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-// Copyright 2017 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_RANDEN_HWAES_H_
-#define ABSL_RANDOM_INTERNAL_RANDEN_HWAES_H_
-
-#include "absl/base/config.h"
-
-// HERMETIC NOTE: The randen_hwaes target must not introduce duplicate
-// symbols from arbitrary system and other headers, since it may be built
-// with different flags from other targets, using different levels of
-// optimization, potentially introducing ODR violations.
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-namespace random_internal {
-
-// RANDen = RANDom generator or beetroots in Swiss German.
-// 'Strong' (well-distributed, unpredictable, backtracking-resistant) random
-// generator, faster in some benchmarks than std::mt19937_64 and pcg64_c32.
-//
-// RandenHwAes implements the basic state manipulation methods.
-class RandenHwAes {
- public:
-  static void Generate(const void* keys, void* state_void);
-  static void Absorb(const void* seed_void, void* state_void);
-  static const void* GetKeys();
-};
-
-// HasRandenHwAesImplementation returns true when there is an accelerated
-// implementation, and false otherwise.  If there is no implementation,
-// then attempting to use it will abort the program.
-bool HasRandenHwAesImplementation();
-
-}  // namespace random_internal
-ABSL_NAMESPACE_END
-}  // namespace absl
-
-#endif  // ABSL_RANDOM_INTERNAL_RANDEN_HWAES_H_