initial commit

django/db/models/fields/related_descriptors.pyi

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+from django.core.exceptions import ObjectDoesNotExist
+from django.db.models.base import Model
+from django.db.models.fields.related import ForeignObject
+from django.db.models.fields.reverse_related import (
+    ForeignObjectRel,
+    ManyToManyRel,
+    OneToOneRel,
+)
+from django.db.models.query import QuerySet
+from typing import (
+    Any,
+    Callable,
+    Optional,
+    Tuple,
+    Type,
+)
+
+
+class ForwardManyToOneDescriptor:
+    @cached_property
+    def RelatedObjectDoesNotExist(self) -> Type[ObjectDoesNotExist]: ...
+    def __get__(self, instance: Any, cls: Any = ...) -> Any: ...
+    def __init__(self, field_with_rel: ForeignObject) -> None: ...
+    def __set__(self, instance: Model, value: Any) -> None: ...
+    def get_object(self, instance: Model) -> Model: ...
+    def get_prefetch_queryset(
+        self,
+        instances: Any,
+        queryset: Optional[QuerySet] = ...
+    ) -> Tuple[QuerySet, Callable, Callable, bool, str, bool]: ...
+    def get_queryset(self, **hints) -> QuerySet: ...
+    def is_cached(self, instance: Model) -> bool: ...
+
+
+class ForwardOneToOneDescriptor:
+    def __set__(self, instance: Model, value: Any) -> None: ...
+    def get_object(self, instance: Model) -> Model: ...
+
+
+class ManyToManyDescriptor:
+    def __init__(self, rel: ManyToManyRel, reverse: bool = ...) -> None: ...
+
+
+class ReverseManyToOneDescriptor:
+    def __get__(
+        self,
+        instance: Optional[Model],
+        cls: Any = ...
+    ) -> ReverseManyToOneDescriptor: ...
+    def __init__(self, rel: ForeignObjectRel) -> None: ...
+    def _get_set_deprecation_msg_params(self) -> Tuple[str, str]: ...
+
+
+class ReverseOneToOneDescriptor:
+    @cached_property
+    def RelatedObjectDoesNotExist(self) -> Type[ObjectDoesNotExist]: ...
+    def __get__(self, instance: Any, cls: Any = ...) -> Any: ...
+    def __init__(self, related: OneToOneRel) -> None: ...
+    def __set__(self, instance: Model, value: Optional[Model]) -> None: ...
+    def get_queryset(self, **hints) -> QuerySet: ...
+    def is_cached(self, instance: Model) -> bool: ...