From 17a43718033404e53c12807b86ce2dac58d3dd62 Mon Sep 17 00:00:00 2001
From: Jakub Stasiak <jakub@stasiak.at>
Date: Thu, 6 Feb 2020 21:34:21 +0100
Subject: [PATCH] Document Annotated and modified get_type_hints (PEP 593)
 (#3731)

---
 stdlib/3/typing.pyi | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/stdlib/3/typing.pyi b/stdlib/3/typing.pyi
index 6fb66ad5f..b6a0bb39d 100644
--- a/stdlib/3/typing.pyi
+++ b/stdlib/3/typing.pyi
@@ -74,6 +74,9 @@ ChainMap = TypeAlias(object)
 if sys.version_info >= (3, 7):
     OrderedDict = TypeAlias(object)
 
+if sys.version_info >= (3, 9):
+    Annotated: _SpecialForm = ...
+
 # Predefined type variables.
 AnyStr = TypeVar('AnyStr', str, bytes)
 
@@ -599,9 +602,15 @@ class Pattern(Generic[AnyStr]):
 
 # Functions
 
-def get_type_hints(
-    obj: Callable[..., Any], globalns: Optional[Dict[str, Any]] = ..., localns: Optional[Dict[str, Any]] = ...,
-) -> Dict[str, Any]: ...
+if sys.version_info >= (3, 9):
+    def get_type_hints(
+        obj: Callable[..., Any], globalns: Optional[Dict[str, Any]] = ..., localns: Optional[Dict[str, Any]] = ...,
+        include_extras: bool = ...
+    ) -> Dict[str, Any]: ...
+else:
+    def get_type_hints(
+        obj: Callable[..., Any], globalns: Optional[Dict[str, Any]] = ..., localns: Optional[Dict[str, Any]] = ...,
+    ) -> Dict[str, Any]: ...
 if sys.version_info >= (3, 8):
     def get_origin(tp: Any) -> Optional[Any]: ...
     def get_args(tp: Any) -> Tuple[Any, ...]: ...