From f256cae9e444e4b5b90771e8272240f8fc4a0160 Mon Sep 17 00:00:00 2001
From: Sergei Lebedev <slebedev@google.com>
Date: Tue, 24 Mar 2026 08:40:42 -0700
Subject: [PATCH] Fixed a few overload definitions in absl.flags

`Literal[True]` cannot have a default value, because the implementation uses
`required=False` as the default.

PiperOrigin-RevId: 888686172
---
 absl/flags/_defines.py | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/absl/flags/_defines.py b/absl/flags/_defines.py
index 595918a..17b70a0 100644
--- a/absl/flags/_defines.py
+++ b/absl/flags/_defines.py
@@ -65,8 +65,9 @@ def DEFINE(  # pylint: disable=invalid-name
     flag_values: _flagvalues.FlagValues = ...,
     serializer: _argument_parser.ArgumentSerializer[_T] | None = ...,
     module_name: str | None = ...,
-    required: Literal[True] = ...,
-    **args: Any
+    *,
+    required: Literal[True],
+    **args: Any,
 ) -> _flagvalues.FlagHolder[_T]:
   ...
 
@@ -135,7 +136,8 @@ def DEFINE_flag(  # pylint: disable=invalid-name
     flag: _flag.Flag[_T],
     flag_values: _flagvalues.FlagValues = ...,
     module_name: str | None = ...,
-    required: Literal[True] = ...,
+    *,
+    required: Literal[True],
 ) -> _flagvalues.FlagHolder[_T]:
   ...