b30f840d48266f0e0c8e400574476f5a2f15 a82dcc24efac562d5b6247f9a105465ebafc9bebb4fc3648518bf9166e300dbd
+lib/codeql/rust/elements/internal/generated/WherePred.qll 73b28efc1682bf527bdc97a07568d08666d61686940400c99095cb9593bc8df3 2ec1fb5577d033c120d31f1620753b3618fcb7f384a35a6d3e6b5e0bb375a8a5
 lib/codeql/rust/elements/internal/generated/WhileExpr.qll 0353aab87c49569e1fbf5828b8f44457230edfa6b408fb5ec70e3d9b70f2e277 e1ba7c9c41ff150b9aaa43642c0714def4407850f2149232260c1a2672dd574a
 lib/codeql/rust/elements/internal/generated/WildcardPat.qll d74b70b57a0a66bfae017a329352a5b27a6b9e73dd5521d627f680e810c6c59e 4b913b548ba27ff3c82fcd32cf996ff329cb57d176d3bebd0fcef394486ea499
 lib/codeql/rust/elements/internal/generated/YeetExpr.qll cac328200872a35337b4bcb15c851afb4743f82c080f9738d295571eb01d7392 94af734eea08129b587fed849b643e7572800e8330c0b57d727d41abda47930b
diff --git a/rust/ql/.gitattributes b/rust/ql/.gitattributes
index d7dbdaa982e..4ec7fbbc2e3 100644
--- a/rust/ql/.gitattributes
+++ b/rust/ql/.gitattributes
@@ -274,7 +274,6 @@
 /lib/codeql/rust/elements/internal/FnPtrTypeReprConstructor.qll linguist-generated
 /lib/codeql/rust/elements/internal/FnPtrTypeReprImpl.qll linguist-generated
 /lib/codeql/rust/elements/internal/ForBinderConstructor.qll linguist-generated
-/lib/codeql/rust/elements/internal/ForBinderImpl.qll linguist-generated
 /lib/codeql/rust/elements/internal/ForExprConstructor.qll linguist-generated
 /lib/codeql/rust/elements/internal/ForTypeReprConstructor.qll linguist-generated
 /lib/codeql/rust/elements/internal/ForTypeReprImpl.qll linguist-generated
diff --git a/rust/ql/lib/codeql/rust/elements/ForTypeRepr.qll b/rust/ql/lib/codeql/rust/elements/ForTypeRepr.qll
index bf4627783ed..6b58c0c70f6 100644
--- a/rust/ql/lib/codeql/rust/elements/ForTypeRepr.qll
+++ b/rust/ql/lib/codeql/rust/elements/ForTypeRepr.qll
@@ -8,17 +8,13 @@ import codeql.rust.elements.ForBinder
 import codeql.rust.elements.TypeRepr
 
 /**
- * A higher-ranked trait bound.
+ * A type with a higher-ranked `for` modifier. This is currently not valid Rust syntax (`for<...>` can
+ * only be applied to traits to form a `TypeBound`).
  *
  * For example:
  * ```rust
- * fn foo<T>(value: T)
- * where
- *     T: for<'a> Fn(&'a str) -> &'a str
- * //     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- * {
- *     // ...
- * }
+ * fn foo(value: for<'a> usize) {}  // DOESN'T COMPILE
+ * //            ^^^^^^^^^^^^^
  * ```
  */
 final class ForTypeRepr = Impl::ForTypeRepr;
diff --git a/rust/ql/lib/codeql/rust/elements/TypeBound.qll b/rust/ql/lib/codeql/rust/elements/TypeBound.qll
index 03e0afa8cd3..fd9d460b09a 100644
--- a/rust/ql/lib/codeql/rust/elements/TypeBound.qll
+++ b/rust/ql/lib/codeql/rust/elements/TypeBound.qll
@@ -17,6 +17,8 @@ import codeql.rust.elements.UseBoundGenericArgs
  * ```rust
  * fn foo<T: Debug>(t: T) {}
  * //        ^^^^^
+ * fn bar(value: impl for<'a> From<&'a str>) {}
+ * //                 ^^^^^^^^^^^^^^^^^^^^^
  * ```
  */
 final class TypeBound = Impl::TypeBound;
diff --git a/rust/ql/lib/codeql/rust/elements/WherePred.qll b/rust/ql/lib/codeql/rust/elements/WherePred.qll
index c08334fb1b9..7141819362a 100644
--- a/rust/ql/lib/codeql/rust/elements/WherePred.qll
+++ b/rust/ql/lib/codeql/rust/elements/WherePred.qll
@@ -17,6 +17,8 @@ import codeql.rust.elements.TypeRepr
  * ```rust
  * fn foo<T, U>(t: T, u: U) where T: Debug, U: Clone {}
  * //                             ^^^^^^^^  ^^^^^^^^
+ * fn bar<T>(value: T) where for<'a> T: From<&'a str> {}
+ * //                        ^^^^^^^^^^^^^^^^^^^^^^^^
  * ```
  */
 final class WherePred = Impl::WherePred;
diff --git a/rust/ql/lib/codeql/rust/elements/internal/ForBinderImpl.qll b/rust/ql/lib/codeql/rust/elements/internal/ForBinderImpl.qll
index 8281a549b29..9f9b22f6c70 100644
--- a/rust/ql/lib/codeql/rust/elements/internal/ForBinderImpl.qll
+++ b/rust/ql/lib/codeql/rust/elements/internal/ForBinderImpl.qll
@@ -1,4 +1,3 @@
-// generated by codegen, remove this comment if you wish to edit this file
 /**
  * This module provides a hand-modifiable wrapper around the generated class `ForBinder`.
  *
@@ -12,6 +11,7 @@ private import codeql.rust.elements.internal.generated.ForBinder
  * be referenced directly.
  */
 module Impl {
+  // the following QLdoc is generated: if you need to edit it, do it in the schema file
   /**
    * A for binder, specifying lifetime or type parameters for a closure or a type.
    *
@@ -26,5 +26,7 @@ module Impl {
    * print_any("hello");
    * ```
    */
-  class ForBinder extends Generated::ForBinder { }
+  class ForBinder extends Generated::ForBinder {
+    override string toStringImpl() { result = "for<...>" }
+  }
 }
diff --git a/rust/ql/lib/codeql/rust/elements/internal/ForTypeReprImpl.qll b/rust/ql/lib/codeql/rust/elements/internal/ForTypeReprImpl.qll
index f555c664963..961085f026a 100644
--- a/rust/ql/lib/codeql/rust/elements/internal/ForTypeReprImpl.qll
+++ b/rust/ql/lib/codeql/rust/elements/internal/ForTypeReprImpl.qll
@@ -13,17 +13,13 @@ private import codeql.rust.elements.internal.generated.ForTypeRepr
  */
 module Impl {
   /**
-   * A higher-ranked trait bound.
+   * A type with a higher-ranked `for` modifier. This is currently not valid Rust syntax (`for<...>` can
+   * only be applied to traits to form a `TypeBound`).
    *
    * For example:
    * ```rust
-   * fn foo<T>(value: T)
-   * where
-   *     T: for<'a> Fn(&'a str) -> &'a str
-   * //     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   * {
-   *     // ...
-   * }
+   * fn foo(value: for<'a> usize) {}  // DOESN'T COMPILE
+   * //            ^^^^^^^^^^^^^
    * ```
    */
   class ForTypeRepr extends Generated::ForTypeRepr { }
diff --git a/rust/ql/lib/codeql/rust/elements/internal/TypeBoundImpl.qll b/rust/ql/lib/codeql/rust/elements/internal/TypeBoundImpl.qll
index c4b70217db2..5dd87536a03 100644
--- a/rust/ql/lib/codeql/rust/elements/internal/TypeBoundImpl.qll
+++ b/rust/ql/lib/codeql/rust/elements/internal/TypeBoundImpl.qll
@@ -19,6 +19,8 @@ module Impl {
    * ```rust
    * fn foo<T: Debug>(t: T) {}
    * //        ^^^^^
+   * fn bar(value: impl for<'a> From<&'a str>) {}
+   * //                 ^^^^^^^^^^^^^^^^^^^^^
    * ```
    */
   class TypeBound extends Generated::TypeBound { }
diff --git a/rust/ql/lib/codeql/rust/elements/internal/WherePredImpl.qll b/rust/ql/lib/codeql/rust/elements/internal/WherePredImpl.qll
index 9f77b9c3c69..9e4231ec515 100644
--- a/rust/ql/lib/codeql/rust/elements/internal/WherePredImpl.qll
+++ b/rust/ql/lib/codeql/rust/elements/internal/WherePredImpl.qll
@@ -19,6 +19,8 @@ module Impl {
    * ```rust
    * fn foo<T, U>(t: T, u: U) where T: Debug, U: Clone {}
    * //                             ^^^^^^^^  ^^^^^^^^
+   * fn bar<T>(value: T) where for<'a> T: From<&'a str> {}
+   * //                        ^^^^^^^^^^^^^^^^^^^^^^^^
    * ```
    */
   class WherePred extends Generated::WherePred { }
diff --git a/rust/ql/lib/codeql/rust/elements/internal/generated/ForTypeRepr.qll b/rust/ql/lib/codeql/rust/elements/internal/generated/ForTypeRepr.qll
index f52af334108..49e0f009c09 100644
--- a/rust/ql/lib/codeql/rust/elements/internal/generated/ForTypeRepr.qll
+++ b/rust/ql/lib/codeql/rust/elements/internal/generated/ForTypeRepr.qll
@@ -16,17 +16,13 @@ import codeql.rust.elements.internal.TypeReprImpl::Impl as TypeReprImpl
  */
 module Generated {
   /**
-   * A higher-ranked trait bound.
+   * A type with a higher-ranked `for` modifier. This is currently not valid Rust syntax (`for<...>` can
+   * only be applied to traits to form a `TypeBound`).
    *
    * For example:
    * ```rust
-   * fn foo<T>(value: T)
-   * where
-   *     T: for<'a> Fn(&'a str) -> &'a str
-   * //     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   * {
-   *     // ...
-   * }
+   * fn foo(value: for<'a> usize) {}  // DOESN'T COMPILE
+   * //            ^^^^^^^^^^^^^
    * ```
    * INTERNAL: Do not reference the `Generated::ForTypeRepr` class directly.
    * Use the subclass `ForTypeRepr`, where the following predicates are available.
diff --git a/rust/ql/lib/codeql/rust/elements/internal/generated/Raw.qll b/rust/ql/lib/codeql/rust/elements/internal/generated/Raw.qll
index dbb1ae77237..c689089be1e 100644
--- a/rust/ql/lib/codeql/rust/elements/internal/generated/Raw.qll
+++ b/rust/ql/lib/codeql/rust/elements/internal/generated/Raw.qll
@@ -1204,6 +1204,8 @@ module Raw {
    * ```rust
    * fn foo<T: Debug>(t: T) {}
    * //        ^^^^^
+   * fn bar(value: impl for<'a> From<&'a str>) {}
+   * //                 ^^^^^^^^^^^^^^^^^^^^^
    * ```
    */
   class TypeBound extends @type_bound, AstNode {
@@ -1414,6 +1416,8 @@ module Raw {
    * ```rust
    * fn foo<T, U>(t: T, u: U) where T: Debug, U: Clone {}
    * //                             ^^^^^^^^  ^^^^^^^^
+   * fn bar<T>(value: T) where for<'a> T: From<&'a str> {}
+   * //                        ^^^^^^^^^^^^^^^^^^^^^^^^
    * ```
    */
   class WherePred extends @where_pred, AstNode {
@@ -2200,17 +2204,13 @@ module Raw {
 
   /**
    * INTERNAL: Do not use.
-   * A higher-ranked trait bound.
+   * A type with a higher-ranked `for` modifier. This is currently not valid Rust syntax (`for<...>` can
+   * only be applied to traits to form a `TypeBound`).
    *
    * For example:
    * ```rust
-   * fn foo<T>(value: T)
-   * where
-   *     T: for<'a> Fn(&'a str) -> &'a str
-   * //     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-   * {
-   *     // ...
-   * }
+   * fn foo(value: for<'a> usize) {}  // DOESN'T COMPILE
+   * //            ^^^^^^^^^^^^^
    * ```
    */
   class ForTypeRepr extends @for_type_repr, TypeRepr {
diff --git a/rust/ql/lib/codeql/rust/elements/internal/generated/TypeBound.qll b/rust/ql/lib/codeql/rust/elements/internal/generated/TypeBound.qll
index 48089b82083..958867911ce 100644
--- a/rust/ql/lib/codeql/rust/elements/internal/generated/TypeBound.qll
+++ b/rust/ql/lib/codeql/rust/elements/internal/generated/TypeBound.qll
@@ -24,6 +24,8 @@ module Generated {
    * ```rust
    * fn foo<T: Debug>(t: T) {}
    * //        ^^^^^
+   * fn bar(value: impl for<'a> From<&'a str>) {}
+   * //                 ^^^^^^^^^^^^^^^^^^^^^
    * ```
    * INTERNAL: Do not reference the `Generated::TypeBound` class directly.
    * Use the subclass `TypeBound`, where the following predicates are available.
diff --git a/rust/ql/lib/codeql/rust/elements/internal/generated/WherePred.qll b/rust/ql/lib/codeql/rust/elements/internal/generated/WherePred.qll
index dc007f3aa21..7a96b326f1c 100644
--- a/rust/ql/lib/codeql/rust/elements/internal/generated/WherePred.qll
+++ b/rust/ql/lib/codeql/rust/elements/internal/generated/WherePred.qll
@@ -24,6 +24,8 @@ module Generated {
    * ```rust
    * fn foo<T, U>(t: T, u: U) where T: Debug, U: Clone {}
    * //                             ^^^^^^^^  ^^^^^^^^
+   * fn bar<T>(value: T) where for<'a> T: From<&'a str> {}
+   * //                        ^^^^^^^^^^^^^^^^^^^^^^^^
    * ```
    * INTERNAL: Do not reference the `Generated::WherePred` class directly.
    * Use the subclass `WherePred`, where the following predicates are available.
diff --git a/rust/ql/lib/upgrades/319c933d9615ccf40f363548cafd51d08c74a534/old.dbscheme b/rust/ql/lib/upgrades/319c933d9615ccf40f363548cafd51d08c74a534/old.dbscheme
new file mode 100644
index 00000000000..319c933d961
--- /dev/null
+++ b/rust/ql/lib/upgrades/319c933d9615ccf40f363548cafd51d08c74a534/old.dbscheme
@@ -0,0 +1,3637 @@
+// generated by codegen, do not edit
+
+// from ../shared/tree-sitter-extractor/src/generator/prefix.dbscheme
+/*- Files and folders -*/
+
+/**
+ * The location of an element.
+ * The location spans column `startcolumn` of line `startline` to
+ * column `endcolumn` of line `endline` in file `file`.
