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diff --git a/third_party/abseil_cpp/absl/random/internal/mock_overload_set.h b/third_party/abseil_cpp/absl/random/internal/mock_overload_set.h
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--- a/third_party/abseil_cpp/absl/random/internal/mock_overload_set.h
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-//
-// Copyright 2019 The Abseil Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      https://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#ifndef ABSL_RANDOM_INTERNAL_MOCK_OVERLOAD_SET_H_
-#define ABSL_RANDOM_INTERNAL_MOCK_OVERLOAD_SET_H_
-
-#include <type_traits>
-
-#include "gmock/gmock.h"
-#include "gtest/gtest.h"
-#include "absl/random/internal/mock_helpers.h"
-#include "absl/random/mocking_bit_gen.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-namespace random_internal {
-
-template <typename DistrT, typename Fn>
-struct MockSingleOverload;
-
-// MockSingleOverload
-//
-// MockSingleOverload hooks in to gMock's `ON_CALL` and `EXPECT_CALL` macros.
-// EXPECT_CALL(mock_single_overload, Call(...))` will expand to a call to
-// `mock_single_overload.gmock_Call(...)`. Because expectations are stored on
-// the MockingBitGen (an argument passed inside `Call(...)`), this forwards to
-// arguments to MockingBitGen::Register.
-//
-// The underlying KeyT must match the KeyT constructed by DistributionCaller.
-template <typename DistrT, typename Ret, typename... Args>
-struct MockSingleOverload<DistrT, Ret(MockingBitGen&, Args...)> {
-  static_assert(std::is_same<typename DistrT::result_type, Ret>::value,
-                "Overload signature must have return type matching the "
-                "distribution result_type.");
-  using KeyT = Ret(DistrT, std::tuple<Args...>);
-  auto gmock_Call(
-      absl::MockingBitGen& gen,  // NOLINT(google-runtime-references)
-      const ::testing::Matcher<Args>&... matchers)
-      -> decltype(MockHelpers::MockFor<KeyT>(gen).gmock_Call(matchers...)) {
-    return MockHelpers::MockFor<KeyT>(gen).gmock_Call(matchers...);
-  }
-};
-
-template <typename DistrT, typename Ret, typename Arg, typename... Args>
-struct MockSingleOverload<DistrT, Ret(Arg, MockingBitGen&, Args...)> {
-  static_assert(std::is_same<typename DistrT::result_type, Ret>::value,
-                "Overload signature must have return type matching the "
-                "distribution result_type.");
-  using KeyT = Ret(DistrT, std::tuple<Arg, Args...>);
-  auto gmock_Call(
-      const ::testing::Matcher<Arg>& matcher,
-      absl::MockingBitGen& gen,  // NOLINT(google-runtime-references)
-      const ::testing::Matcher<Args>&... matchers)
-      -> decltype(MockHelpers::MockFor<KeyT>(gen).gmock_Call(matcher,
-                                                             matchers...)) {
-    return MockHelpers::MockFor<KeyT>(gen).gmock_Call(matcher, matchers...);
-  }
-};
-
-// MockOverloadSet
-//
-// MockOverloadSet takes a distribution and a collection of signatures and
-// performs overload resolution amongst all the overloads. This makes
-// `EXPECT_CALL(mock_overload_set, Call(...))` expand and do overload resolution
-// correctly.
-template <typename DistrT, typename... Signatures>
-struct MockOverloadSet;
-
-template <typename DistrT, typename Sig>
-struct MockOverloadSet<DistrT, Sig> : public MockSingleOverload<DistrT, Sig> {
-  using MockSingleOverload<DistrT, Sig>::gmock_Call;
-};
-
-template <typename DistrT, typename FirstSig, typename... Rest>
-struct MockOverloadSet<DistrT, FirstSig, Rest...>
-    : public MockSingleOverload<DistrT, FirstSig>,
-      public MockOverloadSet<DistrT, Rest...> {
-  using MockSingleOverload<DistrT, FirstSig>::gmock_Call;
-  using MockOverloadSet<DistrT, Rest...>::gmock_Call;
-};
-
-}  // namespace random_internal
-ABSL_NAMESPACE_END
-}  // namespace absl
-#endif  // ABSL_RANDOM_INTERNAL_MOCK_OVERLOAD_SET_H_