pkg_resources: don't ignore "missing symbol from stub" in stubtest

stubs/setuptools/@tests/stubtest_allowlist.txt

@@ -44,8 +44,3 @@ setuptools._distutils.*
 # Other vendored code
 setuptools._vendor.*
 pkg_resources._vendor.*
-# Deprecated in favor of importlib.resources, importlib.metadata and their backports
-# So like distutils, we only add what we need to reference.
-pkg_resources.AvailableDistributions
-pkg_resources.ResourceManager
-pkg_resources.extern

stubs/setuptools/pkg_resources/__init__.pyi

@@ -6,7 +6,7 @@ from abc import ABCMeta
 from collections.abc import Callable, Generator, Iterable, Iterator, Sequence
 from io import BytesIO
 from re import Pattern
-from typing import IO, Any, ClassVar, Literal, Protocol, TypeVar, overload, type_check_only
+from typing import IO, Any, ClassVar, Literal, Protocol, TypeVar, overload
 from typing_extensions import Self, TypeAlias
 
 from ._vendored_packaging import requirements as packaging_requirements, version as packaging_version
@@ -80,6 +80,8 @@ class Environment:
     def __iadd__(self, other: Distribution | Environment) -> Self: ...
     def __add__(self, other: Distribution | Environment) -> Environment: ...
 
+AvailableDistributions = Environment
+
 def parse_requirements(strs: str | Iterable[str]) -> Generator[Requirement, None, None]: ...
 
 class RequirementParseError(packaging_requirements.InvalidRequirement): ...
@@ -142,19 +144,21 @@ SOURCE_DIST: int
 CHECKOUT_DIST: int
 DEVELOP_DIST: int
 
-@type_check_only
-class _IResourceManager(Protocol):
+class ResourceManager:
+    extraction_path: Incomplete
+    cached_files: Incomplete
+    def __init__(self) -> None: ...
     def resource_exists(self, package_or_requirement: _PkgReqType, resource_name: str) -> bool: ...
     def resource_isdir(self, package_or_requirement: _PkgReqType, resource_name: str) -> bool: ...
     def resource_filename(self, package_or_requirement: _PkgReqType, resource_name: str) -> str: ...
     def resource_stream(self, package_or_requirement: _PkgReqType, resource_name: str) -> IO[bytes]: ...
     def resource_string(self, package_or_requirement: _PkgReqType, resource_name: str) -> bytes: ...
     def resource_listdir(self, package_or_requirement: _PkgReqType, resource_name: str) -> list[str]: ...
     def extraction_error(self) -> None: ...
-    def get_cache_path(self, archive_name: str, names: Iterable[str] = ...) -> str: ...
+    def get_cache_path(self, archive_name: str, names: Iterable[str] = ()) -> str: ...
     def postprocess(self, tempname: str, filename: str) -> None: ...
     def set_extraction_path(self, path: str) -> None: ...
-    def cleanup_resources(self, force: bool = ...) -> list[str]: ...
+    def cleanup_resources(self, force: bool = False) -> list[str]: ...
 
 def resource_exists(package_or_requirement: _PkgReqType, resource_name: str) -> bool: ...
 def resource_isdir(package_or_requirement: _PkgReqType, resource_name: str) -> bool: ...
@@ -203,7 +207,7 @@ class ContextualVersionConflict(VersionConflict):
 class UnknownExtra(ResolutionError): ...
 
 class ExtractionError(Exception):
-    manager: _IResourceManager
+    manager: ResourceManager
     cache_path: str
     original_error: Exception
 
@@ -214,9 +218,9 @@ def register_loader_type(loader_type: type, provider_factory: Callable[[types.Mo
 def register_namespace_handler(importer_type: type, namespace_handler: _NSHandlerType) -> None: ...
 
 class IResourceProvider(IMetadataProvider, Protocol):
-    def get_resource_filename(self, manager: _IResourceManager, resource_name): ...
-    def get_resource_stream(self, manager: _IResourceManager, resource_name): ...
-    def get_resource_string(self, manager: _IResourceManager, resource_name): ...
+    def get_resource_filename(self, manager: ResourceManager, resource_name): ...
+    def get_resource_stream(self, manager: ResourceManager, resource_name): ...
+    def get_resource_string(self, manager: ResourceManager, resource_name): ...
     def has_resource(self, resource_name): ...
     def resource_isdir(self, resource_name): ...
     def resource_listdir(self, resource_name): ...
@@ -231,9 +235,9 @@ class NullProvider:
     module_path: str | None
 
     def __init__(self, module) -> None: ...
-    def get_resource_filename(self, manager: _IResourceManager, resource_name) -> str: ...
-    def get_resource_stream(self, manager: _IResourceManager, resource_name) -> BytesIO: ...
-    def get_resource_string(self, manager: _IResourceManager, resource_name): ...
+    def get_resource_filename(self, manager: ResourceManager, resource_name) -> str: ...
+    def get_resource_stream(self, manager: ResourceManager, resource_name) -> BytesIO: ...
+    def get_resource_string(self, manager: ResourceManager, resource_name): ...
     def has_resource(self, resource_name) -> bool: ...
     def has_metadata(self, name: str) -> bool | None: ...
     def get_metadata(self, name: str) -> str: ...

stubs/setuptools/pkg_resources/extern/__init__.pyi

@@ -0,0 +1,17 @@
+from _typeshed import Incomplete
+from collections.abc import Generator
+
+class VendorImporter:
+    root_name: Incomplete
+    vendored_names: Incomplete
+    vendor_pkg: Incomplete
+    def __init__(self, root_name, vendored_names=(), vendor_pkg: Incomplete | None = None) -> None: ...
+    @property
+    def search_path(self) -> Generator[Incomplete, None, None]: ...
+    def load_module(self, fullname): ...
+    def create_module(self, spec): ...
+    def exec_module(self, module) -> None: ...
+    def find_spec(self, fullname, path: Incomplete | None = None, target: Incomplete | None = None): ...
+    def install(self) -> None: ...
+
+names: Incomplete