+ * For more information, see
+ * [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
+ */
+locations_default(
+  unique int id: @location_default,
+  int file: @file ref,
+  int beginLine: int ref,
+  int beginColumn: int ref,
+  int endLine: int ref,
+  int endColumn: int ref
+);
+
+files(
+  unique int id: @file,
+  string name: string ref
+);
+
+folders(
+  unique int id: @folder,
+  string name: string ref
+);
+
+@container = @file | @folder
+
+containerparent(
+  int parent: @container ref,
+  unique int child: @container ref
+);
+
+/*- Empty location -*/
+
+empty_location(
+  int location: @location_default ref
+);
+
+/*- Source location prefix -*/
+
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(string prefix : string ref);
+
+/*- Diagnostic messages -*/
+
+diagnostics(
+  unique int id: @diagnostic,
+  int severity: int ref,
+  string error_tag: string ref,
+  string error_message: string ref,
+  string full_error_message: string ref,
+  int location: @location_default ref
+);
+
+/*- Diagnostic messages: severity -*/
+
+case @diagnostic.severity of
+  10 = @diagnostic_debug
+| 20 = @diagnostic_info
+| 30 = @diagnostic_warning
+| 40 = @diagnostic_error
+;
+
+/*- YAML -*/
+
+#keyset[parent, idx]
+yaml (unique int id: @yaml_node,
+      int kind: int ref,
+      int parent: @yaml_node_parent ref,
+      int idx: int ref,
+      string tag: string ref,
+      string tostring: string ref);
+
+case @yaml_node.kind of
+  0 = @yaml_scalar_node
+| 1 = @yaml_mapping_node
+| 2 = @yaml_sequence_node
+| 3 = @yaml_alias_node
+;
+
+@yaml_collection_node = @yaml_mapping_node | @yaml_sequence_node;
+
+@yaml_node_parent = @yaml_collection_node | @file;
+
+yaml_anchors (unique int node: @yaml_node ref,
+              string anchor: string ref);
+
+yaml_aliases (unique int alias: @yaml_alias_node ref,
+              string target: string ref);
+
+yaml_scalars (unique int scalar: @yaml_scalar_node ref,
+              int style: int ref,
+              string value: string ref);
+
+yaml_errors (unique int id: @yaml_error,
+             string message: string ref);
+
+yaml_locations(unique int locatable: @yaml_locatable ref,
+             int location: @location_default ref);
+
+@yaml_locatable = @yaml_node | @yaml_error;
+
+/*- Database metadata -*/
+databaseMetadata(
+  string metadataKey: string ref,
+  string value: string ref
+);
+
+overlayChangedFiles(
+  string path: string ref
+);
+
+
+// from prefix.dbscheme
+#keyset[id]
+locatable_locations(
+  int id: @locatable ref,
+  int location: @location_default ref
+);
+
+
+// from schema
+
+@element =
+  @extractor_step
+| @locatable
+| @named_crate
+| @unextracted
+;
+
+extractor_steps(
+  unique int id: @extractor_step,
+  string action: string ref,
+  int duration_ms: int ref
+);
+
+#keyset[id]
+extractor_step_files(
+  int id: @extractor_step ref,
+  int file: @file ref
+);
+
+@locatable =
+  @ast_node
+| @crate
+;
+
+named_crates(
+  unique int id: @named_crate,
+  string name: string ref,
+  int crate: @crate ref
+);
+
+@unextracted =
+  @missing
+| @unimplemented
+;
+
+@ast_node =
+  @abi
+| @addressable
+| @arg_list
+| @asm_dir_spec
+| @asm_operand
+| @asm_operand_expr
+| @asm_option
+| @asm_piece
+| @asm_reg_spec
+| @assoc_item_list
+| @attr
+| @callable
+| @closure_binder
+| @expr
+| @extern_item_list
+| @field_list
+| @format_args_arg
+| @generic_arg
+| @generic_arg_list
+| @generic_param
+| @generic_param_list
+| @item_list
+| @label
+| @let_else
+| @macro_items
+| @match_arm
+| @match_arm_list
+| @match_guard
+| @meta
+| @name
+| @param_base
+| @param_list
+| @parenthesized_arg_list
+| @pat
+| @path
+| @path_segment
+| @rename
+| @resolvable
+| @ret_type_repr
+| @return_type_syntax
+| @source_file
+| @stmt
+| @stmt_list
+| @struct_expr_field
+| @struct_expr_field_list
+| @struct_field
+| @struct_pat_field
+| @struct_pat_field_list
+| @token
+| @token_tree
+| @tuple_field
+| @type_bound
+| @type_bound_list
+| @type_repr
+| @use_bound_generic_arg
+| @use_bound_generic_args
+| @use_tree
+| @use_tree_list
+| @variant_list
+| @visibility
+| @where_clause
+| @where_pred
+;
+
+crates(
+  unique int id: @crate
+);
+
+#keyset[id]
+crate_names(
+  int id: @crate ref,
+  string name: string ref
+);
+
+#keyset[id]
+crate_versions(
+  int id: @crate ref,
+  string version: string ref
+);
+
+#keyset[id, index]
+crate_cfg_options(
+  int id: @crate ref,
+  int index: int ref,
+  string cfg_option: string ref
+);
+
+#keyset[id, index]
+crate_named_dependencies(
+  int id: @crate ref,
+  int index: int ref,
+  int named_dependency: @named_crate ref
+);
+
+missings(
+  unique int id: @missing
+);
+
+unimplementeds(
+  unique int id: @unimplemented
+);
+
+abis(
+  unique int id: @abi
+);
+
+#keyset[id]
+abi_abi_strings(
+  int id: @abi ref,
+  string abi_string: string ref
+);
+
+@addressable =
+  @item
+| @variant
+;
+
+#keyset[id]
+addressable_extended_canonical_paths(
+  int id: @addressable ref,
+  string extended_canonical_path: string ref
+);
+
+#keyset[id]
+addressable_crate_origins(
+  int id: @addressable ref,
+  string crate_origin: string ref
+);
+
+arg_lists(
+  unique int id: @arg_list
+);
+
+#keyset[id, index]
+arg_list_args(
+  int id: @arg_list ref,
+  int index: int ref,
+  int arg: @expr ref
+);
+
+asm_dir_specs(
+  unique int id: @asm_dir_spec
+);
+
+@asm_operand =
+  @asm_const
+| @asm_label
+| @asm_reg_operand
+| @asm_sym
+;
+
+asm_operand_exprs(
+  unique int id: @asm_operand_expr
+);
+
+#keyset[id]
+asm_operand_expr_in_exprs(
+  int id: @asm_operand_expr ref,
+  int in_expr: @expr ref
+);
+
+#keyset[id]
+asm_operand_expr_out_exprs(
+  int id: @asm_operand_expr ref,
+  int out_expr: @expr ref
+);
+
+asm_options(
+  unique int id: @asm_option
+);
+
+#keyset[id]
+asm_option_is_raw(
+  int id: @asm_option ref
+);
+
+@asm_piece =
+  @asm_clobber_abi
+| @asm_operand_named
+| @asm_options_list
+;
+
+asm_reg_specs(
+  unique int id: @asm_reg_spec
+);
+
+#keyset[id]
+asm_reg_spec_identifiers(
+  int id: @asm_reg_spec ref,
+  int identifier: @name_ref ref
+);
+
+assoc_item_lists(
+  unique int id: @assoc_item_list
+);
+
+#keyset[id, index]
+assoc_item_list_assoc_items(
+  int id: @assoc_item_list ref,
+  int index: int ref,
+  int assoc_item: @assoc_item ref
+);
+
+#keyset[id, index]
+assoc_item_list_attrs(
+  int id: @assoc_item_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+attrs(
+  unique int id: @attr
+);
+
+#keyset[id]
+attr_meta(
+  int id: @attr ref,
+  int meta: @meta ref
+);
+
+@callable =
+  @closure_expr
+| @function
+;
+
+#keyset[id]
+callable_param_lists(
+  int id: @callable ref,
+  int param_list: @param_list ref
+);
+
+#keyset[id, index]
+callable_attrs(
+  int id: @callable ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+closure_binders(
+  unique int id: @closure_binder
+);
+
+#keyset[id]
+closure_binder_generic_param_lists(
+  int id: @closure_binder ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+@expr =
+  @array_expr_internal
+| @asm_expr
+| @await_expr
+| @become_expr
+| @binary_expr
+| @break_expr
+| @call_expr_base
+| @cast_expr
+| @closure_expr
+| @continue_expr
+| @field_expr
+| @format_args_expr
+| @if_expr
+| @index_expr
+| @labelable_expr
+| @let_expr
+| @literal_expr
+| @macro_block_expr
+| @macro_expr
+| @match_expr
+| @offset_of_expr
+| @paren_expr
+| @path_expr_base
+| @prefix_expr
+| @range_expr
+| @ref_expr
+| @return_expr
+| @struct_expr
+| @try_expr
+| @tuple_expr
+| @underscore_expr
+| @yeet_expr
+| @yield_expr
+;
+
+extern_item_lists(
+  unique int id: @extern_item_list
+);
+
+#keyset[id, index]
+extern_item_list_attrs(
+  int id: @extern_item_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+extern_item_list_extern_items(
+  int id: @extern_item_list ref,
+  int index: int ref,
+  int extern_item: @extern_item ref
+);
+
+@field_list =
+  @struct_field_list
+| @tuple_field_list
+;
+
+format_args_args(
+  unique int id: @format_args_arg
+);
+
+#keyset[id]
+format_args_arg_exprs(
+  int id: @format_args_arg ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+format_args_arg_names(
+  int id: @format_args_arg ref,
+  int name: @name ref
+);
+
+@generic_arg =
+  @assoc_type_arg
+| @const_arg
+| @lifetime_arg
+| @type_arg
+;
+
+generic_arg_lists(
+  unique int id: @generic_arg_list
+);
+
+#keyset[id, index]
+generic_arg_list_generic_args(
+  int id: @generic_arg_list ref,
+  int index: int ref,
+  int generic_arg: @generic_arg ref
+);
+
+@generic_param =
+  @const_param
+| @lifetime_param
+| @type_param
+;
+
+generic_param_lists(
+  unique int id: @generic_param_list
+);
+
+#keyset[id, index]
+generic_param_list_generic_params(
+  int id: @generic_param_list ref,
+  int index: int ref,
+  int generic_param: @generic_param ref
+);
+
+item_lists(
+  unique int id: @item_list
+);
+
+#keyset[id, index]
+item_list_attrs(
+  int id: @item_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+item_list_items(
+  int id: @item_list ref,
+  int index: int ref,
+  int item: @item ref
+);
+
+labels(
+  unique int id: @label
+);
+
+#keyset[id]
+label_lifetimes(
+  int id: @label ref,
+  int lifetime: @lifetime ref
+);
+
+let_elses(
+  unique int id: @let_else
+);
+
+#keyset[id]
+let_else_block_exprs(
+  int id: @let_else ref,
+  int block_expr: @block_expr ref
+);
+
+macro_items(
+  unique int id: @macro_items
+);
+
+#keyset[id, index]
+macro_items_items(
+  int id: @macro_items ref,
+  int index: int ref,
+  int item: @item ref
+);
+
+match_arms(
+  unique int id: @match_arm
+);
+
+#keyset[id, index]
+match_arm_attrs(
+  int id: @match_arm ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+match_arm_exprs(
+  int id: @match_arm ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+match_arm_guards(
+  int id: @match_arm ref,
+  int guard: @match_guard ref
+);
+
+#keyset[id]
+match_arm_pats(
+  int id: @match_arm ref,
+  int pat: @pat ref
+);
+
+match_arm_lists(
+  unique int id: @match_arm_list
+);
+
+#keyset[id, index]
+match_arm_list_arms(
+  int id: @match_arm_list ref,
+  int index: int ref,
+  int arm: @match_arm ref
+);
+
+#keyset[id, index]
+match_arm_list_attrs(
+  int id: @match_arm_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+match_guards(
+  unique int id: @match_guard
+);
+
+#keyset[id]
+match_guard_conditions(
+  int id: @match_guard ref,
+  int condition: @expr ref
+);
+
+meta(
+  unique int id: @meta
+);
+
+#keyset[id]
+meta_exprs(
+  int id: @meta ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+meta_is_unsafe(
+  int id: @meta ref
+);
+
+#keyset[id]
+meta_paths(
+  int id: @meta ref,
+  int path: @path ref
+);
+
+#keyset[id]
+meta_token_trees(
+  int id: @meta ref,
+  int token_tree: @token_tree ref
+);
+
+names(
+  unique int id: @name
+);
+
+#keyset[id]
+name_texts(
+  int id: @name ref,
+  string text: string ref
+);
+
+@param_base =
+  @param
+| @self_param
+;
+
+#keyset[id, index]
+param_base_attrs(
+  int id: @param_base ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+param_base_type_reprs(
+  int id: @param_base ref,
+  int type_repr: @type_repr ref
+);
+
+param_lists(
+  unique int id: @param_list
+);
+
+#keyset[id, index]
+param_list_params(
+  int id: @param_list ref,
+  int index: int ref,
+  int param: @param ref
+);
+
+#keyset[id]
+param_list_self_params(
+  int id: @param_list ref,
+  int self_param: @self_param ref
+);
+
+parenthesized_arg_lists(
+  unique int id: @parenthesized_arg_list
+);
+
+#keyset[id, index]
+parenthesized_arg_list_type_args(
+  int id: @parenthesized_arg_list ref,
+  int index: int ref,
+  int type_arg: @type_arg ref
+);
+
+@pat =
+  @box_pat
+| @const_block_pat
+| @ident_pat
+| @literal_pat
+| @macro_pat
+| @or_pat
+| @paren_pat
+| @path_pat
+| @range_pat
+| @ref_pat
+| @rest_pat
+| @slice_pat
+| @struct_pat
+| @tuple_pat
+| @tuple_struct_pat
+| @wildcard_pat
+;
+
+paths(
+  unique int id: @path
+);
+
+#keyset[id]
+path_qualifiers(
+  int id: @path ref,
+  int qualifier: @path ref
+);
+
+#keyset[id]
+path_segments_(
+  int id: @path ref,
+  int segment: @path_segment ref
+);
+
+path_segments(
+  unique int id: @path_segment
+);
+
+#keyset[id]
+path_segment_generic_arg_lists(
+  int id: @path_segment ref,
+  int generic_arg_list: @generic_arg_list ref
+);
+
+#keyset[id]
+path_segment_identifiers(
+  int id: @path_segment ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+path_segment_parenthesized_arg_lists(
+  int id: @path_segment ref,
+  int parenthesized_arg_list: @parenthesized_arg_list ref
+);
+
+#keyset[id]
+path_segment_ret_types(
+  int id: @path_segment ref,
+  int ret_type: @ret_type_repr ref
+);
+
+#keyset[id]
+path_segment_return_type_syntaxes(
+  int id: @path_segment ref,
+  int return_type_syntax: @return_type_syntax ref
+);
+
+#keyset[id]
+path_segment_type_reprs(
+  int id: @path_segment ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+path_segment_trait_type_reprs(
+  int id: @path_segment ref,
+  int trait_type_repr: @path_type_repr ref
+);
+
+renames(
+  unique int id: @rename
+);
+
+#keyset[id]
+rename_names(
+  int id: @rename ref,
+  int name: @name ref
+);
+
+@resolvable =
+  @method_call_expr
+| @path_ast_node
+;
+
+#keyset[id]
+resolvable_resolved_paths(
+  int id: @resolvable ref,
+  string resolved_path: string ref
+);
+
+#keyset[id]
+resolvable_resolved_crate_origins(
+  int id: @resolvable ref,
+  string resolved_crate_origin: string ref
+);
+
+ret_type_reprs(
+  unique int id: @ret_type_repr
+);
+
+#keyset[id]
+ret_type_repr_type_reprs(
+  int id: @ret_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+return_type_syntaxes(
+  unique int id: @return_type_syntax
+);
+
+source_files(
+  unique int id: @source_file
+);
+
+#keyset[id, index]
+source_file_attrs(
+  int id: @source_file ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+source_file_items(
+  int id: @source_file ref,
+  int index: int ref,
+  int item: @item ref
+);
+
+@stmt =
+  @expr_stmt
+| @item
+| @let_stmt
+;
+
+stmt_lists(
+  unique int id: @stmt_list
+);
+
+#keyset[id, index]
+stmt_list_attrs(
+  int id: @stmt_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+stmt_list_statements(
+  int id: @stmt_list ref,
+  int index: int ref,
+  int statement: @stmt ref
+);
+
+#keyset[id]
+stmt_list_tail_exprs(
+  int id: @stmt_list ref,
+  int tail_expr: @expr ref
+);
+
+struct_expr_fields(
+  unique int id: @struct_expr_field
+);
+
+#keyset[id, index]
+struct_expr_field_attrs(
+  int id: @struct_expr_field ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+struct_expr_field_exprs(
+  int id: @struct_expr_field ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+struct_expr_field_identifiers(
+  int id: @struct_expr_field ref,
+  int identifier: @name_ref ref
+);
+
+struct_expr_field_lists(
+  unique int id: @struct_expr_field_list
+);
+
+#keyset[id, index]
+struct_expr_field_list_attrs(
+  int id: @struct_expr_field_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+struct_expr_field_list_fields(
+  int id: @struct_expr_field_list ref,
+  int index: int ref,
+  int field: @struct_expr_field ref
+);
+
+#keyset[id]
+struct_expr_field_list_spreads(
+  int id: @struct_expr_field_list ref,
+  int spread: @expr ref
+);
+
+struct_fields(
+  unique int id: @struct_field
+);
+
+#keyset[id, index]
+struct_field_attrs(
+  int id: @struct_field ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+struct_field_defaults(
+  int id: @struct_field ref,
+  int default: @expr ref
+);
+
+#keyset[id]
+struct_field_is_unsafe(
+  int id: @struct_field ref
+);
+
+#keyset[id]
+struct_field_names(
+  int id: @struct_field ref,
+  int name: @name ref
+);
+
+#keyset[id]
+struct_field_type_reprs(
+  int id: @struct_field ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+struct_field_visibilities(
+  int id: @struct_field ref,
+  int visibility: @visibility ref
+);
+
+struct_pat_fields(
+  unique int id: @struct_pat_field
+);
+
+#keyset[id, index]
+struct_pat_field_attrs(
+  int id: @struct_pat_field ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+struct_pat_field_identifiers(
+  int id: @struct_pat_field ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+struct_pat_field_pats(
+  int id: @struct_pat_field ref,
+  int pat: @pat ref
+);
+
+struct_pat_field_lists(
+  unique int id: @struct_pat_field_list
+);
+
+#keyset[id, index]
+struct_pat_field_list_fields(
+  int id: @struct_pat_field_list ref,
+  int index: int ref,
+  int field: @struct_pat_field ref
+);
+
+#keyset[id]
+struct_pat_field_list_rest_pats(
+  int id: @struct_pat_field_list ref,
+  int rest_pat: @rest_pat ref
+);
+
+@token =
+  @comment
+;
+
+token_trees(
+  unique int id: @token_tree
+);
+
+tuple_fields(
+  unique int id: @tuple_field
+);
+
+#keyset[id, index]
+tuple_field_attrs(
+  int id: @tuple_field ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+tuple_field_type_reprs(
+  int id: @tuple_field ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+tuple_field_visibilities(
+  int id: @tuple_field ref,
+  int visibility: @visibility ref
+);
+
+type_bounds(
+  unique int id: @type_bound
+);
+
+#keyset[id]
+type_bound_is_async(
+  int id: @type_bound ref
+);
+
+#keyset[id]
+type_bound_is_const(
+  int id: @type_bound ref
+);
+
+#keyset[id]
+type_bound_lifetimes(
+  int id: @type_bound ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+type_bound_type_reprs(
+  int id: @type_bound ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+type_bound_use_bound_generic_args(
+  int id: @type_bound ref,
+  int use_bound_generic_args: @use_bound_generic_args ref
+);
+
+type_bound_lists(
+  unique int id: @type_bound_list
+);
+
+#keyset[id, index]
+type_bound_list_bounds(
+  int id: @type_bound_list ref,
+  int index: int ref,
+  int bound: @type_bound ref
+);
+
+@type_repr =
+  @array_type_repr
+| @dyn_trait_type_repr
+| @fn_ptr_type_repr
+| @for_type_repr
+| @impl_trait_type_repr
+| @infer_type_repr
+| @macro_type_repr
+| @never_type_repr
+| @paren_type_repr
+| @path_type_repr
+| @ptr_type_repr
+| @ref_type_repr
+| @slice_type_repr
+| @tuple_type_repr
+;
+
+@use_bound_generic_arg =
+  @lifetime
+| @name_ref
+;
+
+use_bound_generic_args(
+  unique int id: @use_bound_generic_args
+);
+
+#keyset[id, index]
+use_bound_generic_args_use_bound_generic_args(
+  int id: @use_bound_generic_args ref,
+  int index: int ref,
+  int use_bound_generic_arg: @use_bound_generic_arg ref
+);
+
+use_trees(
+  unique int id: @use_tree
+);
+
+#keyset[id]
+use_tree_is_glob(
+  int id: @use_tree ref
+);
+
+#keyset[id]
+use_tree_paths(
+  int id: @use_tree ref,
+  int path: @path ref
+);
+
+#keyset[id]
+use_tree_renames(
+  int id: @use_tree ref,
+  int rename: @rename ref
+);
+
+#keyset[id]
+use_tree_use_tree_lists(
+  int id: @use_tree ref,
+  int use_tree_list: @use_tree_list ref
+);
+
+use_tree_lists(
+  unique int id: @use_tree_list
+);
+
+#keyset[id, index]
+use_tree_list_use_trees(
+  int id: @use_tree_list ref,
+  int index: int ref,
+  int use_tree: @use_tree ref
+);
+
+variant_lists(
+  unique int id: @variant_list
+);
+
+#keyset[id, index]
+variant_list_variants(
+  int id: @variant_list ref,
+  int index: int ref,
+  int variant: @variant ref
+);
+
+visibilities(
+  unique int id: @visibility
+);
+
+#keyset[id]
+visibility_paths(
+  int id: @visibility ref,
+  int path: @path ref
+);
+
+where_clauses(
