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diff --git a/absl/random/distribution_format_traits.h b/absl/random/distribution_format_traits.h
deleted file mode 100644
index 22b358cc..00000000
--- a/absl/random/distribution_format_traits.h
+++ /dev/null
@@ -1,278 +0,0 @@
-//
-// Copyright 2018 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_DISTRIBUTION_FORMAT_TRAITS_H_
-#define ABSL_RANDOM_DISTRIBUTION_FORMAT_TRAITS_H_
-
-#include <string>
-#include <tuple>
-#include <typeinfo>
-
-#include "absl/meta/type_traits.h"
-#include "absl/random/bernoulli_distribution.h"
-#include "absl/random/beta_distribution.h"
-#include "absl/random/exponential_distribution.h"
-#include "absl/random/gaussian_distribution.h"
-#include "absl/random/log_uniform_int_distribution.h"
-#include "absl/random/poisson_distribution.h"
-#include "absl/random/uniform_int_distribution.h"
-#include "absl/random/uniform_real_distribution.h"
-#include "absl/random/zipf_distribution.h"
-#include "absl/strings/str_cat.h"
-#include "absl/strings/str_join.h"
-#include "absl/strings/string_view.h"
-#include "absl/types/span.h"
-
-namespace absl {
-ABSL_NAMESPACE_BEGIN
-
-struct IntervalClosedClosedTag;
-struct IntervalClosedOpenTag;
-struct IntervalOpenClosedTag;
-struct IntervalOpenOpenTag;
-
-namespace random_internal {
-
-// ScalarTypeName defines a preferred hierarchy of preferred type names for
-// scalars, and is evaluated at compile time for the specific type
-// specialization.
-template <typename T>
-constexpr const char* ScalarTypeName() {
-  static_assert(std::is_integral<T>() || std::is_floating_point<T>(), "");
-  // clang-format off
-    return
-        std::is_same<T, float>::value ? "float" :
-        std::is_same<T, double>::value ? "double" :
-        std::is_same<T, long double>::value ? "long double" :
-        std::is_same<T, bool>::value ? "bool" :
-        std::is_signed<T>::value && sizeof(T) == 1 ? "int8_t" :
-        std::is_signed<T>::value && sizeof(T) == 2 ? "int16_t" :
-        std::is_signed<T>::value && sizeof(T) == 4 ? "int32_t" :
-        std::is_signed<T>::value && sizeof(T) == 8 ? "int64_t" :
-        std::is_unsigned<T>::value && sizeof(T) == 1 ? "uint8_t" :
-        std::is_unsigned<T>::value && sizeof(T) == 2 ? "uint16_t" :
-        std::is_unsigned<T>::value && sizeof(T) == 4 ? "uint32_t" :
-        std::is_unsigned<T>::value && sizeof(T) == 8 ? "uint64_t" :
-            "undefined";
-  // clang-format on
-
-  // NOTE: It would be nice to use typeid(T).name(), but that's an
-  // implementation-defined attribute which does not necessarily
-  // correspond to a name. We could potentially demangle it
-  // using, e.g. abi::__cxa_demangle.
-}
-
-// Distribution traits used by DistributionCaller and internal implementation
-// details of the mocking framework.
-/*
-struct DistributionFormatTraits {
-   // Returns the parameterized name of the distribution function.
-   static constexpr const char* FunctionName()
-   // Format DistrT parameters.
-   static std::string FormatArgs(DistrT& dist);
-   // Format DistrT::result_type results.
-   static std::string FormatResults(DistrT& dist);
-};
-*/
-template <typename DistrT>
-struct DistributionFormatTraits;
-
-template <typename R>
-struct DistributionFormatTraits<absl::uniform_int_distribution<R>> {
-  using distribution_t = absl::uniform_int_distribution<R>;
-  using result_t = typename distribution_t::result_type;
-
-  static constexpr const char* Name() { return "Uniform"; }
-
-  static std::string FunctionName() {
-    return absl::StrCat(Name(), "<", ScalarTypeName<R>(), ">");
-  }
-  static std::string FormatArgs(const distribution_t& d) {
-    return absl::StrCat("absl::IntervalClosedClosed, ", (d.min)(), ", ",
-                        (d.max)());
-  }
-  static std::string FormatResults(absl::Span<const result_t> results) {
-    return absl::StrJoin(results, ", ");
-  }
-};
-
-template <typename R>
-struct DistributionFormatTraits<absl::uniform_real_distribution<R>> {
-  using distribution_t = absl::uniform_real_distribution<R>;
-  using result_t = typename distribution_t::result_type;
-
-  static constexpr const char* Name() { return "Uniform"; }
-
-  static std::string FunctionName() {
-    return absl::StrCat(Name(), "<", ScalarTypeName<R>(), ">");
-  }
-  static std::string FormatArgs(const distribution_t& d) {
-    return absl::StrCat((d.min)(), ", ", (d.max)());
-  }
-  static std::string FormatResults(absl::Span<const result_t> results) {
-    return absl::StrJoin(results, ", ");
-  }
-};
-
-template <typename R>
-struct DistributionFormatTraits<absl::exponential_distribution<R>> {
-  using distribution_t = absl::exponential_distribution<R>;
-  using result_t = typename distribution_t::result_type;
-
-  static constexpr const char* Name() { return "Exponential"; }
-
