Swift: rename base_types to syntactic_base_types in TypeDecl

swift/schema.py

@@ -261,7 +261,10 @@ class PrefixOperatorDecl(OperatorDecl):
 
 class TypeDecl(ValueDecl):
     name: string
-    base_types: list[Type]
+    inherited_types: list[Type] | desc("""
+        This only returns the types effectively appearing in the declaration. In particular it
+        will not resolve `TypeAliasDecl`s or consider base types added by extensions.
+    """)
 
 class AbstractTypeParamDecl(TypeDecl):
     pass