+  unique int id: @where_clause
+);
+
+#keyset[id, index]
+where_clause_predicates(
+  int id: @where_clause ref,
+  int index: int ref,
+  int predicate: @where_pred ref
+);
+
+where_preds(
+  unique int id: @where_pred
+);
+
+#keyset[id]
+where_pred_generic_param_lists(
+  int id: @where_pred ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+where_pred_lifetimes(
+  int id: @where_pred ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+where_pred_type_reprs(
+  int id: @where_pred ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+where_pred_type_bound_lists(
+  int id: @where_pred ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+array_expr_internals(
+  unique int id: @array_expr_internal
+);
+
+#keyset[id, index]
+array_expr_internal_attrs(
+  int id: @array_expr_internal ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+array_expr_internal_exprs(
+  int id: @array_expr_internal ref,
+  int index: int ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+array_expr_internal_is_semicolon(
+  int id: @array_expr_internal ref
+);
+
+array_type_reprs(
+  unique int id: @array_type_repr
+);
+
+#keyset[id]
+array_type_repr_const_args(
+  int id: @array_type_repr ref,
+  int const_arg: @const_arg ref
+);
+
+#keyset[id]
+array_type_repr_element_type_reprs(
+  int id: @array_type_repr ref,
+  int element_type_repr: @type_repr ref
+);
+
+asm_clobber_abis(
+  unique int id: @asm_clobber_abi
+);
+
+asm_consts(
+  unique int id: @asm_const
+);
+
+#keyset[id]
+asm_const_exprs(
+  int id: @asm_const ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+asm_const_is_const(
+  int id: @asm_const ref
+);
+
+asm_exprs(
+  unique int id: @asm_expr
+);
+
+#keyset[id, index]
+asm_expr_asm_pieces(
+  int id: @asm_expr ref,
+  int index: int ref,
+  int asm_piece: @asm_piece ref
+);
+
+#keyset[id, index]
+asm_expr_attrs(
+  int id: @asm_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+asm_expr_templates(
+  int id: @asm_expr ref,
+  int index: int ref,
+  int template: @expr ref
+);
+
+asm_labels(
+  unique int id: @asm_label
+);
+
+#keyset[id]
+asm_label_block_exprs(
+  int id: @asm_label ref,
+  int block_expr: @block_expr ref
+);
+
+asm_operand_nameds(
+  unique int id: @asm_operand_named
+);
+
+#keyset[id]
+asm_operand_named_asm_operands(
+  int id: @asm_operand_named ref,
+  int asm_operand: @asm_operand ref
+);
+
+#keyset[id]
+asm_operand_named_names(
+  int id: @asm_operand_named ref,
+  int name: @name ref
+);
+
+asm_options_lists(
+  unique int id: @asm_options_list
+);
+
+#keyset[id, index]
+asm_options_list_asm_options(
+  int id: @asm_options_list ref,
+  int index: int ref,
+  int asm_option: @asm_option ref
+);
+
+asm_reg_operands(
+  unique int id: @asm_reg_operand
+);
+
+#keyset[id]
+asm_reg_operand_asm_dir_specs(
+  int id: @asm_reg_operand ref,
+  int asm_dir_spec: @asm_dir_spec ref
+);
+
+#keyset[id]
+asm_reg_operand_asm_operand_exprs(
+  int id: @asm_reg_operand ref,
+  int asm_operand_expr: @asm_operand_expr ref
+);
+
+#keyset[id]
+asm_reg_operand_asm_reg_specs(
+  int id: @asm_reg_operand ref,
+  int asm_reg_spec: @asm_reg_spec ref
+);
+
+asm_syms(
+  unique int id: @asm_sym
+);
+
+#keyset[id]
+asm_sym_paths(
+  int id: @asm_sym ref,
+  int path: @path ref
+);
+
+assoc_type_args(
+  unique int id: @assoc_type_arg
+);
+
+#keyset[id]
+assoc_type_arg_const_args(
+  int id: @assoc_type_arg ref,
+  int const_arg: @const_arg ref
+);
+
+#keyset[id]
+assoc_type_arg_generic_arg_lists(
+  int id: @assoc_type_arg ref,
+  int generic_arg_list: @generic_arg_list ref
+);
+
+#keyset[id]
+assoc_type_arg_identifiers(
+  int id: @assoc_type_arg ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+assoc_type_arg_param_lists(
+  int id: @assoc_type_arg ref,
+  int param_list: @param_list ref
+);
+
+#keyset[id]
+assoc_type_arg_ret_types(
+  int id: @assoc_type_arg ref,
+  int ret_type: @ret_type_repr ref
+);
+
+#keyset[id]
+assoc_type_arg_return_type_syntaxes(
+  int id: @assoc_type_arg ref,
+  int return_type_syntax: @return_type_syntax ref
+);
+
+#keyset[id]
+assoc_type_arg_type_reprs(
+  int id: @assoc_type_arg ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+assoc_type_arg_type_bound_lists(
+  int id: @assoc_type_arg ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+await_exprs(
+  unique int id: @await_expr
+);
+
+#keyset[id, index]
+await_expr_attrs(
+  int id: @await_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+await_expr_exprs(
+  int id: @await_expr ref,
+  int expr: @expr ref
+);
+
+become_exprs(
+  unique int id: @become_expr
+);
+
+#keyset[id, index]
+become_expr_attrs(
+  int id: @become_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+become_expr_exprs(
+  int id: @become_expr ref,
+  int expr: @expr ref
+);
+
+binary_exprs(
+  unique int id: @binary_expr
+);
+
+#keyset[id, index]
+binary_expr_attrs(
+  int id: @binary_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+binary_expr_lhs(
+  int id: @binary_expr ref,
+  int lhs: @expr ref
+);
+
+#keyset[id]
+binary_expr_operator_names(
+  int id: @binary_expr ref,
+  string operator_name: string ref
+);
+
+#keyset[id]
+binary_expr_rhs(
+  int id: @binary_expr ref,
+  int rhs: @expr ref
+);
+
+box_pats(
+  unique int id: @box_pat
+);
+
+#keyset[id]
+box_pat_pats(
+  int id: @box_pat ref,
+  int pat: @pat ref
+);
+
+break_exprs(
+  unique int id: @break_expr
+);
+
+#keyset[id, index]
+break_expr_attrs(
+  int id: @break_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+break_expr_exprs(
+  int id: @break_expr ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+break_expr_lifetimes(
+  int id: @break_expr ref,
+  int lifetime: @lifetime ref
+);
+
+@call_expr_base =
+  @call_expr
+| @method_call_expr
+;
+
+#keyset[id]
+call_expr_base_arg_lists(
+  int id: @call_expr_base ref,
+  int arg_list: @arg_list ref
+);
+
+#keyset[id, index]
+call_expr_base_attrs(
+  int id: @call_expr_base ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+cast_exprs(
+  unique int id: @cast_expr
+);
+
+#keyset[id, index]
+cast_expr_attrs(
+  int id: @cast_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+cast_expr_exprs(
+  int id: @cast_expr ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+cast_expr_type_reprs(
+  int id: @cast_expr ref,
+  int type_repr: @type_repr ref
+);
+
+closure_exprs(
+  unique int id: @closure_expr
+);
+
+#keyset[id]
+closure_expr_bodies(
+  int id: @closure_expr ref,
+  int body: @expr ref
+);
+
+#keyset[id]
+closure_expr_closure_binders(
+  int id: @closure_expr ref,
+  int closure_binder: @closure_binder ref
+);
+
+#keyset[id]
+closure_expr_is_async(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_is_const(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_is_gen(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_is_move(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_is_static(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_ret_types(
+  int id: @closure_expr ref,
+  int ret_type: @ret_type_repr ref
+);
+
+comments(
+  unique int id: @comment,
+  int parent: @ast_node ref,
+  string text: string ref
+);
+
+const_args(
+  unique int id: @const_arg
+);
+
+#keyset[id]
+const_arg_exprs(
+  int id: @const_arg ref,
+  int expr: @expr ref
+);
+
+const_block_pats(
+  unique int id: @const_block_pat
+);
+
+#keyset[id]
+const_block_pat_block_exprs(
+  int id: @const_block_pat ref,
+  int block_expr: @block_expr ref
+);
+
+#keyset[id]
+const_block_pat_is_const(
+  int id: @const_block_pat ref
+);
+
+const_params(
+  unique int id: @const_param
+);
+
+#keyset[id, index]
+const_param_attrs(
+  int id: @const_param ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+const_param_default_vals(
+  int id: @const_param ref,
+  int default_val: @const_arg ref
+);
+
+#keyset[id]
+const_param_is_const(
+  int id: @const_param ref
+);
+
+#keyset[id]
+const_param_names(
+  int id: @const_param ref,
+  int name: @name ref
+);
+
+#keyset[id]
+const_param_type_reprs(
+  int id: @const_param ref,
+  int type_repr: @type_repr ref
+);
+
+continue_exprs(
+  unique int id: @continue_expr
+);
+
+#keyset[id, index]
+continue_expr_attrs(
+  int id: @continue_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+continue_expr_lifetimes(
+  int id: @continue_expr ref,
+  int lifetime: @lifetime ref
+);
+
+dyn_trait_type_reprs(
+  unique int id: @dyn_trait_type_repr
+);
+
+#keyset[id]
+dyn_trait_type_repr_type_bound_lists(
+  int id: @dyn_trait_type_repr ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+expr_stmts(
+  unique int id: @expr_stmt
+);
+
+#keyset[id]
+expr_stmt_exprs(
+  int id: @expr_stmt ref,
+  int expr: @expr ref
+);
+
+field_exprs(
+  unique int id: @field_expr
+);
+
+#keyset[id, index]
+field_expr_attrs(
+  int id: @field_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+field_expr_containers(
+  int id: @field_expr ref,
+  int container: @expr ref
+);
+
+#keyset[id]
+field_expr_identifiers(
+  int id: @field_expr ref,
+  int identifier: @name_ref ref
+);
+
+fn_ptr_type_reprs(
+  unique int id: @fn_ptr_type_repr
+);
+
+#keyset[id]
+fn_ptr_type_repr_abis(
+  int id: @fn_ptr_type_repr ref,
+  int abi: @abi ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_is_async(
+  int id: @fn_ptr_type_repr ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_is_const(
+  int id: @fn_ptr_type_repr ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_is_unsafe(
+  int id: @fn_ptr_type_repr ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_param_lists(
+  int id: @fn_ptr_type_repr ref,
+  int param_list: @param_list ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_ret_types(
+  int id: @fn_ptr_type_repr ref,
+  int ret_type: @ret_type_repr ref
+);
+
+for_type_reprs(
+  unique int id: @for_type_repr
+);
+
+#keyset[id]
+for_type_repr_generic_param_lists(
+  int id: @for_type_repr ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+for_type_repr_type_reprs(
+  int id: @for_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+format_args_exprs(
+  unique int id: @format_args_expr
+);
+
+#keyset[id, index]
+format_args_expr_args(
+  int id: @format_args_expr ref,
+  int index: int ref,
+  int arg: @format_args_arg ref
+);
+
+#keyset[id, index]
+format_args_expr_attrs(
+  int id: @format_args_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+format_args_expr_templates(
+  int id: @format_args_expr ref,
+  int template: @expr ref
+);
+
+ident_pats(
+  unique int id: @ident_pat
+);
+
+#keyset[id, index]
+ident_pat_attrs(
+  int id: @ident_pat ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+ident_pat_is_mut(
+  int id: @ident_pat ref
+);
+
+#keyset[id]
+ident_pat_is_ref(
+  int id: @ident_pat ref
+);
+
+#keyset[id]
+ident_pat_names(
+  int id: @ident_pat ref,
+  int name: @name ref
+);
+
+#keyset[id]
+ident_pat_pats(
+  int id: @ident_pat ref,
+  int pat: @pat ref
+);
+
+if_exprs(
+  unique int id: @if_expr
+);
+
+#keyset[id, index]
+if_expr_attrs(
+  int id: @if_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+if_expr_conditions(
+  int id: @if_expr ref,
+  int condition: @expr ref
+);
+
+#keyset[id]
+if_expr_elses(
+  int id: @if_expr ref,
+  int else: @expr ref
+);
+
+#keyset[id]
+if_expr_thens(
+  int id: @if_expr ref,
+  int then: @block_expr ref
+);
+
+impl_trait_type_reprs(
+  unique int id: @impl_trait_type_repr
+);
+
+#keyset[id]
+impl_trait_type_repr_type_bound_lists(
+  int id: @impl_trait_type_repr ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+index_exprs(
+  unique int id: @index_expr
+);
+
+#keyset[id, index]
+index_expr_attrs(
+  int id: @index_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+index_expr_bases(
+  int id: @index_expr ref,
+  int base: @expr ref
+);
+
+#keyset[id]
+index_expr_indices(
+  int id: @index_expr ref,
+  int index: @expr ref
+);
+
+infer_type_reprs(
+  unique int id: @infer_type_repr
+);
+
+@item =
+  @adt
+| @assoc_item
+| @extern_block
+| @extern_crate
+| @extern_item
+| @impl
+| @macro_def
+| @macro_rules
+| @module
+| @trait
+| @trait_alias
+| @use
+;
+
+#keyset[id]
+item_attribute_macro_expansions(
+  int id: @item ref,
+  int attribute_macro_expansion: @macro_items ref
+);
+
+@labelable_expr =
+  @block_expr
+| @looping_expr
+;
+
+#keyset[id]
+labelable_expr_labels(
+  int id: @labelable_expr ref,
+  int label: @label ref
+);
+
+let_exprs(
+  unique int id: @let_expr
+);
+
+#keyset[id, index]
+let_expr_attrs(
+  int id: @let_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+let_expr_scrutinees(
+  int id: @let_expr ref,
+  int scrutinee: @expr ref
+);
+
+#keyset[id]
+let_expr_pats(
+  int id: @let_expr ref,
+  int pat: @pat ref
+);
+
+let_stmts(
+  unique int id: @let_stmt
+);
+
+#keyset[id, index]
+let_stmt_attrs(
+  int id: @let_stmt ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+let_stmt_initializers(
+  int id: @let_stmt ref,
+  int initializer: @expr ref
+);
+
+#keyset[id]
+let_stmt_let_elses(
+  int id: @let_stmt ref,
+  int let_else: @let_else ref
+);
+
+#keyset[id]
+let_stmt_pats(
+  int id: @let_stmt ref,
+  int pat: @pat ref
+);
+
+#keyset[id]
+let_stmt_type_reprs(
+  int id: @let_stmt ref,
+  int type_repr: @type_repr ref
+);
+
+lifetimes(
+  unique int id: @lifetime
+);
+
+#keyset[id]
+lifetime_texts(
+  int id: @lifetime ref,
+  string text: string ref
+);
+
+lifetime_args(
+  unique int id: @lifetime_arg
+);
+
+#keyset[id]
+lifetime_arg_lifetimes(
+  int id: @lifetime_arg ref,
+  int lifetime: @lifetime ref
+);
+
+lifetime_params(
+  unique int id: @lifetime_param
+);
+
+#keyset[id, index]
+lifetime_param_attrs(
+  int id: @lifetime_param ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+lifetime_param_lifetimes(
+  int id: @lifetime_param ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+lifetime_param_type_bound_lists(
+  int id: @lifetime_param ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+literal_exprs(
+  unique int id: @literal_expr
+);
+
+#keyset[id, index]
+literal_expr_attrs(
+  int id: @literal_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+literal_expr_text_values(
+  int id: @literal_expr ref,
+  string text_value: string ref
+);
+
+literal_pats(
+  unique int id: @literal_pat
+);
+
+#keyset[id]
+literal_pat_literals(
+  int id: @literal_pat ref,
+  int literal: @literal_expr ref
+);
+
+macro_block_exprs(
+  unique int id: @macro_block_expr
+);
+
+#keyset[id]
+macro_block_expr_tail_exprs(
+  int id: @macro_block_expr ref,
+  int tail_expr: @expr ref
+);
+
+#keyset[id, index]
+macro_block_expr_statements(
+  int id: @macro_block_expr ref,
+  int index: int ref,
+  int statement: @stmt ref
+);
+
+macro_exprs(
+  unique int id: @macro_expr
+);
+
+#keyset[id]
+macro_expr_macro_calls(
+  int id: @macro_expr ref,
+  int macro_call: @macro_call ref
+);
+
+macro_pats(
+  unique int id: @macro_pat
+);
+
+#keyset[id]
+macro_pat_macro_calls(
+  int id: @macro_pat ref,
+  int macro_call: @macro_call ref
+);
+
+macro_type_reprs(
+  unique int id: @macro_type_repr
+);
+
+#keyset[id]
+macro_type_repr_macro_calls(
+  int id: @macro_type_repr ref,
+  int macro_call: @macro_call ref
+);
+
+match_exprs(
+  unique int id: @match_expr
+);
+
+#keyset[id, index]
+match_expr_attrs(
+  int id: @match_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+match_expr_scrutinees(
+  int id: @match_expr ref,
+  int scrutinee: @expr ref
+);
+
+#keyset[id]
+match_expr_match_arm_lists(
+  int id: @match_expr ref,
+  int match_arm_list: @match_arm_list ref
+);
+
+name_refs(
+  unique int id: @name_ref
+);
+
+#keyset[id]
+name_ref_texts(
+  int id: @name_ref ref,
+  string text: string ref
+);
+
+never_type_reprs(
+  unique int id: @never_type_repr
+);
+
+offset_of_exprs(
+  unique int id: @offset_of_expr
+);
+
+#keyset[id, index]
+offset_of_expr_attrs(
+  int id: @offset_of_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+offset_of_expr_fields(
+  int id: @offset_of_expr ref,
+  int index: int ref,
+  int field: @name_ref ref
+);
+
+#keyset[id]
+offset_of_expr_type_reprs(
+  int id: @offset_of_expr ref,
+  int type_repr: @type_repr ref
+);
+
+or_pats(
+  unique int id: @or_pat
+);
+
+#keyset[id, index]
+or_pat_pats(
+  int id: @or_pat ref,
+  int index: int ref,
+  int pat: @pat ref
+);
+
+params(
+  unique int id: @param
+);
+
+#keyset[id]
+param_pats(
+  int id: @param ref,
+  int pat: @pat ref
+);
+
+paren_exprs(
+  unique int id: @paren_expr
+);
+
+#keyset[id, index]
+paren_expr_attrs(
+  int id: @paren_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+paren_expr_exprs(
+  int id: @paren_expr ref,
+  int expr: @expr ref
+);
+
+paren_pats(
+  unique int id: @paren_pat
+);
+
+#keyset[id]
+paren_pat_pats(
+  int id: @paren_pat ref,
+  int pat: @pat ref
+);
+
+paren_type_reprs(
+  unique int id: @paren_type_repr
+);
+
+#keyset[id]
+paren_type_repr_type_reprs(
+  int id: @paren_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+@path_ast_node =
+  @path_expr
+| @path_pat
+| @struct_expr
+| @struct_pat
+| @tuple_struct_pat
+;
+
+#keyset[id]
+path_ast_node_paths(
+  int id: @path_ast_node ref,
+  int path: @path ref
+);
+
+@path_expr_base =
+  @path_expr
+;
+
+path_type_reprs(
+  unique int id: @path_type_repr
+);
+
+#keyset[id]
+path_type_repr_paths(
+  int id: @path_type_repr ref,
+  int path: @path ref
+);
+
+prefix_exprs(
+  unique int id: @prefix_expr
+);
+
+#keyset[id, index]
+prefix_expr_attrs(
+  int id: @prefix_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+prefix_expr_exprs(
+  int id: @prefix_expr ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+prefix_expr_operator_names(
+  int id: @prefix_expr ref,
+  string operator_name: string ref
+);
+
+ptr_type_reprs(
+  unique int id: @ptr_type_repr
+);
+
+#keyset[id]
+ptr_type_repr_is_const(
+  int id: @ptr_type_repr ref
+);
+
+#keyset[id]
+ptr_type_repr_is_mut(
+  int id: @ptr_type_repr ref
+);
+
+#keyset[id]
+ptr_type_repr_type_reprs(
+  int id: @ptr_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+range_exprs(
+  unique int id: @range_expr
+);
+
+#keyset[id, index]
+range_expr_attrs(
+  int id: @range_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+range_expr_ends(
+  int id: @range_expr ref,
+  int end: @expr ref
+);
+
+#keyset[id]
+range_expr_operator_names(
+  int id: @range_expr ref,
+  string operator_name: string ref
+);
+
+#keyset[id]
+range_expr_starts(
+  int id: @range_expr ref,
+  int start: @expr ref
+);
+
+range_pats(
+  unique int id: @range_pat
+);
+
+#keyset[id]
+range_pat_ends(
+  int id: @range_pat ref,
+  int end: @pat ref
+);
+
+#keyset[id]
+range_pat_operator_names(
+  int id: @range_pat ref,
+  string operator_name: string ref
+);
+
+#keyset[id]
+range_pat_starts(
+  int id: @range_pat ref,
+  int start: @pat ref
+);
+
+ref_exprs(
+  unique int id: @ref_expr
+);
+
+#keyset[id, index]
+ref_expr_attrs(
+  int id: @ref_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+ref_expr_exprs(
+  int id: @ref_expr ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+ref_expr_is_const(
+  int id: @ref_expr ref
+);
+
+#keyset[id]
+ref_expr_is_mut(
+  int id: @ref_expr ref
+);
+
+#keyset[id]
+ref_expr_is_raw(
+  int id: @ref_expr ref
+);
+
+ref_pats(
+  unique int id: @ref_pat
+);
+
+#keyset[id]
+ref_pat_is_mut(
+  int id: @ref_pat ref
+);
+
+#keyset[id]
+ref_pat_pats(
+  int id: @ref_pat ref,
+  int pat: @pat ref