-  static std::string FunctionName() {
-    return absl::StrCat(Name(), "<", ScalarTypeName<R>(), ">");
-  }
-  static std::string FormatArgs(const distribution_t& d) {
-    return absl::StrCat(d.lambda());
-  }
-  static std::string FormatResults(absl::Span<const result_t> results) {
-    return absl::StrJoin(results, ", ");
-  }
-};
-
-template <typename R>
-struct DistributionFormatTraits<absl::poisson_distribution<R>> {
-  using distribution_t = absl::poisson_distribution<R>;
-  using result_t = typename distribution_t::result_type;
-
-  static constexpr const char* Name() { return "Poisson"; }
-
-  static std::string FunctionName() {
-    return absl::StrCat(Name(), "<", ScalarTypeName<R>(), ">");
-  }
-  static std::string FormatArgs(const distribution_t& d) {
-    return absl::StrCat(d.mean());
-  }
-  static std::string FormatResults(absl::Span<const result_t> results) {
-    return absl::StrJoin(results, ", ");
-  }
-};
-
-template <>
-struct DistributionFormatTraits<absl::bernoulli_distribution> {
-  using distribution_t = absl::bernoulli_distribution;
-  using result_t = typename distribution_t::result_type;
-
-  static constexpr const char* Name() { return "Bernoulli"; }
-
-  static constexpr const char* FunctionName() { return Name(); }
-  static std::string FormatArgs(const distribution_t& d) {
-    return absl::StrCat(d.p());
-  }
-  static std::string FormatResults(absl::Span<const result_t> results) {
-    return absl::StrJoin(results, ", ");
-  }
-};
-
-template <typename R>
-struct DistributionFormatTraits<absl::beta_distribution<R>> {
-  using distribution_t = absl::beta_distribution<R>;
-  using result_t = typename distribution_t::result_type;
-
-  static constexpr const char* Name() { return "Beta"; }
-
-  static std::string FunctionName() {
-    return absl::StrCat(Name(), "<", ScalarTypeName<R>(), ">");
-  }
-  static std::string FormatArgs(const distribution_t& d) {
-    return absl::StrCat(d.alpha(), ", ", d.beta());
-  }
-  static std::string FormatResults(absl::Span<const result_t> results) {
-    return absl::StrJoin(results, ", ");
-  }
-};
-
-template <typename R>
-struct DistributionFormatTraits<absl::zipf_distribution<R>> {
-  using distribution_t = absl::zipf_distribution<R>;
-  using result_t = typename distribution_t::result_type;
-
-  static constexpr const char* Name() { return "Zipf"; }
-
-  static std::string FunctionName() {
-    return absl::StrCat(Name(), "<", ScalarTypeName<R>(), ">");
-  }
-  static std::string FormatArgs(const distribution_t& d) {
-    return absl::StrCat(d.k(), ", ", d.v(), ", ", d.q());
-  }
-  static std::string FormatResults(absl::Span<const result_t> results) {
-    return absl::StrJoin(results, ", ");
-  }
-};
-
-template <typename R>
-struct DistributionFormatTraits<absl::gaussian_distribution<R>> {
-  using distribution_t = absl::gaussian_distribution<R>;
-  using result_t = typename distribution_t::result_type;
-
-  static constexpr const char* Name() { return "Gaussian"; }
-
-  static std::string FunctionName() {
-    return absl::StrCat(Name(), "<", ScalarTypeName<R>(), ">");
-  }
-  static std::string FormatArgs(const distribution_t& d) {
-    return absl::StrJoin(std::make_tuple(d.mean(), d.stddev()), ", ");
-  }
-  static std::string FormatResults(absl::Span<const result_t> results) {
-    return absl::StrJoin(results, ", ");
-  }
-};
-
-template <typename R>
-struct DistributionFormatTraits<absl::log_uniform_int_distribution<R>> {
-  using distribution_t = absl::log_uniform_int_distribution<R>;
-  using result_t = typename distribution_t::result_type;
-
-  static constexpr const char* Name() { return "LogUniform"; }
-
-  static std::string FunctionName() {
-    return absl::StrCat(Name(), "<", ScalarTypeName<R>(), ">");
-  }
-  static std::string FormatArgs(const distribution_t& d) {
-    return absl::StrJoin(std::make_tuple((d.min)(), (d.max)(), d.base()), ", ");
-  }
-  static std::string FormatResults(absl::Span<const result_t> results) {
-    return absl::StrJoin(results, ", ");
-  }
-};
-
-template <typename NumType>
-struct UniformDistributionWrapper;
-
-template <typename NumType>
-struct DistributionFormatTraits<UniformDistributionWrapper<NumType>> {
-  using distribution_t = UniformDistributionWrapper<NumType>;
-  using result_t = NumType;
-
-  static constexpr const char* Name() { return "Uniform"; }
-
-  static std::string FunctionName() {
-    return absl::StrCat(Name(), "<", ScalarTypeName<NumType>(), ">");
-  }
-  static std::string FormatArgs(const distribution_t& d) {
-    return absl::StrCat((d.min)(), ", ", (d.max)());
-  }
-  static std::string FormatResults(absl::Span<const result_t> results) {
-    return absl::StrJoin(results, ", ");
-  }
-};
-
-}  // namespace random_internal
-ABSL_NAMESPACE_END
-}  // namespace absl
-
-#endif  // ABSL_RANDOM_DISTRIBUTION_FORMAT_TRAITS_H_