+);
+
+ref_type_reprs(
+  unique int id: @ref_type_repr
+);
+
+#keyset[id]
+ref_type_repr_is_mut(
+  int id: @ref_type_repr ref
+);
+
+#keyset[id]
+ref_type_repr_lifetimes(
+  int id: @ref_type_repr ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+ref_type_repr_type_reprs(
+  int id: @ref_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+rest_pats(
+  unique int id: @rest_pat
+);
+
+#keyset[id, index]
+rest_pat_attrs(
+  int id: @rest_pat ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+return_exprs(
+  unique int id: @return_expr
+);
+
+#keyset[id, index]
+return_expr_attrs(
+  int id: @return_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+return_expr_exprs(
+  int id: @return_expr ref,
+  int expr: @expr ref
+);
+
+self_params(
+  unique int id: @self_param
+);
+
+#keyset[id]
+self_param_is_ref(
+  int id: @self_param ref
+);
+
+#keyset[id]
+self_param_is_mut(
+  int id: @self_param ref
+);
+
+#keyset[id]
+self_param_lifetimes(
+  int id: @self_param ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+self_param_names(
+  int id: @self_param ref,
+  int name: @name ref
+);
+
+slice_pats(
+  unique int id: @slice_pat
+);
+
+#keyset[id, index]
+slice_pat_pats(
+  int id: @slice_pat ref,
+  int index: int ref,
+  int pat: @pat ref
+);
+
+slice_type_reprs(
+  unique int id: @slice_type_repr
+);
+
+#keyset[id]
+slice_type_repr_type_reprs(
+  int id: @slice_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+struct_field_lists(
+  unique int id: @struct_field_list
+);
+
+#keyset[id, index]
+struct_field_list_fields(
+  int id: @struct_field_list ref,
+  int index: int ref,
+  int field: @struct_field ref
+);
+
+try_exprs(
+  unique int id: @try_expr
+);
+
+#keyset[id, index]
+try_expr_attrs(
+  int id: @try_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+try_expr_exprs(
+  int id: @try_expr ref,
+  int expr: @expr ref
+);
+
+tuple_exprs(
+  unique int id: @tuple_expr
+);
+
+#keyset[id, index]
+tuple_expr_attrs(
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+tuple_expr_fields(
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int field: @expr ref
+);
+
+tuple_field_lists(
+  unique int id: @tuple_field_list
+);
+
+#keyset[id, index]
+tuple_field_list_fields(
+  int id: @tuple_field_list ref,
+  int index: int ref,
+  int field: @tuple_field ref
+);
+
+tuple_pats(
+  unique int id: @tuple_pat
+);
+
+#keyset[id, index]
+tuple_pat_fields(
+  int id: @tuple_pat ref,
+  int index: int ref,
+  int field: @pat ref
+);
+
+tuple_type_reprs(
+  unique int id: @tuple_type_repr
+);
+
+#keyset[id, index]
+tuple_type_repr_fields(
+  int id: @tuple_type_repr ref,
+  int index: int ref,
+  int field: @type_repr ref
+);
+
+type_args(
+  unique int id: @type_arg
+);
+
+#keyset[id]
+type_arg_type_reprs(
+  int id: @type_arg ref,
+  int type_repr: @type_repr ref
+);
+
+type_params(
+  unique int id: @type_param
+);
+
+#keyset[id, index]
+type_param_attrs(
+  int id: @type_param ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+type_param_default_types(
+  int id: @type_param ref,
+  int default_type: @type_repr ref
+);
+
+#keyset[id]
+type_param_names(
+  int id: @type_param ref,
+  int name: @name ref
+);
+
+#keyset[id]
+type_param_type_bound_lists(
+  int id: @type_param ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+underscore_exprs(
+  unique int id: @underscore_expr
+);
+
+#keyset[id, index]
+underscore_expr_attrs(
+  int id: @underscore_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+variants(
+  unique int id: @variant
+);
+
+#keyset[id, index]
+variant_attrs(
+  int id: @variant ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+variant_discriminants(
+  int id: @variant ref,
+  int discriminant: @expr ref
+);
+
+#keyset[id]
+variant_field_lists(
+  int id: @variant ref,
+  int field_list: @field_list ref
+);
+
+#keyset[id]
+variant_names(
+  int id: @variant ref,
+  int name: @name ref
+);
+
+#keyset[id]
+variant_visibilities(
+  int id: @variant ref,
+  int visibility: @visibility ref
+);
+
+wildcard_pats(
+  unique int id: @wildcard_pat
+);
+
+yeet_exprs(
+  unique int id: @yeet_expr
+);
+
+#keyset[id, index]
+yeet_expr_attrs(
+  int id: @yeet_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+yeet_expr_exprs(
+  int id: @yeet_expr ref,
+  int expr: @expr ref
+);
+
+yield_exprs(
+  unique int id: @yield_expr
+);
+
+#keyset[id, index]
+yield_expr_attrs(
+  int id: @yield_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+yield_expr_exprs(
+  int id: @yield_expr ref,
+  int expr: @expr ref
+);
+
+@adt =
+  @enum
+| @struct
+| @union
+;
+
+#keyset[id, index]
+adt_derive_macro_expansions(
+  int id: @adt ref,
+  int index: int ref,
+  int derive_macro_expansion: @macro_items ref
+);
+
+@assoc_item =
+  @const
+| @function
+| @macro_call
+| @type_alias
+;
+
+block_exprs(
+  unique int id: @block_expr
+);
+
+#keyset[id, index]
+block_expr_attrs(
+  int id: @block_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+block_expr_is_async(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_const(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_gen(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_move(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_try(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_unsafe(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_stmt_lists(
+  int id: @block_expr ref,
+  int stmt_list: @stmt_list ref
+);
+
+call_exprs(
+  unique int id: @call_expr
+);
+
+#keyset[id]
+call_expr_functions(
+  int id: @call_expr ref,
+  int function: @expr ref
+);
+
+extern_blocks(
+  unique int id: @extern_block
+);
+
+#keyset[id]
+extern_block_abis(
+  int id: @extern_block ref,
+  int abi: @abi ref
+);
+
+#keyset[id, index]
+extern_block_attrs(
+  int id: @extern_block ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+extern_block_extern_item_lists(
+  int id: @extern_block ref,
+  int extern_item_list: @extern_item_list ref
+);
+
+#keyset[id]
+extern_block_is_unsafe(
+  int id: @extern_block ref
+);
+
+extern_crates(
+  unique int id: @extern_crate
+);
+
+#keyset[id, index]
+extern_crate_attrs(
+  int id: @extern_crate ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+extern_crate_identifiers(
+  int id: @extern_crate ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+extern_crate_renames(
+  int id: @extern_crate ref,
+  int rename: @rename ref
+);
+
+#keyset[id]
+extern_crate_visibilities(
+  int id: @extern_crate ref,
+  int visibility: @visibility ref
+);
+
+@extern_item =
+  @function
+| @macro_call
+| @static
+| @type_alias
+;
+
+impls(
+  unique int id: @impl
+);
+
+#keyset[id]
+impl_assoc_item_lists(
+  int id: @impl ref,
+  int assoc_item_list: @assoc_item_list ref
+);
+
+#keyset[id, index]
+impl_attrs(
+  int id: @impl ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+impl_generic_param_lists(
+  int id: @impl ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+impl_is_const(
+  int id: @impl ref
+);
+
+#keyset[id]
+impl_is_default(
+  int id: @impl ref
+);
+
+#keyset[id]
+impl_is_unsafe(
+  int id: @impl ref
+);
+
+#keyset[id]
+impl_self_ties(
+  int id: @impl ref,
+  int self_ty: @type_repr ref
+);
+
+#keyset[id]
+impl_traits(
+  int id: @impl ref,
+  int trait: @type_repr ref
+);
+
+#keyset[id]
+impl_visibilities(
+  int id: @impl ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+impl_where_clauses(
+  int id: @impl ref,
+  int where_clause: @where_clause ref
+);
+
+@looping_expr =
+  @for_expr
+| @loop_expr
+| @while_expr
+;
+
+#keyset[id]
+looping_expr_loop_bodies(
+  int id: @looping_expr ref,
+  int loop_body: @block_expr ref
+);
+
+macro_defs(
+  unique int id: @macro_def
+);
+
+#keyset[id]
+macro_def_args(
+  int id: @macro_def ref,
+  int args: @token_tree ref
+);
+
+#keyset[id, index]
+macro_def_attrs(
+  int id: @macro_def ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+macro_def_bodies(
+  int id: @macro_def ref,
+  int body: @token_tree ref
+);
+
+#keyset[id]
+macro_def_names(
+  int id: @macro_def ref,
+  int name: @name ref
+);
+
+#keyset[id]
+macro_def_visibilities(
+  int id: @macro_def ref,
+  int visibility: @visibility ref
+);
+
+macro_rules(
+  unique int id: @macro_rules
+);
+
+#keyset[id, index]
+macro_rules_attrs(
+  int id: @macro_rules ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+macro_rules_names(
+  int id: @macro_rules ref,
+  int name: @name ref
+);
+
+#keyset[id]
+macro_rules_token_trees(
+  int id: @macro_rules ref,
+  int token_tree: @token_tree ref
+);
+
+#keyset[id]
+macro_rules_visibilities(
+  int id: @macro_rules ref,
+  int visibility: @visibility ref
+);
+
+method_call_exprs(
+  unique int id: @method_call_expr
+);
+
+#keyset[id]
+method_call_expr_generic_arg_lists(
+  int id: @method_call_expr ref,
+  int generic_arg_list: @generic_arg_list ref
+);
+
+#keyset[id]
+method_call_expr_identifiers(
+  int id: @method_call_expr ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+method_call_expr_receivers(
+  int id: @method_call_expr ref,
+  int receiver: @expr ref
+);
+
+modules(
+  unique int id: @module
+);
+
+#keyset[id, index]
+module_attrs(
+  int id: @module ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+module_item_lists(
+  int id: @module ref,
+  int item_list: @item_list ref
+);
+
+#keyset[id]
+module_names(
+  int id: @module ref,
+  int name: @name ref
+);
+
+#keyset[id]
+module_visibilities(
+  int id: @module ref,
+  int visibility: @visibility ref
+);
+
+path_exprs(
+  unique int id: @path_expr
+);
+
+#keyset[id, index]
+path_expr_attrs(
+  int id: @path_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+path_pats(
+  unique int id: @path_pat
+);
+
+struct_exprs(
+  unique int id: @struct_expr
+);
+
+#keyset[id]
+struct_expr_struct_expr_field_lists(
+  int id: @struct_expr ref,
+  int struct_expr_field_list: @struct_expr_field_list ref
+);
+
+struct_pats(
+  unique int id: @struct_pat
+);
+
+#keyset[id]
+struct_pat_struct_pat_field_lists(
+  int id: @struct_pat ref,
+  int struct_pat_field_list: @struct_pat_field_list ref
+);
+
+traits(
+  unique int id: @trait
+);
+
+#keyset[id]
+trait_assoc_item_lists(
+  int id: @trait ref,
+  int assoc_item_list: @assoc_item_list ref
+);
+
+#keyset[id, index]
+trait_attrs(
+  int id: @trait ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+trait_generic_param_lists(
+  int id: @trait ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+trait_is_auto(
+  int id: @trait ref
+);
+
+#keyset[id]
+trait_is_unsafe(
+  int id: @trait ref
+);
+
+#keyset[id]
+trait_names(
+  int id: @trait ref,
+  int name: @name ref
+);
+
+#keyset[id]
+trait_type_bound_lists(
+  int id: @trait ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+#keyset[id]
+trait_visibilities(
+  int id: @trait ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+trait_where_clauses(
+  int id: @trait ref,
+  int where_clause: @where_clause ref
+);
+
+trait_aliases(
+  unique int id: @trait_alias
+);
+
+#keyset[id, index]
+trait_alias_attrs(
+  int id: @trait_alias ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+trait_alias_generic_param_lists(
+  int id: @trait_alias ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+trait_alias_names(
+  int id: @trait_alias ref,
+  int name: @name ref
+);
+
+#keyset[id]
+trait_alias_type_bound_lists(
+  int id: @trait_alias ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+#keyset[id]
+trait_alias_visibilities(
+  int id: @trait_alias ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+trait_alias_where_clauses(
+  int id: @trait_alias ref,
+  int where_clause: @where_clause ref
+);
+
+tuple_struct_pats(
+  unique int id: @tuple_struct_pat
+);
+
+#keyset[id, index]
+tuple_struct_pat_fields(
+  int id: @tuple_struct_pat ref,
+  int index: int ref,
+  int field: @pat ref
+);
+
+uses(
+  unique int id: @use
+);
+
+#keyset[id, index]
+use_attrs(
+  int id: @use ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+use_use_trees(
+  int id: @use ref,
+  int use_tree: @use_tree ref
+);
+
+#keyset[id]
+use_visibilities(
+  int id: @use ref,
+  int visibility: @visibility ref
+);
+
+consts(
+  unique int id: @const
+);
+
+#keyset[id, index]
+const_attrs(
+  int id: @const ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+const_bodies(
+  int id: @const ref,
+  int body: @expr ref
+);
+
+#keyset[id]
+const_generic_param_lists(
+  int id: @const ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+const_is_const(
+  int id: @const ref
+);
+
+#keyset[id]
+const_is_default(
+  int id: @const ref
+);
+
+#keyset[id]
+const_names(
+  int id: @const ref,
+  int name: @name ref
+);
+
+#keyset[id]
+const_type_reprs(
+  int id: @const ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+const_visibilities(
+  int id: @const ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+const_where_clauses(
+  int id: @const ref,
+  int where_clause: @where_clause ref
+);
+
+#keyset[id]
+const_has_implementation(
+  int id: @const ref
+);
+
+enums(
+  unique int id: @enum
+);
+
+#keyset[id, index]
+enum_attrs(
+  int id: @enum ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+enum_generic_param_lists(
+  int id: @enum ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+enum_names(
+  int id: @enum ref,
+  int name: @name ref
+);
+
+#keyset[id]
+enum_variant_lists(
+  int id: @enum ref,
+  int variant_list: @variant_list ref
+);
+
+#keyset[id]
+enum_visibilities(
+  int id: @enum ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+enum_where_clauses(
+  int id: @enum ref,
+  int where_clause: @where_clause ref
+);
+
+for_exprs(
+  unique int id: @for_expr
+);
+
+#keyset[id, index]
+for_expr_attrs(
+  int id: @for_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+for_expr_iterables(
+  int id: @for_expr ref,
+  int iterable: @expr ref
+);
+
+#keyset[id]
+for_expr_pats(
+  int id: @for_expr ref,
+  int pat: @pat ref
+);
+
+functions(
+  unique int id: @function
+);
+
+#keyset[id]
+function_abis(
+  int id: @function ref,
+  int abi: @abi ref
+);
+
+#keyset[id]
+function_bodies(
+  int id: @function ref,
+  int body: @block_expr ref
+);
+
+#keyset[id]
+function_generic_param_lists(
+  int id: @function ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+function_is_async(
+  int id: @function ref
+);
+
+#keyset[id]
+function_is_const(
+  int id: @function ref
+);
+
+#keyset[id]
+function_is_default(
+  int id: @function ref
+);
+
+#keyset[id]
+function_is_gen(
+  int id: @function ref
+);
+
+#keyset[id]
+function_is_unsafe(
+  int id: @function ref
+);
+
+#keyset[id]
+function_names(
+  int id: @function ref,
+  int name: @name ref
+);
+
+#keyset[id]
+function_ret_types(
+  int id: @function ref,
+  int ret_type: @ret_type_repr ref
+);
+
+#keyset[id]
+function_visibilities(
+  int id: @function ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+function_where_clauses(
+  int id: @function ref,
+  int where_clause: @where_clause ref
+);
+
+#keyset[id]
+function_has_implementation(
+  int id: @function ref
+);
+
+loop_exprs(
+  unique int id: @loop_expr
+);
+
+#keyset[id, index]
+loop_expr_attrs(
+  int id: @loop_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+macro_calls(
+  unique int id: @macro_call
+);
+
+#keyset[id, index]
+macro_call_attrs(
+  int id: @macro_call ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+macro_call_paths(
+  int id: @macro_call ref,
+  int path: @path ref
+);
+
+#keyset[id]
+macro_call_token_trees(
+  int id: @macro_call ref,
+  int token_tree: @token_tree ref
+);
+
+#keyset[id]
+macro_call_macro_call_expansions(
+  int id: @macro_call ref,
+  int macro_call_expansion: @ast_node ref
+);
+
+statics(
+  unique int id: @static
+);
+
+#keyset[id, index]
+static_attrs(
+  int id: @static ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+static_bodies(
+  int id: @static ref,
+  int body: @expr ref
+);
+
+#keyset[id]
+static_is_mut(
+  int id: @static ref
+);
+
+#keyset[id]
+static_is_static(
+  int id: @static ref
+);
+
+#keyset[id]
+static_is_unsafe(
+  int id: @static ref
+);
+
+#keyset[id]
+static_names(
+  int id: @static ref,
+  int name: @name ref
+);
+
+#keyset[id]
+static_type_reprs(
+  int id: @static ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+static_visibilities(
+  int id: @static ref,
+  int visibility: @visibility ref
+);
+
+structs(
+  unique int id: @struct
+);
+
+#keyset[id, index]
+struct_attrs(
+  int id: @struct ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+struct_field_lists_(
+  int id: @struct ref,
+  int field_list: @field_list ref
+);
+
+#keyset[id]
+struct_generic_param_lists(
+  int id: @struct ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+struct_names(
+  int id: @struct ref,
+  int name: @name ref
+);
+
+#keyset[id]
+struct_visibilities(
+  int id: @struct ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+struct_where_clauses(
+  int id: @struct ref,
+  int where_clause: @where_clause ref
+);
+
+type_aliases(
+  unique int id: @type_alias
+);
+
+#keyset[id, index]
+type_alias_attrs(
+  int id: @type_alias ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+type_alias_generic_param_lists(
+  int id: @type_alias ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+type_alias_is_default(
+  int id: @type_alias ref
+);
+
+#keyset[id]
+type_alias_names(
+  int id: @type_alias ref,
+  int name: @name ref
+);
+
+#keyset[id]
+type_alias_type_reprs(
+  int id: @type_alias ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+type_alias_type_bound_lists(
+  int id: @type_alias ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+#keyset[id]
+type_alias_visibilities(
+  int id: @type_alias ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+type_alias_where_clauses(
+  int id: @type_alias ref,
+  int where_clause: @where_clause ref
+);
+
+unions(
+  unique int id: @union
+);
+
+#keyset[id, index]
+union_attrs(
+  int id: @union ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+union_generic_param_lists(
+  int id: @union ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+union_names(
+  int id: @union ref,
+  int name: @name ref
+);
+
+#keyset[id]
+union_struct_field_lists(
+  int id: @union ref,
+  int struct_field_list: @struct_field_list ref
+);
+
+#keyset[id]
+union_visibilities(
+  int id: @union ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+union_where_clauses(
+  int id: @union ref,
+  int where_clause: @where_clause ref
+);
+
+while_exprs(
+  unique int id: @while_expr
+);
+
+#keyset[id, index]
+while_expr_attrs(
+  int id: @while_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+while_expr_conditions(
+  int id: @while_expr ref,
+  int condition: @expr ref
+);
diff --git a/rust/ql/lib/upgrades/319c933d9615ccf40f363548cafd51d08c74a534/rust.dbscheme b/rust/ql/lib/upgrades/319c933d9615ccf40f363548cafd51d08c74a534/rust.dbscheme
new file mode 100644
index 00000000000..3c1990e7f1d
--- /dev/null
+++ b/rust/ql/lib/upgrades/319c933d9615ccf40f363548cafd51d08c74a534/rust.dbscheme
@@ -0,0 +1,3644 @@
+// generated by codegen, do not edit
+
+// from ../shared/tree-sitter-extractor/src/generator/prefix.dbscheme
+/*- Files and folders -*/
+
+/**
+ * The location of an element.
+ * The location spans column `startcolumn` of line `startline` to
+ * column `endcolumn` of line `endline` in file `file`.
+ * For more information, see
+ * [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
+ */
+locations_default(
+  unique int id: @location_default,
+  int file: @file ref,
+  int beginLine: int ref,
+  int beginColumn: int ref,
+  int endLine: int ref,
+  int endColumn: int ref
+);
+
+files(
+  unique int id: @file,
+  string name: string ref
+);
+
+folders(
+  unique int id: @folder,
+  string name: string ref
+);
+
+@container = @file | @folder
+
+containerparent(
+  int parent: @container ref,
+  unique int child: @container ref
+);
+
+/*- Empty location -*/
+
+empty_location(
+  int location: @location_default ref
+);
+
+/*- Source location prefix -*/
+
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(string prefix : string ref);
+
+/*- Diagnostic messages -*/
+
+diagnostics(
+  unique int id: @diagnostic,
+  int severity: int ref,
+  string error_tag: string ref,
+  string error_message: string ref,
+  string full_error_message: string ref,
+  int location: @location_default ref
+);
+
+/*- Diagnostic messages: severity -*/
+
+case @diagnostic.severity of
+  10 = @diagnostic_debug
+| 20 = @diagnostic_info
+| 30 = @diagnostic_warning
+| 40 = @diagnostic_error
+;
+
+/*- YAML -*/
+
+#keyset[parent, idx]
+yaml (unique int id: @yaml_node,
+      int kind: int ref,
+      int parent: @yaml_node_parent ref,
+      int idx: int ref,
+      string tag: string ref,
+      string tostring: string ref);
+
+case @yaml_node.kind of
+  0 = @yaml_scalar_node
+| 1 = @yaml_mapping_node
+| 2 = @yaml_sequence_node
+| 3 = @yaml_alias_node
+;
+
+@yaml_collection_node = @yaml_mapping_node | @yaml_sequence_node;
+
+@yaml_node_parent = @yaml_collection_node | @file;
+
+yaml_anchors (unique int node: @yaml_node ref,
+              string anchor: string ref);
+
+yaml_aliases (unique int alias: @yaml_alias_node ref,
+              string target: string ref);
+
+yaml_scalars (unique int scalar: @yaml_scalar_node ref,
+              int style: int ref,
+              string value: string ref);
+
+yaml_errors (unique int id: @yaml_error,
+             string message: string ref);
+
+yaml_locations(unique int locatable: @yaml_locatable ref,
+             int location: @location_default ref);
+
+@yaml_locatable = @yaml_node | @yaml_error;
+
+/*- Database metadata -*/
+databaseMetadata(
+  string metadataKey: string ref,
+  string value: string ref
+);
+
+overlayChangedFiles(
+  string path: string ref
+);
+
+
+// from prefix.dbscheme
+#keyset[id]
+locatable_locations(
+  int id: @locatable ref,
+  int location: @location_default ref
+);
+
+
+// from schema
+
+@element =
+  @extractor_step
+| @locatable
+| @named_crate
+| @unextracted
+;
+
+extractor_steps(
+  unique int id: @extractor_step,
+  string action: string ref,
+  int duration_ms: int ref
+);
+
+#keyset[id]
+extractor_step_files(
+  int id: @extractor_step ref,
+  int file: @file ref
+);
+
+@locatable =
+  @ast_node
+| @crate
+;
+
+named_crates(
+  unique int id: @named_crate,
+  string name: string ref,
+  int crate: @crate ref
+);
+
+@unextracted =
+  @missing
+| @unimplemented
+;
+
+@ast_node =
+  @abi
+| @addressable
+| @arg_list
+| @asm_dir_spec
+| @asm_operand
+| @asm_operand_expr
+| @asm_option
+| @asm_piece
+| @asm_reg_spec
+| @assoc_item_list
+| @attr
+| @callable
+| @expr
+| @extern_item_list
+| @field_list
+| @for_binder
+| @format_args_arg
+| @generic_arg
+| @generic_arg_list
+| @generic_param
+| @generic_param_list
+| @item_list
+| @label
+| @let_else
+| @macro_items
+| @match_arm
+| @match_arm_list
+| @match_guard
+| @meta
+| @name
+| @param_base
+| @param_list
+| @parenthesized_arg_list
+| @pat
+| @path
+| @path_segment
+| @rename
+| @resolvable
+| @ret_type_repr
+| @return_type_syntax
+| @source_file
+| @stmt
+| @stmt_list
+| @struct_expr_field
+| @struct_expr_field_list
+| @struct_field
+| @struct_pat_field
+| @struct_pat_field_list
+| @token
+| @token_tree
+| @tuple_field
+| @type_bound
+| @type_bound_list
+| @type_repr
+| @use_bound_generic_arg
+| @use_bound_generic_args
+| @use_tree
+| @use_tree_list
+| @variant_list
+| @visibility
+| @where_clause
+| @where_pred
+;
+
+crates(
+  unique int id: @crate
+);
+
+#keyset[id]
+crate_names(
+  int id: @crate ref,
+  string name: string ref
+);
+
+#keyset[id]
+crate_versions(
+  int id: @crate ref,
+  string version: string ref
+);
+
+#keyset[id, index]
+crate_cfg_options(
+  int id: @crate ref,
+  int index: int ref,
+  string cfg_option: string ref
+);
+
+#keyset[id, index]
+crate_named_dependencies(
+  int id: @crate ref,
+  int index: int ref,
+  int named_dependency: @named_crate ref
+);
+
+missings(
+  unique int id: @missing
+);
+
+unimplementeds(
+  unique int id: @unimplemented
+);
+
+abis(
+  unique int id: @abi
+);
+
+#keyset[id]
+abi_abi_strings(
+  int id: @abi ref,
+  string abi_string: string ref
+);
+
+@addressable =
+  @item
+| @variant
+;
+
+#keyset[id]
+addressable_extended_canonical_paths(
+  int id: @addressable ref,
+  string extended_canonical_path: string ref
+);
+
+#keyset[id]
+addressable_crate_origins(
+  int id: @addressable ref,
+  string crate_origin: string ref
+);
+
+arg_lists(
+  unique int id: @arg_list
+);
+
+#keyset[id, index]
+arg_list_args(
+  int id: @arg_list ref,
+  int index: int ref,
+  int arg: @expr ref
+);
+
+asm_dir_specs(
+  unique int id: @asm_dir_spec
+);
+
+@asm_operand =
+  @asm_const
+| @asm_label
+| @asm_reg_operand
+| @asm_sym
+;
+
+asm_operand_exprs(
+  unique int id: @asm_operand_expr
+);
+
+#keyset[id]
+asm_operand_expr_in_exprs(
+  int id: @asm_operand_expr ref,
+  int in_expr: @expr ref
+);
+
+#keyset[id]
+asm_operand_expr_out_exprs(
+  int id: @asm_operand_expr ref,
+  int out_expr: @expr ref
+);
+
+asm_options(
+  unique int id: @asm_option
+);
+
+#keyset[id]
+asm_option_is_raw(
+  int id: @asm_option ref
+);
+
+@asm_piece =
+  @asm_clobber_abi
+| @asm_operand_named
+| @asm_options_list
+;
+
+asm_reg_specs(
+  unique int id: @asm_reg_spec
+);
+
+#keyset[id]
+asm_reg_spec_identifiers(
+  int id: @asm_reg_spec ref,
+  int identifier: @name_ref ref
+);
+
+assoc_item_lists(
+  unique int id: @assoc_item_list
+);
+
+#keyset[id, index]
+assoc_item_list_assoc_items(
+  int id: @assoc_item_list ref,
+  int index: int ref,
+  int assoc_item: @assoc_item ref
+);
+
+#keyset[id, index]
+assoc_item_list_attrs(
+  int id: @assoc_item_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+attrs(
+  unique int id: @attr
+);
+
+#keyset[id]
+attr_meta(
+  int id: @attr ref,
+  int meta: @meta ref
+);
+
+@callable =
+  @closure_expr
+| @function
+;
+
+#keyset[id]
+callable_param_lists(
+  int id: @callable ref,
+  int param_list: @param_list ref
+);
+
+#keyset[id, index]
+callable_attrs(
+  int id: @callable ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+@expr =
+  @array_expr_internal
+| @asm_expr
+| @await_expr
+| @become_expr
+| @binary_expr
+| @break_expr
+| @call_expr_base
+| @cast_expr
+| @closure_expr
+| @continue_expr
+| @field_expr
+| @format_args_expr
+| @if_expr
+| @index_expr
+| @labelable_expr
+| @let_expr
+| @literal_expr
+| @macro_block_expr
+| @macro_expr
+| @match_expr
+| @offset_of_expr
+| @paren_expr
+| @path_expr_base
+| @prefix_expr
+| @range_expr
+| @ref_expr
+| @return_expr
+| @struct_expr
+| @try_expr
+| @tuple_expr
+| @underscore_expr
+| @yeet_expr
+| @yield_expr
+;
+
+extern_item_lists(
+  unique int id: @extern_item_list
+);
+
+#keyset[id, index]
+extern_item_list_attrs(
+  int id: @extern_item_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+extern_item_list_extern_items(
+  int id: @extern_item_list ref,
+  int index: int ref,
+  int extern_item: @extern_item ref
+);
+
+@field_list =
+  @struct_field_list
+| @tuple_field_list
+;
+
+for_binders(
+  unique int id: @for_binder
+);
+
+#keyset[id]
+for_binder_generic_param_lists(
+  int id: @for_binder ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+format_args_args(
+  unique int id: @format_args_arg
+);
+
+#keyset[id]
+format_args_arg_exprs(
+  int id: @format_args_arg ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+format_args_arg_names(
+  int id: @format_args_arg ref,
+  int name: @name ref
+);
+
+@generic_arg =
+  @assoc_type_arg
+| @const_arg
+| @lifetime_arg
+| @type_arg
+;
+
+generic_arg_lists(
+  unique int id: @generic_arg_list
+);
+
+#keyset[id, index]
+generic_arg_list_generic_args(
+  int id: @generic_arg_list ref,
+  int index: int ref,
+  int generic_arg: @generic_arg ref
+);
+
+@generic_param =
+  @const_param
+| @lifetime_param
+| @type_param
+;
+
+generic_param_lists(
+  unique int id: @generic_param_list
+);
+
+#keyset[id, index]
+generic_param_list_generic_params(
+  int id: @generic_param_list ref,
+  int index: int ref,
+  int generic_param: @generic_param ref
+);
+
+item_lists(
+  unique int id: @item_list
+);
+
+#keyset[id, index]
+item_list_attrs(
+  int id: @item_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+item_list_items(
+  int id: @item_list ref,
+  int index: int ref,
+  int item: @item ref
+);
+
+labels(
+  unique int id: @label
+);
+
+#keyset[id]
+label_lifetimes(
+  int id: @label ref,
+  int lifetime: @lifetime ref
+);
+
+let_elses(
+  unique int id: @let_else
+);
+
+#keyset[id]
+let_else_block_exprs(
+  int id: @let_else ref,
+  int block_expr: @block_expr ref
+);
+
+macro_items(
+  unique int id: @macro_items
+);
+
+#keyset[id, index]
+macro_items_items(
+  int id: @macro_items ref,
+  int index: int ref,
+  int item: @item ref
+);
+
+match_arms(
+  unique int id: @match_arm
+);
+
+#keyset[id, index]
+match_arm_attrs(
+  int id: @match_arm ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+match_arm_exprs(
+  int id: @match_arm ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+match_arm_guards(
+  int id: @match_arm ref,
+  int guard: @match_guard ref
+);
+
+#keyset[id]
+match_arm_pats(
+  int id: @match_arm ref,
+  int pat: @pat ref
+);
+
+match_arm_lists(
+  unique int id: @match_arm_list
+);
+
+#keyset[id, index]
+match_arm_list_arms(
+  int id: @match_arm_list ref,
+  int index: int ref,
+  int arm: @match_arm ref
+);
+
+#keyset[id, index]
+match_arm_list_attrs(
+  int id: @match_arm_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+match_guards(
+  unique int id: @match_guard
+);
+
+#keyset[id]
+match_guard_conditions(
+  int id: @match_guard ref,
+  int condition: @expr ref
+);
+
+meta(
+  unique int id: @meta
+);
+
+#keyset[id]
+meta_exprs(
+  int id: @meta ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+meta_is_unsafe(
+  int id: @meta ref
+);
+
+#keyset[id]
+meta_paths(
+  int id: @meta ref,
+  int path: @path ref
+);
+
+#keyset[id]
+meta_token_trees(
+  int id: @meta ref,
+  int token_tree: @token_tree ref
+);
+
+names(
+  unique int id: @name
+);
+
+#keyset[id]
+name_texts(
+  int id: @name ref,
+  string text: string ref
+);
+
+@param_base =
+  @param
+| @self_param
+;
+
+#keyset[id, index]
+param_base_attrs(
+  int id: @param_base ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+param_base_type_reprs(
+  int id: @param_base ref,
+  int type_repr: @type_repr ref
+);
+
+param_lists(
+  unique int id: @param_list
+);
+
+#keyset[id, index]
+param_list_params(
+  int id: @param_list ref,
+  int index: int ref,
+  int param: @param ref
+);
+
+#keyset[id]
+param_list_self_params(
+  int id: @param_list ref,
+  int self_param: @self_param ref
+);
+
+parenthesized_arg_lists(
+  unique int id: @parenthesized_arg_list
+);
+
+#keyset[id, index]
+parenthesized_arg_list_type_args(
+  int id: @parenthesized_arg_list ref,
+  int index: int ref,
+  int type_arg: @type_arg ref
+);
+
+@pat =
+  @box_pat
+| @const_block_pat
+| @ident_pat
+| @literal_pat
+| @macro_pat
+| @or_pat
+| @paren_pat
+| @path_pat
+| @range_pat
+| @ref_pat
+| @rest_pat
+| @slice_pat
+| @struct_pat
+| @tuple_pat
+| @tuple_struct_pat
+| @wildcard_pat
+;
+
+paths(
+  unique int id: @path
+);
+
+#keyset[id]
+path_qualifiers(
+  int id: @path ref,
+  int qualifier: @path ref
+);
+
+#keyset[id]
+path_segments_(
+  int id: @path ref,
+  int segment: @path_segment ref
+);
+
+path_segments(
+  unique int id: @path_segment
+);
+
+#keyset[id]
+path_segment_generic_arg_lists(
+  int id: @path_segment ref,
+  int generic_arg_list: @generic_arg_list ref
+);
+
+#keyset[id]
+path_segment_identifiers(
+  int id: @path_segment ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+path_segment_parenthesized_arg_lists(
+  int id: @path_segment ref,
+  int parenthesized_arg_list: @parenthesized_arg_list ref
+);
+
+#keyset[id]
+path_segment_ret_types(
+  int id: @path_segment ref,
+  int ret_type: @ret_type_repr ref
+);
+
+#keyset[id]
+path_segment_return_type_syntaxes(
+  int id: @path_segment ref,
+  int return_type_syntax: @return_type_syntax ref
+);
+
+#keyset[id]
+path_segment_type_reprs(
+  int id: @path_segment ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+path_segment_trait_type_reprs(
+  int id: @path_segment ref,
+  int trait_type_repr: @path_type_repr ref
+);
+
+renames(
+  unique int id: @rename
+);
+
+#keyset[id]
+rename_names(
+  int id: @rename ref,
+  int name: @name ref
+);
+
+@resolvable =
+  @method_call_expr
+| @path_ast_node
+;
+
+#keyset[id]
+resolvable_resolved_paths(
+  int id: @resolvable ref,
+  string resolved_path: string ref
+);
+
+#keyset[id]
+resolvable_resolved_crate_origins(
+  int id: @resolvable ref,
+  string resolved_crate_origin: string ref
+);
+
+ret_type_reprs(
+  unique int id: @ret_type_repr
+);
+
+#keyset[id]
+ret_type_repr_type_reprs(
+  int id: @ret_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+return_type_syntaxes(
+  unique int id: @return_type_syntax
+);
+
+source_files(
+  unique int id: @source_file
+);
+
+#keyset[id, index]
+source_file_attrs(
+  int id: @source_file ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+source_file_items(
+  int id: @source_file ref,
+  int index: int ref,
+  int item: @item ref
+);
+
+@stmt =
+  @expr_stmt
+| @item
+| @let_stmt
+;
+
+stmt_lists(
+  unique int id: @stmt_list
+);
+
+#keyset[id, index]
+stmt_list_attrs(
+  int id: @stmt_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+stmt_list_statements(
+  int id: @stmt_list ref,
+  int index: int ref,
+  int statement: @stmt ref
+);
+
+#keyset[id]
+stmt_list_tail_exprs(
+  int id: @stmt_list ref,
+  int tail_expr: @expr ref
+);
+
+struct_expr_fields(
+  unique int id: @struct_expr_field
+);
+
+#keyset[id, index]
+struct_expr_field_attrs(
+  int id: @struct_expr_field ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+struct_expr_field_exprs(
+  int id: @struct_expr_field ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+struct_expr_field_identifiers(
+  int id: @struct_expr_field ref,
+  int identifier: @name_ref ref
+);
+
+struct_expr_field_lists(
+  unique int id: @struct_expr_field_list
+);
+
+#keyset[id, index]
+struct_expr_field_list_attrs(
+  int id: @struct_expr_field_list ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+struct_expr_field_list_fields(
+  int id: @struct_expr_field_list ref,
+  int index: int ref,
+  int field: @struct_expr_field ref
+);
+
+#keyset[id]
+struct_expr_field_list_spreads(
+  int id: @struct_expr_field_list ref,
+  int spread: @expr ref
+);
+
+struct_fields(
+  unique int id: @struct_field
+);
+
+#keyset[id, index]
+struct_field_attrs(
+  int id: @struct_field ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+struct_field_defaults(
+  int id: @struct_field ref,
+  int default: @expr ref
+);
+
+#keyset[id]
+struct_field_is_unsafe(
+  int id: @struct_field ref
+);
+
+#keyset[id]
+struct_field_names(
+  int id: @struct_field ref,
+  int name: @name ref
+);
+
+#keyset[id]
+struct_field_type_reprs(
+  int id: @struct_field ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+struct_field_visibilities(
+  int id: @struct_field ref,
+  int visibility: @visibility ref
+);
+
+struct_pat_fields(
+  unique int id: @struct_pat_field
+);
+
+#keyset[id, index]
+struct_pat_field_attrs(
+  int id: @struct_pat_field ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+struct_pat_field_identifiers(
+  int id: @struct_pat_field ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+struct_pat_field_pats(
+  int id: @struct_pat_field ref,
+  int pat: @pat ref
+);
+
+struct_pat_field_lists(
+  unique int id: @struct_pat_field_list
+);
+
+#keyset[id, index]
+struct_pat_field_list_fields(
+  int id: @struct_pat_field_list ref,
+  int index: int ref,
+  int field: @struct_pat_field ref
+);
+
+#keyset[id]
+struct_pat_field_list_rest_pats(
+  int id: @struct_pat_field_list ref,
+  int rest_pat: @rest_pat ref
+);
+
+@token =
+  @comment
+;
+
+token_trees(
+  unique int id: @token_tree
+);
+
+tuple_fields(
+  unique int id: @tuple_field
+);
+
+#keyset[id, index]
+tuple_field_attrs(
+  int id: @tuple_field ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+tuple_field_type_reprs(
+  int id: @tuple_field ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+tuple_field_visibilities(
+  int id: @tuple_field ref,
+  int visibility: @visibility ref
+);
+
+type_bounds(
+  unique int id: @type_bound
+);
+
+#keyset[id]
+type_bound_for_binders(
+  int id: @type_bound ref,
+  int for_binder: @for_binder ref
+);
+
+#keyset[id]
+type_bound_is_async(
+  int id: @type_bound ref
+);
+
+#keyset[id]
+type_bound_is_const(
+  int id: @type_bound ref
+);
+
+#keyset[id]
+type_bound_lifetimes(
+  int id: @type_bound ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+type_bound_type_reprs(
+  int id: @type_bound ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+type_bound_use_bound_generic_args(
+  int id: @type_bound ref,
+  int use_bound_generic_args: @use_bound_generic_args ref
+);
+
+type_bound_lists(
+  unique int id: @type_bound_list
+);
+
+#keyset[id, index]
+type_bound_list_bounds(
+  int id: @type_bound_list ref,
+  int index: int ref,
+  int bound: @type_bound ref
+);
+
+@type_repr =
+  @array_type_repr
+| @dyn_trait_type_repr
+| @fn_ptr_type_repr
+| @for_type_repr
+| @impl_trait_type_repr
+| @infer_type_repr
+| @macro_type_repr
+| @never_type_repr
+| @paren_type_repr
+| @path_type_repr
+| @ptr_type_repr
+| @ref_type_repr
+| @slice_type_repr
+| @tuple_type_repr
+;
+
+@use_bound_generic_arg =
+  @lifetime
+| @name_ref
+;
+
+use_bound_generic_args(
+  unique int id: @use_bound_generic_args
+);
+
+#keyset[id, index]
+use_bound_generic_args_use_bound_generic_args(
+  int id: @use_bound_generic_args ref,
+  int index: int ref,
+  int use_bound_generic_arg: @use_bound_generic_arg ref
+);
+
+use_trees(
+  unique int id: @use_tree
+);
+
+#keyset[id]
+use_tree_is_glob(
+  int id: @use_tree ref
+);
+
+#keyset[id]
+use_tree_paths(
+  int id: @use_tree ref,
+  int path: @path ref
+);
+
+#keyset[id]
+use_tree_renames(
+  int id: @use_tree ref,
+  int rename: @rename ref
+);
+
+#keyset[id]
+use_tree_use_tree_lists(
+  int id: @use_tree ref,
+  int use_tree_list: @use_tree_list ref
+);
+
+use_tree_lists(
+  unique int id: @use_tree_list
+);
+
+#keyset[id, index]
+use_tree_list_use_trees(
+  int id: @use_tree_list ref,
+  int index: int ref,
+  int use_tree: @use_tree ref
+);
+
+variant_lists(
+  unique int id: @variant_list
+);
+
+#keyset[id, index]
+variant_list_variants(
+  int id: @variant_list ref,
+  int index: int ref,
+  int variant: @variant ref
+);
+
+visibilities(
+  unique int id: @visibility
+);
+
+#keyset[id]
+visibility_paths(
+  int id: @visibility ref,
+  int path: @path ref
+);
+
+where_clauses(
+  unique int id: @where_clause
+);
+
+#keyset[id, index]
+where_clause_predicates(
+  int id: @where_clause ref,
+  int index: int ref,
+  int predicate: @where_pred ref
+);
+
+where_preds(
+  unique int id: @where_pred
+);
+
+#keyset[id]
+where_pred_for_binders(
+  int id: @where_pred ref,
+  int for_binder: @for_binder ref
+);
+
+#keyset[id]
+where_pred_lifetimes(
+  int id: @where_pred ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+where_pred_type_reprs(
+  int id: @where_pred ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+where_pred_type_bound_lists(
+  int id: @where_pred ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+array_expr_internals(
+  unique int id: @array_expr_internal
+);
+
+#keyset[id, index]
+array_expr_internal_attrs(
+  int id: @array_expr_internal ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+array_expr_internal_exprs(
+  int id: @array_expr_internal ref,
+  int index: int ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+array_expr_internal_is_semicolon(
+  int id: @array_expr_internal ref
+);
+
+array_type_reprs(
+  unique int id: @array_type_repr
+);
+
+#keyset[id]
+array_type_repr_const_args(
+  int id: @array_type_repr ref,
+  int const_arg: @const_arg ref
+);
+
+#keyset[id]
+array_type_repr_element_type_reprs(
+  int id: @array_type_repr ref,
+  int element_type_repr: @type_repr ref
+);
+
+asm_clobber_abis(
+  unique int id: @asm_clobber_abi
+);
+
+asm_consts(
+  unique int id: @asm_const
+);
+
+#keyset[id]
+asm_const_exprs(
+  int id: @asm_const ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+asm_const_is_const(
+  int id: @asm_const ref
+);
+
+asm_labels(
+  unique int id: @asm_label
+);
+
+#keyset[id]
+asm_label_block_exprs(
+  int id: @asm_label ref,
+  int block_expr: @block_expr ref
+);
+
+asm_operand_nameds(
+  unique int id: @asm_operand_named
+);
+
+#keyset[id]
+asm_operand_named_asm_operands(
+  int id: @asm_operand_named ref,
+  int asm_operand: @asm_operand ref
+);
+
+#keyset[id]
+asm_operand_named_names(
+  int id: @asm_operand_named ref,
+  int name: @name ref
+);
+
+asm_options_lists(
+  unique int id: @asm_options_list
+);
+
+#keyset[id, index]
+asm_options_list_asm_options(
+  int id: @asm_options_list ref,
+  int index: int ref,
+  int asm_option: @asm_option ref
+);
+
+asm_reg_operands(
+  unique int id: @asm_reg_operand
+);
+
+#keyset[id]
+asm_reg_operand_asm_dir_specs(
+  int id: @asm_reg_operand ref,
+  int asm_dir_spec: @asm_dir_spec ref
+);
+
+#keyset[id]
+asm_reg_operand_asm_operand_exprs(
+  int id: @asm_reg_operand ref,
+  int asm_operand_expr: @asm_operand_expr ref
+);
+
+#keyset[id]
+asm_reg_operand_asm_reg_specs(
+  int id: @asm_reg_operand ref,
+  int asm_reg_spec: @asm_reg_spec ref
+);
+
+asm_syms(
+  unique int id: @asm_sym
+);
+
+#keyset[id]
+asm_sym_paths(
+  int id: @asm_sym ref,
+  int path: @path ref
+);
+
+assoc_type_args(
+  unique int id: @assoc_type_arg
+);
+
+#keyset[id]
+assoc_type_arg_const_args(
+  int id: @assoc_type_arg ref,
+  int const_arg: @const_arg ref
+);
+
+#keyset[id]
+assoc_type_arg_generic_arg_lists(
+  int id: @assoc_type_arg ref,
+  int generic_arg_list: @generic_arg_list ref
+);
+
+#keyset[id]
+assoc_type_arg_identifiers(
+  int id: @assoc_type_arg ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+assoc_type_arg_param_lists(
+  int id: @assoc_type_arg ref,
+  int param_list: @param_list ref
+);
+
+#keyset[id]
+assoc_type_arg_ret_types(
+  int id: @assoc_type_arg ref,
+  int ret_type: @ret_type_repr ref
+);
+
+#keyset[id]
+assoc_type_arg_return_type_syntaxes(
+  int id: @assoc_type_arg ref,
+  int return_type_syntax: @return_type_syntax ref
+);
+
+#keyset[id]
+assoc_type_arg_type_reprs(
+  int id: @assoc_type_arg ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+assoc_type_arg_type_bound_lists(
+  int id: @assoc_type_arg ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+await_exprs(
+  unique int id: @await_expr
+);
+
+#keyset[id, index]
+await_expr_attrs(
+  int id: @await_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+await_expr_exprs(
+  int id: @await_expr ref,
+  int expr: @expr ref
+);
+
+become_exprs(
+  unique int id: @become_expr
+);
+
+#keyset[id, index]
+become_expr_attrs(
+  int id: @become_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+become_expr_exprs(
+  int id: @become_expr ref,
+  int expr: @expr ref
+);
+
+binary_exprs(
+  unique int id: @binary_expr
+);
+
+#keyset[id, index]
+binary_expr_attrs(
+  int id: @binary_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+binary_expr_lhs(
+  int id: @binary_expr ref,
+  int lhs: @expr ref
+);
+
+#keyset[id]
+binary_expr_operator_names(
+  int id: @binary_expr ref,
+  string operator_name: string ref
+);
+
+#keyset[id]
+binary_expr_rhs(
+  int id: @binary_expr ref,
+  int rhs: @expr ref
+);
+
+box_pats(
+  unique int id: @box_pat
+);
+
+#keyset[id]
+box_pat_pats(
+  int id: @box_pat ref,
+  int pat: @pat ref
+);
+
+break_exprs(
+  unique int id: @break_expr
+);
+
+#keyset[id, index]
+break_expr_attrs(
+  int id: @break_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+break_expr_exprs(
+  int id: @break_expr ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+break_expr_lifetimes(
+  int id: @break_expr ref,
+  int lifetime: @lifetime ref
+);
+
+@call_expr_base =
+  @call_expr
+| @method_call_expr
+;
+
+#keyset[id]
+call_expr_base_arg_lists(
+  int id: @call_expr_base ref,
+  int arg_list: @arg_list ref
+);
+
+#keyset[id, index]
+call_expr_base_attrs(
+  int id: @call_expr_base ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+cast_exprs(
+  unique int id: @cast_expr
+);
+
+#keyset[id, index]
+cast_expr_attrs(
+  int id: @cast_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+cast_expr_exprs(
+  int id: @cast_expr ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+cast_expr_type_reprs(
+  int id: @cast_expr ref,
+  int type_repr: @type_repr ref
+);
+
+closure_exprs(
+  unique int id: @closure_expr
+);
+
+#keyset[id]
+closure_expr_bodies(
+  int id: @closure_expr ref,
+  int body: @expr ref
+);
+
+#keyset[id]
+closure_expr_for_binders(
+  int id: @closure_expr ref,
+  int for_binder: @for_binder ref
+);
+
+#keyset[id]
+closure_expr_is_async(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_is_const(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_is_gen(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_is_move(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_is_static(
+  int id: @closure_expr ref
+);
+
+#keyset[id]
+closure_expr_ret_types(
+  int id: @closure_expr ref,
+  int ret_type: @ret_type_repr ref
+);
+
+comments(
+  unique int id: @comment,
+  int parent: @ast_node ref,
+  string text: string ref
+);
+
+const_args(
+  unique int id: @const_arg
+);
+
+#keyset[id]
+const_arg_exprs(
+  int id: @const_arg ref,
+  int expr: @expr ref
+);
+
+const_block_pats(
+  unique int id: @const_block_pat
+);
+
+#keyset[id]
+const_block_pat_block_exprs(
+  int id: @const_block_pat ref,
+  int block_expr: @block_expr ref
+);
+
+#keyset[id]
+const_block_pat_is_const(
+  int id: @const_block_pat ref
+);
+
+const_params(
+  unique int id: @const_param
+);
+
+#keyset[id, index]
+const_param_attrs(
+  int id: @const_param ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+const_param_default_vals(
+  int id: @const_param ref,
+  int default_val: @const_arg ref
+);
+
+#keyset[id]
+const_param_is_const(
+  int id: @const_param ref
+);
+
+#keyset[id]
+const_param_names(
+  int id: @const_param ref,
+  int name: @name ref
+);
+
+#keyset[id]
+const_param_type_reprs(
+  int id: @const_param ref,
+  int type_repr: @type_repr ref
+);
+
+continue_exprs(
+  unique int id: @continue_expr
+);
+
+#keyset[id, index]
+continue_expr_attrs(
+  int id: @continue_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+continue_expr_lifetimes(
+  int id: @continue_expr ref,
+  int lifetime: @lifetime ref
+);
+
+dyn_trait_type_reprs(
+  unique int id: @dyn_trait_type_repr
+);
+
+#keyset[id]
+dyn_trait_type_repr_type_bound_lists(
+  int id: @dyn_trait_type_repr ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+expr_stmts(
+  unique int id: @expr_stmt
+);
+
+#keyset[id]
+expr_stmt_exprs(
+  int id: @expr_stmt ref,
+  int expr: @expr ref
+);
+
+field_exprs(
+  unique int id: @field_expr
+);
+
+#keyset[id, index]
+field_expr_attrs(
+  int id: @field_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+field_expr_containers(
+  int id: @field_expr ref,
+  int container: @expr ref
+);
+
+#keyset[id]
+field_expr_identifiers(
+  int id: @field_expr ref,
+  int identifier: @name_ref ref
+);
+
+fn_ptr_type_reprs(
+  unique int id: @fn_ptr_type_repr
+);
+
+#keyset[id]
+fn_ptr_type_repr_abis(
+  int id: @fn_ptr_type_repr ref,
+  int abi: @abi ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_is_async(
+  int id: @fn_ptr_type_repr ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_is_const(
+  int id: @fn_ptr_type_repr ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_is_unsafe(
+  int id: @fn_ptr_type_repr ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_param_lists(
+  int id: @fn_ptr_type_repr ref,
+  int param_list: @param_list ref
+);
+
+#keyset[id]
+fn_ptr_type_repr_ret_types(
+  int id: @fn_ptr_type_repr ref,
+  int ret_type: @ret_type_repr ref
+);
+
+for_type_reprs(
+  unique int id: @for_type_repr
+);
+
+#keyset[id]
+for_type_repr_for_binders(
+  int id: @for_type_repr ref,
+  int for_binder: @for_binder ref
+);
+
+#keyset[id]
+for_type_repr_type_reprs(
+  int id: @for_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+format_args_exprs(
+  unique int id: @format_args_expr
+);
+
+#keyset[id, index]
+format_args_expr_args(
+  int id: @format_args_expr ref,
+  int index: int ref,
+  int arg: @format_args_arg ref
+);
+
+#keyset[id, index]
+format_args_expr_attrs(
+  int id: @format_args_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+format_args_expr_templates(
+  int id: @format_args_expr ref,
+  int template: @expr ref
+);
+
+ident_pats(
+  unique int id: @ident_pat
+);
+
+#keyset[id, index]
+ident_pat_attrs(
+  int id: @ident_pat ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+ident_pat_is_mut(
+  int id: @ident_pat ref
+);
+
+#keyset[id]
+ident_pat_is_ref(
+  int id: @ident_pat ref
+);
+
+#keyset[id]
+ident_pat_names(
+  int id: @ident_pat ref,
+  int name: @name ref
+);
+
+#keyset[id]
+ident_pat_pats(
+  int id: @ident_pat ref,
+  int pat: @pat ref
+);
+
+if_exprs(
+  unique int id: @if_expr
+);
+
+#keyset[id, index]
+if_expr_attrs(
+  int id: @if_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+if_expr_conditions(
+  int id: @if_expr ref,
+  int condition: @expr ref
+);
+
+#keyset[id]
+if_expr_elses(
+  int id: @if_expr ref,
+  int else: @expr ref
+);
+
+#keyset[id]
+if_expr_thens(
+  int id: @if_expr ref,
+  int then: @block_expr ref
+);
+
+impl_trait_type_reprs(
+  unique int id: @impl_trait_type_repr
+);
+
+#keyset[id]
+impl_trait_type_repr_type_bound_lists(
+  int id: @impl_trait_type_repr ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+index_exprs(
+  unique int id: @index_expr
+);
+
+#keyset[id, index]
+index_expr_attrs(
+  int id: @index_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+index_expr_bases(
+  int id: @index_expr ref,
+  int base: @expr ref
+);
+
+#keyset[id]
+index_expr_indices(
+  int id: @index_expr ref,
+  int index: @expr ref
+);
+
+infer_type_reprs(
+  unique int id: @infer_type_repr
+);
+
+@item =
+  @adt
+| @asm_expr
+| @assoc_item
+| @extern_block
+| @extern_crate
+| @extern_item
+| @impl
+| @macro_def
+| @macro_rules
+| @module
+| @trait
+| @trait_alias
+| @use
+;
+
+#keyset[id]
+item_attribute_macro_expansions(
+  int id: @item ref,
+  int attribute_macro_expansion: @macro_items ref
+);
+
+@labelable_expr =
+  @block_expr
+| @looping_expr
+;
+
+#keyset[id]
+labelable_expr_labels(
+  int id: @labelable_expr ref,
+  int label: @label ref
+);
+
+let_exprs(
+  unique int id: @let_expr
+);
+
+#keyset[id, index]
+let_expr_attrs(
+  int id: @let_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+let_expr_scrutinees(
+  int id: @let_expr ref,
+  int scrutinee: @expr ref
+);
+
+#keyset[id]
+let_expr_pats(
+  int id: @let_expr ref,
+  int pat: @pat ref
+);
+
+let_stmts(
+  unique int id: @let_stmt
+);
+
+#keyset[id, index]
+let_stmt_attrs(
+  int id: @let_stmt ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+let_stmt_initializers(
+  int id: @let_stmt ref,
+  int initializer: @expr ref
+);
+
+#keyset[id]
+let_stmt_let_elses(
+  int id: @let_stmt ref,
+  int let_else: @let_else ref
+);
+
+#keyset[id]
+let_stmt_pats(
+  int id: @let_stmt ref,
+  int pat: @pat ref
+);
+
+#keyset[id]
+let_stmt_type_reprs(
+  int id: @let_stmt ref,
+  int type_repr: @type_repr ref
+);
+
+lifetimes(
+  unique int id: @lifetime
+);
+
+#keyset[id]
+lifetime_texts(
+  int id: @lifetime ref,
+  string text: string ref
+);
+
+lifetime_args(
+  unique int id: @lifetime_arg
+);
+
+#keyset[id]
+lifetime_arg_lifetimes(
+  int id: @lifetime_arg ref,
+  int lifetime: @lifetime ref
+);
+
+lifetime_params(
+  unique int id: @lifetime_param
+);
+
+#keyset[id, index]
+lifetime_param_attrs(
+  int id: @lifetime_param ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+lifetime_param_lifetimes(
+  int id: @lifetime_param ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+lifetime_param_type_bound_lists(
+  int id: @lifetime_param ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+literal_exprs(
+  unique int id: @literal_expr
+);
+
+#keyset[id, index]
+literal_expr_attrs(
+  int id: @literal_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+literal_expr_text_values(
+  int id: @literal_expr ref,
+  string text_value: string ref
+);
+
+literal_pats(
+  unique int id: @literal_pat
+);
+
+#keyset[id]
+literal_pat_literals(
+  int id: @literal_pat ref,
+  int literal: @literal_expr ref
+);
+
+macro_block_exprs(
+  unique int id: @macro_block_expr
+);
+
+#keyset[id]
+macro_block_expr_tail_exprs(
+  int id: @macro_block_expr ref,
+  int tail_expr: @expr ref
+);
+
+#keyset[id, index]
+macro_block_expr_statements(
+  int id: @macro_block_expr ref,
+  int index: int ref,
+  int statement: @stmt ref
+);
+
+macro_exprs(
+  unique int id: @macro_expr
+);
+
+#keyset[id]
+macro_expr_macro_calls(
+  int id: @macro_expr ref,
+  int macro_call: @macro_call ref
+);
+
+macro_pats(
+  unique int id: @macro_pat
+);
+
+#keyset[id]
+macro_pat_macro_calls(
+  int id: @macro_pat ref,
+  int macro_call: @macro_call ref
+);
+
+macro_type_reprs(
+  unique int id: @macro_type_repr
+);
+
+#keyset[id]
+macro_type_repr_macro_calls(
+  int id: @macro_type_repr ref,
+  int macro_call: @macro_call ref
+);
+
+match_exprs(
+  unique int id: @match_expr
+);
+
+#keyset[id, index]
+match_expr_attrs(
+  int id: @match_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+match_expr_scrutinees(
+  int id: @match_expr ref,
+  int scrutinee: @expr ref
+);
+
+#keyset[id]
+match_expr_match_arm_lists(
+  int id: @match_expr ref,
+  int match_arm_list: @match_arm_list ref
+);
+
+name_refs(
+  unique int id: @name_ref
+);
+
+#keyset[id]
+name_ref_texts(
+  int id: @name_ref ref,
+  string text: string ref
+);
+
+never_type_reprs(
+  unique int id: @never_type_repr
+);
+
+offset_of_exprs(
+  unique int id: @offset_of_expr
+);
+
+#keyset[id, index]
+offset_of_expr_attrs(
+  int id: @offset_of_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+offset_of_expr_fields(
+  int id: @offset_of_expr ref,
+  int index: int ref,
+  int field: @name_ref ref
+);
+
+#keyset[id]
+offset_of_expr_type_reprs(
+  int id: @offset_of_expr ref,
+  int type_repr: @type_repr ref
+);
+
+or_pats(
+  unique int id: @or_pat
+);
+
+#keyset[id, index]
+or_pat_pats(
+  int id: @or_pat ref,
+  int index: int ref,
+  int pat: @pat ref
+);
+
+params(
+  unique int id: @param
+);
+
+#keyset[id]
+param_pats(
+  int id: @param ref,
+  int pat: @pat ref
+);
+
+paren_exprs(
+  unique int id: @paren_expr
+);
+
+#keyset[id, index]
+paren_expr_attrs(
+  int id: @paren_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+paren_expr_exprs(
+  int id: @paren_expr ref,
+  int expr: @expr ref
+);
+
+paren_pats(
+  unique int id: @paren_pat
+);
+
+#keyset[id]
+paren_pat_pats(
+  int id: @paren_pat ref,
+  int pat: @pat ref
+);
+
+paren_type_reprs(
+  unique int id: @paren_type_repr
+);
+
+#keyset[id]
+paren_type_repr_type_reprs(
+  int id: @paren_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+@path_ast_node =
+  @path_expr
+| @path_pat
+| @struct_expr
+| @struct_pat
+| @tuple_struct_pat
+;
+
+#keyset[id]
+path_ast_node_paths(
+  int id: @path_ast_node ref,
+  int path: @path ref
+);
+
+@path_expr_base =
+  @path_expr
+;
+
+path_type_reprs(
+  unique int id: @path_type_repr
+);
+
+#keyset[id]
+path_type_repr_paths(
+  int id: @path_type_repr ref,
+  int path: @path ref
+);
+
+prefix_exprs(
+  unique int id: @prefix_expr
+);
+
+#keyset[id, index]
+prefix_expr_attrs(
+  int id: @prefix_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+prefix_expr_exprs(
+  int id: @prefix_expr ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+prefix_expr_operator_names(
+  int id: @prefix_expr ref,
+  string operator_name: string ref
+);
+
+ptr_type_reprs(
+  unique int id: @ptr_type_repr
+);
+
+#keyset[id]
+ptr_type_repr_is_const(
+  int id: @ptr_type_repr ref
+);
+
+#keyset[id]
+ptr_type_repr_is_mut(
+  int id: @ptr_type_repr ref
+);
+
+#keyset[id]
+ptr_type_repr_type_reprs(
+  int id: @ptr_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+range_exprs(
+  unique int id: @range_expr
+);
+
+#keyset[id, index]
+range_expr_attrs(
+  int id: @range_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+range_expr_ends(
+  int id: @range_expr ref,
+  int end: @expr ref
+);
+
+#keyset[id]
+range_expr_operator_names(
+  int id: @range_expr ref,
+  string operator_name: string ref
+);
+
+#keyset[id]
+range_expr_starts(
+  int id: @range_expr ref,
+  int start: @expr ref
+);
+
+range_pats(
+  unique int id: @range_pat
+);
+
+#keyset[id]
+range_pat_ends(
+  int id: @range_pat ref,
+  int end: @pat ref
+);
+
+#keyset[id]
+range_pat_operator_names(
+  int id: @range_pat ref,
+  string operator_name: string ref
+);
+
+#keyset[id]
+range_pat_starts(
+  int id: @range_pat ref,
+  int start: @pat ref
+);
+
+ref_exprs(
+  unique int id: @ref_expr
+);
+
+#keyset[id, index]
+ref_expr_attrs(
+  int id: @ref_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+ref_expr_exprs(
+  int id: @ref_expr ref,
+  int expr: @expr ref
+);
+
+#keyset[id]
+ref_expr_is_const(
+  int id: @ref_expr ref
+);
+
+#keyset[id]
+ref_expr_is_mut(
+  int id: @ref_expr ref
+);
+
+#keyset[id]
+ref_expr_is_raw(
+  int id: @ref_expr ref
+);
+
+ref_pats(
+  unique int id: @ref_pat
+);
+
+#keyset[id]
+ref_pat_is_mut(
+  int id: @ref_pat ref
+);
+
+#keyset[id]
+ref_pat_pats(
+  int id: @ref_pat ref,
+  int pat: @pat ref
+);
+
+ref_type_reprs(
+  unique int id: @ref_type_repr
+);
+
+#keyset[id]
+ref_type_repr_is_mut(
+  int id: @ref_type_repr ref
+);
+
+#keyset[id]
+ref_type_repr_lifetimes(
+  int id: @ref_type_repr ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+ref_type_repr_type_reprs(
+  int id: @ref_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+rest_pats(
+  unique int id: @rest_pat
+);
+
+#keyset[id, index]
+rest_pat_attrs(
+  int id: @rest_pat ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+return_exprs(
+  unique int id: @return_expr
+);
+
+#keyset[id, index]
+return_expr_attrs(
+  int id: @return_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+return_expr_exprs(
+  int id: @return_expr ref,
+  int expr: @expr ref
+);
+
+self_params(
+  unique int id: @self_param
+);
+
+#keyset[id]
+self_param_is_ref(
+  int id: @self_param ref
+);
+
+#keyset[id]
+self_param_is_mut(
+  int id: @self_param ref
+);
+
+#keyset[id]
+self_param_lifetimes(
+  int id: @self_param ref,
+  int lifetime: @lifetime ref
+);
+
+#keyset[id]
+self_param_names(
+  int id: @self_param ref,
+  int name: @name ref
+);
+
+slice_pats(
+  unique int id: @slice_pat
+);
+
+#keyset[id, index]
+slice_pat_pats(
+  int id: @slice_pat ref,
+  int index: int ref,
+  int pat: @pat ref
+);
+
+slice_type_reprs(
+  unique int id: @slice_type_repr
+);
+
+#keyset[id]
+slice_type_repr_type_reprs(
+  int id: @slice_type_repr ref,
+  int type_repr: @type_repr ref
+);
+
+struct_field_lists(
+  unique int id: @struct_field_list
+);
+
+#keyset[id, index]
+struct_field_list_fields(
+  int id: @struct_field_list ref,
+  int index: int ref,
+  int field: @struct_field ref
+);
+
+try_exprs(
+  unique int id: @try_expr
+);
+
+#keyset[id, index]
+try_expr_attrs(
+  int id: @try_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+try_expr_exprs(
+  int id: @try_expr ref,
+  int expr: @expr ref
+);
+
+tuple_exprs(
+  unique int id: @tuple_expr
+);
+
+#keyset[id, index]
+tuple_expr_attrs(
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+tuple_expr_fields(
+  int id: @tuple_expr ref,
+  int index: int ref,
+  int field: @expr ref
+);
+
+tuple_field_lists(
+  unique int id: @tuple_field_list
+);
+
+#keyset[id, index]
+tuple_field_list_fields(
+  int id: @tuple_field_list ref,
+  int index: int ref,
+  int field: @tuple_field ref
+);
+
+tuple_pats(
+  unique int id: @tuple_pat
+);
+
+#keyset[id, index]
+tuple_pat_fields(
+  int id: @tuple_pat ref,
+  int index: int ref,
+  int field: @pat ref
+);
+
+tuple_type_reprs(
+  unique int id: @tuple_type_repr
+);
+
+#keyset[id, index]
+tuple_type_repr_fields(
+  int id: @tuple_type_repr ref,
+  int index: int ref,
+  int field: @type_repr ref
+);
+
+type_args(
+  unique int id: @type_arg
+);
+
+#keyset[id]
+type_arg_type_reprs(
+  int id: @type_arg ref,
+  int type_repr: @type_repr ref
+);
+
+type_params(
+  unique int id: @type_param
+);
+
+#keyset[id, index]
+type_param_attrs(
+  int id: @type_param ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+type_param_default_types(
+  int id: @type_param ref,
+  int default_type: @type_repr ref
+);
+
+#keyset[id]
+type_param_names(
+  int id: @type_param ref,
+  int name: @name ref
+);
+
+#keyset[id]
+type_param_type_bound_lists(
+  int id: @type_param ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+underscore_exprs(
+  unique int id: @underscore_expr
+);
+
+#keyset[id, index]
+underscore_expr_attrs(
+  int id: @underscore_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+variants(
+  unique int id: @variant
+);
+
+#keyset[id, index]
+variant_attrs(
+  int id: @variant ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+variant_discriminants(
+  int id: @variant ref,
+  int discriminant: @expr ref
+);
+
+#keyset[id]
+variant_field_lists(
+  int id: @variant ref,
+  int field_list: @field_list ref
+);
+
+#keyset[id]
+variant_names(
+  int id: @variant ref,
+  int name: @name ref
+);
+
+#keyset[id]
+variant_visibilities(
+  int id: @variant ref,
+  int visibility: @visibility ref
+);
+
+wildcard_pats(
+  unique int id: @wildcard_pat
+);
+
+yeet_exprs(
+  unique int id: @yeet_expr
+);
+
+#keyset[id, index]
+yeet_expr_attrs(
+  int id: @yeet_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+yeet_expr_exprs(
+  int id: @yeet_expr ref,
+  int expr: @expr ref
+);
+
+yield_exprs(
+  unique int id: @yield_expr
+);
+
+#keyset[id, index]
+yield_expr_attrs(
+  int id: @yield_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+yield_expr_exprs(
+  int id: @yield_expr ref,
+  int expr: @expr ref
+);
+
+@adt =
+  @enum
+| @struct
+| @union
+;
+
+#keyset[id, index]
+adt_derive_macro_expansions(
+  int id: @adt ref,
+  int index: int ref,
+  int derive_macro_expansion: @macro_items ref
+);
+
+asm_exprs(
+  unique int id: @asm_expr
+);
+
+#keyset[id, index]
+asm_expr_asm_pieces(
+  int id: @asm_expr ref,
+  int index: int ref,
+  int asm_piece: @asm_piece ref
+);
+
+#keyset[id, index]
+asm_expr_attrs(
+  int id: @asm_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id, index]
+asm_expr_templates(
+  int id: @asm_expr ref,
+  int index: int ref,
+  int template: @expr ref
+);
+
+@assoc_item =
+  @const
+| @function
+| @macro_call
+| @type_alias
+;
+
+block_exprs(
+  unique int id: @block_expr
+);
+
+#keyset[id, index]
+block_expr_attrs(
+  int id: @block_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+block_expr_is_async(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_const(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_gen(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_move(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_try(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_is_unsafe(
+  int id: @block_expr ref
+);
+
+#keyset[id]
+block_expr_stmt_lists(
+  int id: @block_expr ref,
+  int stmt_list: @stmt_list ref
+);
+
+call_exprs(
+  unique int id: @call_expr
+);
+
+#keyset[id]
+call_expr_functions(
+  int id: @call_expr ref,
+  int function: @expr ref
+);
+
+extern_blocks(
+  unique int id: @extern_block
+);
+
+#keyset[id]
+extern_block_abis(
+  int id: @extern_block ref,
+  int abi: @abi ref
+);
+
+#keyset[id, index]
+extern_block_attrs(
+  int id: @extern_block ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+extern_block_extern_item_lists(
+  int id: @extern_block ref,
+  int extern_item_list: @extern_item_list ref
+);
+
+#keyset[id]
+extern_block_is_unsafe(
+  int id: @extern_block ref
+);
+
+extern_crates(
+  unique int id: @extern_crate
+);
+
+#keyset[id, index]
+extern_crate_attrs(
+  int id: @extern_crate ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+extern_crate_identifiers(
+  int id: @extern_crate ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+extern_crate_renames(
+  int id: @extern_crate ref,
+  int rename: @rename ref
+);
+
+#keyset[id]
+extern_crate_visibilities(
+  int id: @extern_crate ref,
+  int visibility: @visibility ref
+);
+
+@extern_item =
+  @function
+| @macro_call
+| @static
+| @type_alias
+;
+
+impls(
+  unique int id: @impl
+);
+
+#keyset[id]
+impl_assoc_item_lists(
+  int id: @impl ref,
+  int assoc_item_list: @assoc_item_list ref
+);
+
+#keyset[id, index]
+impl_attrs(
+  int id: @impl ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+impl_generic_param_lists(
+  int id: @impl ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+impl_is_const(
+  int id: @impl ref
+);
+
+#keyset[id]
+impl_is_default(
+  int id: @impl ref
+);
+
+#keyset[id]
+impl_is_unsafe(
+  int id: @impl ref
+);
+
+#keyset[id]
+impl_self_ties(
+  int id: @impl ref,
+  int self_ty: @type_repr ref
+);
+
+#keyset[id]
+impl_traits(
+  int id: @impl ref,
+  int trait: @type_repr ref
+);
+
+#keyset[id]
+impl_visibilities(
+  int id: @impl ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+impl_where_clauses(
+  int id: @impl ref,
+  int where_clause: @where_clause ref
+);
+
+@looping_expr =
+  @for_expr
+| @loop_expr
+| @while_expr
+;
+
+#keyset[id]
+looping_expr_loop_bodies(
+  int id: @looping_expr ref,
+  int loop_body: @block_expr ref
+);
+
+macro_defs(
+  unique int id: @macro_def
+);
+
+#keyset[id]
+macro_def_args(
+  int id: @macro_def ref,
+  int args: @token_tree ref
+);
+
+#keyset[id, index]
+macro_def_attrs(
+  int id: @macro_def ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+macro_def_bodies(
+  int id: @macro_def ref,
+  int body: @token_tree ref
+);
+
+#keyset[id]
+macro_def_names(
+  int id: @macro_def ref,
+  int name: @name ref
+);
+
+#keyset[id]
+macro_def_visibilities(
+  int id: @macro_def ref,
+  int visibility: @visibility ref
+);
+
+macro_rules(
+  unique int id: @macro_rules
+);
+
+#keyset[id, index]
+macro_rules_attrs(
+  int id: @macro_rules ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+macro_rules_names(
+  int id: @macro_rules ref,
+  int name: @name ref
+);
+
+#keyset[id]
+macro_rules_token_trees(
+  int id: @macro_rules ref,
+  int token_tree: @token_tree ref
+);
+
+#keyset[id]
+macro_rules_visibilities(
+  int id: @macro_rules ref,
+  int visibility: @visibility ref
+);
+
+method_call_exprs(
+  unique int id: @method_call_expr
+);
+
+#keyset[id]
+method_call_expr_generic_arg_lists(
+  int id: @method_call_expr ref,
+  int generic_arg_list: @generic_arg_list ref
+);
+
+#keyset[id]
+method_call_expr_identifiers(
+  int id: @method_call_expr ref,
+  int identifier: @name_ref ref
+);
+
+#keyset[id]
+method_call_expr_receivers(
+  int id: @method_call_expr ref,
+  int receiver: @expr ref
+);
+
+modules(
+  unique int id: @module
+);
+
+#keyset[id, index]
+module_attrs(
+  int id: @module ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+module_item_lists(
+  int id: @module ref,
+  int item_list: @item_list ref
+);
+
+#keyset[id]
+module_names(
+  int id: @module ref,
+  int name: @name ref
+);
+
+#keyset[id]
+module_visibilities(
+  int id: @module ref,
+  int visibility: @visibility ref
+);
+
+path_exprs(
+  unique int id: @path_expr
+);
+
+#keyset[id, index]
+path_expr_attrs(
+  int id: @path_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+path_pats(
+  unique int id: @path_pat
+);
+
+struct_exprs(
+  unique int id: @struct_expr
+);
+
+#keyset[id]
+struct_expr_struct_expr_field_lists(
+  int id: @struct_expr ref,
+  int struct_expr_field_list: @struct_expr_field_list ref
+);
+
+struct_pats(
+  unique int id: @struct_pat
+);
+
+#keyset[id]
+struct_pat_struct_pat_field_lists(
+  int id: @struct_pat ref,
+  int struct_pat_field_list: @struct_pat_field_list ref
+);
+
+traits(
+  unique int id: @trait
+);
+
+#keyset[id]
+trait_assoc_item_lists(
+  int id: @trait ref,
+  int assoc_item_list: @assoc_item_list ref
+);
+
+#keyset[id, index]
+trait_attrs(
+  int id: @trait ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+trait_generic_param_lists(
+  int id: @trait ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+trait_is_auto(
+  int id: @trait ref
+);
+
+#keyset[id]
+trait_is_unsafe(
+  int id: @trait ref
+);
+
+#keyset[id]
+trait_names(
+  int id: @trait ref,
+  int name: @name ref
+);
+
+#keyset[id]
+trait_type_bound_lists(
+  int id: @trait ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+#keyset[id]
+trait_visibilities(
+  int id: @trait ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+trait_where_clauses(
+  int id: @trait ref,
+  int where_clause: @where_clause ref
+);
+
+trait_aliases(
+  unique int id: @trait_alias
+);
+
+#keyset[id, index]
+trait_alias_attrs(
+  int id: @trait_alias ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+trait_alias_generic_param_lists(
+  int id: @trait_alias ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+trait_alias_names(
+  int id: @trait_alias ref,
+  int name: @name ref
+);
+
+#keyset[id]
+trait_alias_type_bound_lists(
+  int id: @trait_alias ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+#keyset[id]
+trait_alias_visibilities(
+  int id: @trait_alias ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+trait_alias_where_clauses(
+  int id: @trait_alias ref,
+  int where_clause: @where_clause ref
+);
+
+tuple_struct_pats(
+  unique int id: @tuple_struct_pat
+);
+
+#keyset[id, index]
+tuple_struct_pat_fields(
+  int id: @tuple_struct_pat ref,
+  int index: int ref,
+  int field: @pat ref
+);
+
+uses(
+  unique int id: @use
+);
+
+#keyset[id, index]
+use_attrs(
+  int id: @use ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+use_use_trees(
+  int id: @use ref,
+  int use_tree: @use_tree ref
+);
+
+#keyset[id]
+use_visibilities(
+  int id: @use ref,
+  int visibility: @visibility ref
+);
+
+consts(
+  unique int id: @const
+);
+
+#keyset[id, index]
+const_attrs(
+  int id: @const ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+const_bodies(
+  int id: @const ref,
+  int body: @expr ref
+);
+
+#keyset[id]
+const_generic_param_lists(
+  int id: @const ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+const_is_const(
+  int id: @const ref
+);
+
+#keyset[id]
+const_is_default(
+  int id: @const ref
+);
+
+#keyset[id]
+const_names(
+  int id: @const ref,
+  int name: @name ref
+);
+
+#keyset[id]
+const_type_reprs(
+  int id: @const ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+const_visibilities(
+  int id: @const ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+const_where_clauses(
+  int id: @const ref,
+  int where_clause: @where_clause ref
+);
+
+#keyset[id]
+const_has_implementation(
+  int id: @const ref
+);
+
+enums(
+  unique int id: @enum
+);
+
+#keyset[id, index]
+enum_attrs(
+  int id: @enum ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+enum_generic_param_lists(
+  int id: @enum ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+enum_names(
+  int id: @enum ref,
+  int name: @name ref
+);
+
+#keyset[id]
+enum_variant_lists(
+  int id: @enum ref,
+  int variant_list: @variant_list ref
+);
+
+#keyset[id]
+enum_visibilities(
+  int id: @enum ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+enum_where_clauses(
+  int id: @enum ref,
+  int where_clause: @where_clause ref
+);
+
+for_exprs(
+  unique int id: @for_expr
+);
+
+#keyset[id, index]
+for_expr_attrs(
+  int id: @for_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+for_expr_iterables(
+  int id: @for_expr ref,
+  int iterable: @expr ref
+);
+
+#keyset[id]
+for_expr_pats(
+  int id: @for_expr ref,
+  int pat: @pat ref
+);
+
+functions(
+  unique int id: @function
+);
+
+#keyset[id]
+function_abis(
+  int id: @function ref,
+  int abi: @abi ref
+);
+
+#keyset[id]
+function_bodies(
+  int id: @function ref,
+  int body: @block_expr ref
+);
+
+#keyset[id]
+function_generic_param_lists(
+  int id: @function ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+function_is_async(
+  int id: @function ref
+);
+
+#keyset[id]
+function_is_const(
+  int id: @function ref
+);
+
+#keyset[id]
+function_is_default(
+  int id: @function ref
+);
+
+#keyset[id]
+function_is_gen(
+  int id: @function ref
+);
+
+#keyset[id]
+function_is_unsafe(
+  int id: @function ref
+);
+
+#keyset[id]
+function_names(
+  int id: @function ref,
+  int name: @name ref
+);
+
+#keyset[id]
+function_ret_types(
+  int id: @function ref,
+  int ret_type: @ret_type_repr ref
+);
+
+#keyset[id]
+function_visibilities(
+  int id: @function ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+function_where_clauses(
+  int id: @function ref,
+  int where_clause: @where_clause ref
+);
+
+#keyset[id]
+function_has_implementation(
+  int id: @function ref
+);
+
+loop_exprs(
+  unique int id: @loop_expr
+);
+
+#keyset[id, index]
+loop_expr_attrs(
+  int id: @loop_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+macro_calls(
+  unique int id: @macro_call
+);
+
+#keyset[id, index]
+macro_call_attrs(
+  int id: @macro_call ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+macro_call_paths(
+  int id: @macro_call ref,
+  int path: @path ref
+);
+
+#keyset[id]
+macro_call_token_trees(
+  int id: @macro_call ref,
+  int token_tree: @token_tree ref
+);
+
+#keyset[id]
+macro_call_macro_call_expansions(
+  int id: @macro_call ref,
+  int macro_call_expansion: @ast_node ref
+);
+
+statics(
+  unique int id: @static
+);
+
+#keyset[id, index]
+static_attrs(
+  int id: @static ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+static_bodies(
+  int id: @static ref,
+  int body: @expr ref
+);
+
+#keyset[id]
+static_is_mut(
+  int id: @static ref
+);
+
+#keyset[id]
+static_is_static(
+  int id: @static ref
+);
+
+#keyset[id]
+static_is_unsafe(
+  int id: @static ref
+);
+
+#keyset[id]
+static_names(
+  int id: @static ref,
+  int name: @name ref
+);
+
+#keyset[id]
+static_type_reprs(
+  int id: @static ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+static_visibilities(
+  int id: @static ref,
+  int visibility: @visibility ref
+);
+
+structs(
+  unique int id: @struct
+);
+
+#keyset[id, index]
+struct_attrs(
+  int id: @struct ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+struct_field_lists_(
+  int id: @struct ref,
+  int field_list: @field_list ref
+);
+
+#keyset[id]
+struct_generic_param_lists(
+  int id: @struct ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+struct_names(
+  int id: @struct ref,
+  int name: @name ref
+);
+
+#keyset[id]
+struct_visibilities(
+  int id: @struct ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+struct_where_clauses(
+  int id: @struct ref,
+  int where_clause: @where_clause ref
+);
+
+type_aliases(
+  unique int id: @type_alias
+);
+
+#keyset[id, index]
+type_alias_attrs(
+  int id: @type_alias ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+type_alias_generic_param_lists(
+  int id: @type_alias ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+type_alias_is_default(
+  int id: @type_alias ref
+);
+
+#keyset[id]
+type_alias_names(
+  int id: @type_alias ref,
+  int name: @name ref
+);
+
+#keyset[id]
+type_alias_type_reprs(
+  int id: @type_alias ref,
+  int type_repr: @type_repr ref
+);
+
+#keyset[id]
+type_alias_type_bound_lists(
+  int id: @type_alias ref,
+  int type_bound_list: @type_bound_list ref
+);
+
+#keyset[id]
+type_alias_visibilities(
+  int id: @type_alias ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+type_alias_where_clauses(
+  int id: @type_alias ref,
+  int where_clause: @where_clause ref
+);
+
+unions(
+  unique int id: @union
+);
+
+#keyset[id, index]
+union_attrs(
+  int id: @union ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+union_generic_param_lists(
+  int id: @union ref,
+  int generic_param_list: @generic_param_list ref
+);
+
+#keyset[id]
+union_names(
+  int id: @union ref,
+  int name: @name ref
+);
+
+#keyset[id]
+union_struct_field_lists(
+  int id: @union ref,
+  int struct_field_list: @struct_field_list ref
+);
+
+#keyset[id]
+union_visibilities(
+  int id: @union ref,
+  int visibility: @visibility ref
+);
+
+#keyset[id]
+union_where_clauses(
+  int id: @union ref,
+  int where_clause: @where_clause ref
+);
+
+while_exprs(
+  unique int id: @while_expr
+);
+
+#keyset[id, index]
+while_expr_attrs(
+  int id: @while_expr ref,
+  int index: int ref,
+  int attr: @attr ref
+);
+
+#keyset[id]
+while_expr_conditions(
+  int id: @while_expr ref,
+  int condition: @expr ref
+);
diff --git a/rust/ql/lib/upgrades/319c933d9615ccf40f363548cafd51d08c74a534/upgrade.properties b/rust/ql/lib/upgrades/319c933d9615ccf40f363548cafd51d08c74a534/upgrade.properties
new file mode 100644
index 00000000000..f843aa79559
--- /dev/null
+++ b/rust/ql/lib/upgrades/319c933d9615ccf40f363548cafd51d08c74a534/upgrade.properties
@@ -0,0 +1,18 @@
+description: Upgrade rust-analyzer to 0.0.300
+compatibility: backwards
+
+closure_binders.rel: delete
+closure_binder_generic_param_lists.rel: delete
+where_pred_generic_param_lists.rel: delete
+for_type_repr_generic_param_lists.rel: delete
+closure_expr_closure_binders.rel: delete
+closure_expr_for_binders.rel: reorder closure_expr_closure_binders.rel (@closure_expr id, @closure_binder binder) id binder
+
+for_binders.rel: run upgrade.ql new_for_binders
+for_binder_generic_param_lists.rel: run upgrade.ql new_for_binder_generic_param_lists
+for_type_repr_for_binders.rel: run upgrade.ql new_for_type_repr_for_binders
+where_pred_for_binders.rel: run upgrade.ql new_where_pred_for_binders
+type_bound_for_binders.rel: run upgrade.ql new_type_bound_for_binders
+for_type_reprs.rel: run upgrade.ql new_for_type_reprs
+type_bound_type_reprs.rel: run upgrade.ql new_type_bound_type_reprs
+locatable_locations.rel: run upgrade.ql new_locatable_locations
diff --git a/rust/ql/lib/upgrades/319c933d9615ccf40f363548cafd51d08c74a534/upgrade.ql b/rust/ql/lib/upgrades/319c933d9615ccf40f363548cafd51d08c74a534/upgrade.ql
new file mode 100644
index 00000000000..9ddf709c59c
--- /dev/null
+++ b/rust/ql/lib/upgrades/319c933d9615ccf40f363548cafd51d08c74a534/upgrade.ql
@@ -0,0 +1,94 @@
+class Element extends @element {
+  string toString() { none() }
+}
+
+class ForTypeInTypeBound extends Element, @for_type_repr {
+  Element bound;
+
+  ForTypeInTypeBound() { type_bound_type_reprs(bound, this) }
+
+  Element getBound() { result = bound }
+
+  Element getGenericParamList() { for_type_repr_generic_param_lists(this, result) }
+}
+
+class Location extends @location_default {
+  string toString() { none() }
+}
+
+// we must create new `ForBinder` elements to wrap `genericParamList`s of
+// `WherePred` and `ForType` elements
+//
+// previously, T: for<'a> X was TypeBound(type_repr=ForType(generic_param_list='a, type_repr=X))
+// but now it is TypeBound(for_binder=ForBinder(<generic_param_list='a), type_repr=X>)
+// so in that case we don't create new ForBinders, but rather we repurpose ForType ids as
+// the new ForBinders ones
+newtype TAddedElement =
+  TWherePredForBinder(Element wherePred, Element genericParamList) {
+    where_pred_generic_param_lists(wherePred, genericParamList)
+  } or
+  TForTypeForBinder(Element forType, Element genericParamList) {
+    for_type_repr_generic_param_lists(forType, genericParamList) and
+    not forType instanceof ForTypeInTypeBound
+  }
+
+module Fresh = QlBuiltins::NewEntity<TAddedElement>;
+
+class TNewElement = @element or Fresh::EntityId;
+
+class NewElement extends TNewElement {
+  string toString() { none() }
+
+  Element newGenericParamList() {
+    this = Fresh::map(TWherePredForBinder(_, result)) or
+    this = Fresh::map(TForTypeForBinder(_, result))
+  }
+}
+
+query predicate new_for_binders(NewElement id) {
+  closure_binders(id) or
+  id = Fresh::map(_) or
+  id instanceof ForTypeInTypeBound
+}
+
+query predicate new_for_binder_generic_param_lists(NewElement id, Element list) {
+  closure_binder_generic_param_lists(id, list) or
+  id.newGenericParamList() = list or
+  id.(ForTypeInTypeBound).getGenericParamList() = list
+}
+
+query predicate new_where_pred_for_binders(Element id, NewElement binder) {
+  binder = Fresh::map(TWherePredForBinder(id, _))
+}
+
+// we need to add a ForBinder to ForType if it's not in a TypeBound
+query predicate new_for_type_repr_for_binders(Element id, NewElement binder) {
+  binder = Fresh::map(TForTypeForBinder(id, _))
+}
+
+// we attach a ForTypeInTypeBound id as a ForBinder one to its TypeBound
+query predicate new_type_bound_for_binders(Element id, NewElement binder) {
+  id = binder.(ForTypeInTypeBound).getBound()
+}
+
+// we restrict ForTypes to just the ones that are not in a TypeBound
+query predicate new_for_type_reprs(Element id) {
+  for_type_reprs(id) and not id instanceof ForTypeInTypeBound
+}
+
+// for a TypeBound around a ForType, we need to move type_repr from one directly to the other
+query predicate new_type_bound_type_reprs(Element bound, Element type) {
+  exists(Element originalType |
+    type_bound_type_reprs(bound, originalType) and
+    if for_type_reprs(originalType)
+    then for_type_repr_type_reprs(originalType, type)
+    else type = originalType
+  )
+}
+
+// for newly addded ForBinders, use same location as their generic param list
+query predicate new_locatable_locations(NewElement id, Location location) {
+  locatable_locations(id, location)
+  or
+  locatable_locations(id.newGenericParamList(), location)
+}
diff --git a/rust/ql/test/extractor-tests/generated/.generated_tests.list b/rust/ql/test/extractor-tests/generated/.generated_tests.list
index 952b93b3339..2cfccde4c10 100644
--- a/rust/ql/test/extractor-tests/generated/.generated_tests.list
+++ b/rust/ql/test/extractor-tests/generated/.generated_tests.list
@@ -42,7 +42,7 @@ FieldExpr/gen_field_expr.rs 9a70500d592e0a071b03d974a55558b3bc0df531ff11bce5898f
 FnPtrTypeRepr/gen_fn_ptr_type_repr.rs c154ec0cc43236d133f6b946374f3063b89e5cbf9e96d9ee66877be4f948888e c154ec0cc43236d133f6b946374f3063b89e5cbf9e96d9ee66877be4f948888e
 ForBinder/gen_for_binder.rs e3c9e5ffd3f2a5a546af9ab6e2a2ed733baf9cf609e05850b70feb31478a0bae e3c9e5ffd3f2a5a546af9ab6e2a2ed733baf9cf609e05850b70feb31478a0bae
 ForExpr/gen_for_expr.rs 003dc36e3dc4db6e3a4accd410c316f14334ba5b3d5d675c851a91dcd5185122 003dc36e3dc4db6e3a4accd410c316f14334ba5b3d5d675c851a91dcd5185122
-ForTypeRepr/gen_for_type_repr.rs 86f2f11f399d8072add3d3109a186d82d95d141660b18986bce738b7e9ec81a2 86f2f11f399d8072add3d3109a186d82d95d141660b18986bce738b7e9ec81a2
+ForTypeRepr/gen_for_type_repr.rs d6dc10cdb4f505447805d24e83a24f876f2b6e6d8cdb193e786405f3ffbc7cda d6dc10cdb4f505447805d24e83a24f876f2b6e6d8cdb193e786405f3ffbc7cda
 FormatArgsExpr/gen_format.rs e9d8e7b98d0050ad6053c2459cb21faab00078e74245336a5962438336f76d33 e9d8e7b98d0050ad6053c2459cb21faab00078e74245336a5962438336f76d33
 FormatArgsExpr/gen_format_args_arg.rs 53ffd6abe4cd899c57d1973b31df0edc1d5eaa5835b19172ec4cda15bb3db28f 53ffd6abe4cd899c57d1973b31df0edc1d5eaa5835b19172ec4cda15bb3db28f
 FormatArgsExpr/gen_format_args_expr.rs 72c806ed163e9dcce2d0c5c8664d409b2aa635c1022c91959f9e8ae084f05bf2 72c806ed163e9dcce2d0c5c8664d409b2aa635c1022c91959f9e8ae084f05bf2
@@ -136,7 +136,7 @@ TupleStructPat/gen_tuple_struct_pat.rs 601ca8813272d15b4c8fd7402d0d28a42a62be828
 TupleTypeRepr/gen_tuple_type_repr.rs 64873a6a1cd5df6cd10165d7e9fa0399902b6bfbac086ef3a7ce83237b816879 64873a6a1cd5df6cd10165d7e9fa0399902b6bfbac086ef3a7ce83237b816879
 TypeAlias/gen_type_alias.rs da2b959f1a2a4f5471c231025404ca82a1bc79ac68adcda5a67292c428ad6143 da2b959f1a2a4f5471c231025404ca82a1bc79ac68adcda5a67292c428ad6143
 TypeArg/gen_type_arg.rs a0e455d7173b51330db63f1b7ac9c5d4263d33b3a115f97a8167d4dcc42469ff a0e455d7173b51330db63f1b7ac9c5d4263d33b3a115f97a8167d4dcc42469ff
-TypeBound/gen_type_bound.rs 7487ae3fd7c3a481efe96ce7894fc974b96276ecd78e0ccb141c698b5c6f5eaa 7487ae3fd7c3a481efe96ce7894fc974b96276ecd78e0ccb141c698b5c6f5eaa
+TypeBound/gen_type_bound.rs f7ed1dcfde0b9cae65580a990be6dc122be3e02f5771dd0f8f75b306bda1b29a f7ed1dcfde0b9cae65580a990be6dc122be3e02f5771dd0f8f75b306bda1b29a
 TypeBoundList/gen_type_bound_list.rs f61e80667385f6e8f51452a401d355b8939dbb1e1a7d3a506023639cb387bfbd f61e80667385f6e8f51452a401d355b8939dbb1e1a7d3a506023639cb387bfbd
 TypeParam/gen_type_param.rs 00b92ac7042ae83be1e37cd22f6d02098ca3157dc1ef45fbdf3b5f252ea6a8de 00b92ac7042ae83be1e37cd22f6d02098ca3157dc1ef45fbdf3b5f252ea6a8de
 UnderscoreExpr/gen_underscore_expr.rs fe34e99d322bf86c0f5509c9b5fd6e1e8abbdf63dbe7e01687344a41e9aabe52 fe34e99d322bf86c0f5509c9b5fd6e1e8abbdf63dbe7e01687344a41e9aabe52
@@ -149,7 +149,7 @@ Variant/gen_variant.rs fa3d3a9e3e0c3aa565b965fad9c3dc2ffd5a8d82963e3a55a9acbb0f1
 VariantList/gen_variant_list.rs a1faa4d59b072f139d14cb8a6d63a0ce8c473170d6320a07ce6bb9d517f8486d a1faa4d59b072f139d14cb8a6d63a0ce8c473170d6320a07ce6bb9d517f8486d
 Visibility/gen_visibility.rs cfa4b05fa7ba7c4ffa8f9c880b13792735e4f7e92a648f43110e914075e97a52 cfa4b05fa7ba7c4ffa8f9c880b13792735e4f7e92a648f43110e914075e97a52
 WhereClause/gen_where_clause.rs 22522c933be47f8f7f9d0caddfa41925c08df343c564baad2fe2daa14f1bfb1a 22522c933be47f8f7f9d0caddfa41925c08df343c564baad2fe2daa14f1bfb1a
-WherePred/gen_where_pred.rs dbc7bf0f246a04b42783f910c6f09841393f0e0a78f0a584891a99d0cf461619 dbc7bf0f246a04b42783f910c6f09841393f0e0a78f0a584891a99d0cf461619
+WherePred/gen_where_pred.rs 7036e34f1a1f77c5cf031f385be4583472ea4f99e8b4b4ec3c72a65c23e418bb 7036e34f1a1f77c5cf031f385be4583472ea4f99e8b4b4ec3c72a65c23e418bb
 WhileExpr/gen_while_expr.rs 97276c5946a36001638491c99a36170d22bc6011c5e59f621b37c7a2d7737879 97276c5946a36001638491c99a36170d22bc6011c5e59f621b37c7a2d7737879
 WildcardPat/gen_wildcard_pat.rs f1b175eeb3a0fc32bbcfb70a207be33dfde51a7d5198f72b8e08948f0d43e3dc f1b175eeb3a0fc32bbcfb70a207be33dfde51a7d5198f72b8e08948f0d43e3dc
 YeetExpr/gen_yeet_expr.rs c243b785a2cbd941bcec23dafc23ffbc64b93cf2843b6ede9783cdb81fed439d c243b785a2cbd941bcec23dafc23ffbc64b93cf2843b6ede9783cdb81fed439d
diff --git a/rust/ql/test/extractor-tests/generated/ForBinder/ForBinder.expected b/rust/ql/test/extractor-tests/generated/ForBinder/ForBinder.expected
index 3607f89a6dd..34274dddb8b 100644
--- a/rust/ql/test/extractor-tests/generated/ForBinder/ForBinder.expected
+++ b/rust/ql/test/extractor-tests/generated/ForBinder/ForBinder.expected
@@ -1,4 +1,4 @@
 instances
-| gen_for_binder.rs:7:21:7:43 | ForBinder |
+| gen_for_binder.rs:7:21:7:43 | for<...> |
 getGenericParamList
-| gen_for_binder.rs:7:21:7:43 | ForBinder | gen_for_binder.rs:7:24:7:43 | <...> |
+| gen_for_binder.rs:7:21:7:43 | for<...> | gen_for_binder.rs:7:24:7:43 | <...> |
diff --git a/rust/ql/test/extractor-tests/generated/ForTypeRepr/ForTypeRepr.expected b/rust/ql/test/extractor-tests/generated/ForTypeRepr/ForTypeRepr.expected
index 450d0b6c754..896894bcc06 100644
--- a/rust/ql/test/extractor-tests/generated/ForTypeRepr/ForTypeRepr.expected
+++ b/rust/ql/test/extractor-tests/generated/ForTypeRepr/ForTypeRepr.expected
@@ -1,3 +1,6 @@
 instances
+| gen_for_type_repr.rs:8:19:8:31 | ForTypeRepr |
 getForBinder
+| gen_for_type_repr.rs:8:19:8:31 | ForTypeRepr | gen_for_type_repr.rs:8:19:8:25 | for<...> |
 getTypeRepr
+| gen_for_type_repr.rs:8:19:8:31 | ForTypeRepr | gen_for_type_repr.rs:8:27:8:31 | usize |
diff --git a/rust/ql/test/extractor-tests/generated/ForTypeRepr/gen_for_type_repr.rs b/rust/ql/test/extractor-tests/generated/ForTypeRepr/gen_for_type_repr.rs
index 49cd9e5c1ab..448cd5f615f 100644
--- a/rust/ql/test/extractor-tests/generated/ForTypeRepr/gen_for_type_repr.rs
+++ b/rust/ql/test/extractor-tests/generated/ForTypeRepr/gen_for_type_repr.rs
@@ -1,14 +1,10 @@
 // generated by codegen, do not edit
 
 fn test_for_type_repr() -> () {
-    // A higher-ranked trait bound.
+    // A type with a higher-ranked `for` modifier. This is currently not valid Rust syntax (`for<...>` can
+    // only be applied to traits to form a `TypeBound`).
     // 
     // For example:
-    fn foo<T>(value: T)
-    where
-        T: for<'a> Fn(&'a str) -> &'a str
-    //     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-    {
-        // ...
-    }
+    fn foo(value: for<'a> usize) {}  // DOESN'T COMPILE
+    //            ^^^^^^^^^^^^^
 }
diff --git a/rust/ql/test/extractor-tests/generated/TypeBound/TypeBound.expected b/rust/ql/test/extractor-tests/generated/TypeBound/TypeBound.expected
index f294d646676..f987837ffe3 100644
--- a/rust/ql/test/extractor-tests/generated/TypeBound/TypeBound.expected
+++ b/rust/ql/test/extractor-tests/generated/TypeBound/TypeBound.expected
@@ -1,7 +1,10 @@
 instances
 | gen_type_bound.rs:7:15:7:19 | TypeBound | isAsync: | no | isConst: | no |
+| gen_type_bound.rs:9:24:9:44 | TypeBound | isAsync: | no | isConst: | no |
 getForBinder
+| gen_type_bound.rs:9:24:9:44 | TypeBound | gen_type_bound.rs:9:24:9:30 | for<...> |
 getLifetime
 getTypeRepr
 | gen_type_bound.rs:7:15:7:19 | TypeBound | gen_type_bound.rs:7:15:7:19 | Debug |
+| gen_type_bound.rs:9:24:9:44 | TypeBound | gen_type_bound.rs:9:32:9:44 | From::<...> |
 getUseBoundGenericArgs
diff --git a/rust/ql/test/extractor-tests/generated/TypeBound/gen_type_bound.rs b/rust/ql/test/extractor-tests/generated/TypeBound/gen_type_bound.rs
index 9e182cbeefc..7b4c9e4f423 100644
--- a/rust/ql/test/extractor-tests/generated/TypeBound/gen_type_bound.rs
+++ b/rust/ql/test/extractor-tests/generated/TypeBound/gen_type_bound.rs
@@ -6,4 +6,6 @@ fn test_type_bound() -> () {
     // For example:
     fn foo<T: Debug>(t: T) {}
     //        ^^^^^
+    fn bar(value: impl for<'a> From<&'a str>) {}
+    //                 ^^^^^^^^^^^^^^^^^^^^^
 }
diff --git a/rust/ql/test/extractor-tests/generated/WherePred/gen_where_pred.rs b/rust/ql/test/extractor-tests/generated/WherePred/gen_where_pred.rs
index 48a6b7bf256..8e037453bf7 100644
--- a/rust/ql/test/extractor-tests/generated/WherePred/gen_where_pred.rs
+++ b/rust/ql/test/extractor-tests/generated/WherePred/gen_where_pred.rs
@@ -6,4 +6,6 @@ fn test_where_pred() -> () {
     // For example:
     fn foo<T, U>(t: T, u: U) where T: Debug, U: Clone {}
     //                             ^^^^^^^^  ^^^^^^^^
+    fn bar<T>(value: T) where for<'a> T: From<&'a str> {}
+    //                        ^^^^^^^^^^^^^^^^^^^^^^^^
 }
diff --git a/rust/schema/annotations.py b/rust/schema/annotations.py
index 3c17ec99756..6b7cb3f4f76 100644
--- a/rust/schema/annotations.py
+++ b/rust/schema/annotations.py
@@ -1158,21 +1158,16 @@ class _:
 @annotate(ForTypeRepr)
 class _:
     """
-    A higher-ranked trait bound.
+    A type with a higher-ranked `for` modifier. This is currently not valid Rust syntax (`for<...>` can
+    only be applied to traits to form a `TypeBound`).
 
     For example:
     ```rust
-    fn foo<T>(value: T)
-    where
-        T: for<'a> Fn(&'a str) -> &'a str
-    //     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-    {
-        // ...
-    }
+    fn foo(value: for<'a> usize) {}  // DOESN'T COMPILE
+    //            ^^^^^^^^^^^^^
     ```
     """
 
-
 @annotate(FormatArgsArg, cfg=True)
 @qltest.test_with(FormatArgsExpr)
 class _:
@@ -1987,6 +1982,8 @@ class _:
     ```rust
     fn foo<T: Debug>(t: T) {}
     //        ^^^^^
+    fn bar(value: impl for<'a> From<&'a str>) {}
+    //                 ^^^^^^^^^^^^^^^^^^^^^
     ```
     """
 
@@ -2126,6 +2123,8 @@ class _:
     ```rust
     fn foo<T, U>(t: T, u: U) where T: Debug, U: Clone {}
     //                             ^^^^^^^^  ^^^^^^^^
+    fn bar<T>(value: T) where for<'a> T: From<&'a str> {}
+    //                        ^^^^^^^^^^^^^^^^^^^^^^^^
     ```
     """