Add 'third_party/abseil_cpp/' from commit '768eb2ca28'
git-subtree-dir: third_party/abseil_cpp git-subtree-mainline:ffb2ae54begit-subtree-split:768eb2ca28
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Vincent Ambo
commit
fc8dc48020
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205
third_party/abseil_cpp/absl/flags/usage_config_test.cc
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third_party/abseil_cpp/absl/flags/usage_config_test.cc
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//
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// Copyright 2019 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "absl/flags/usage_config.h"
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#include <string>
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#include "gtest/gtest.h"
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#include "absl/flags/internal/path_util.h"
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#include "absl/flags/internal/program_name.h"
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#include "absl/strings/match.h"
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#include "absl/strings/string_view.h"
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namespace {
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class FlagsUsageConfigTest : public testing::Test {
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protected:
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void SetUp() override {
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// Install Default config for the use on this unit test.
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// Binary may install a custom config before tests are run.
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absl::FlagsUsageConfig default_config;
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absl::SetFlagsUsageConfig(default_config);
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}
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};
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namespace flags = absl::flags_internal;
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bool TstContainsHelpshortFlags(absl::string_view f) {
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return absl::StartsWith(flags::Basename(f), "progname.");
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}
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bool TstContainsHelppackageFlags(absl::string_view f) {
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return absl::EndsWith(flags::Package(f), "aaa/");
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}
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bool TstContainsHelpFlags(absl::string_view f) {
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return absl::EndsWith(flags::Package(f), "zzz/");
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}
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std::string TstVersionString() { return "program 1.0.0"; }
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std::string TstNormalizeFilename(absl::string_view filename) {
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return std::string(filename.substr(2));
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}
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void TstReportUsageMessage(absl::string_view msg) {}
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// --------------------------------------------------------------------
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TEST_F(FlagsUsageConfigTest, TestGetSetFlagsUsageConfig) {
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EXPECT_TRUE(flags::GetUsageConfig().contains_helpshort_flags);
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EXPECT_TRUE(flags::GetUsageConfig().contains_help_flags);
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EXPECT_TRUE(flags::GetUsageConfig().contains_helppackage_flags);
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EXPECT_TRUE(flags::GetUsageConfig().version_string);
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EXPECT_TRUE(flags::GetUsageConfig().normalize_filename);
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absl::FlagsUsageConfig empty_config;
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empty_config.contains_helpshort_flags = &TstContainsHelpshortFlags;
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empty_config.contains_help_flags = &TstContainsHelpFlags;
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empty_config.contains_helppackage_flags = &TstContainsHelppackageFlags;
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empty_config.version_string = &TstVersionString;
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empty_config.normalize_filename = &TstNormalizeFilename;
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absl::SetFlagsUsageConfig(empty_config);
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EXPECT_TRUE(flags::GetUsageConfig().contains_helpshort_flags);
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EXPECT_TRUE(flags::GetUsageConfig().contains_help_flags);
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EXPECT_TRUE(flags::GetUsageConfig().contains_helppackage_flags);
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EXPECT_TRUE(flags::GetUsageConfig().version_string);
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EXPECT_TRUE(flags::GetUsageConfig().normalize_filename);
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}
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// --------------------------------------------------------------------
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TEST_F(FlagsUsageConfigTest, TestContainsHelpshortFlags) {
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#if defined(_WIN32)
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flags::SetProgramInvocationName("usage_config_test.exe");
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#else
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flags::SetProgramInvocationName("usage_config_test");
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#endif
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auto config = flags::GetUsageConfig();
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EXPECT_TRUE(config.contains_helpshort_flags("adir/cd/usage_config_test.cc"));
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EXPECT_TRUE(
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config.contains_helpshort_flags("aaaa/usage_config_test-main.cc"));
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EXPECT_TRUE(config.contains_helpshort_flags("abc/usage_config_test_main.cc"));
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EXPECT_FALSE(config.contains_helpshort_flags("usage_config_main.cc"));
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absl::FlagsUsageConfig empty_config;
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empty_config.contains_helpshort_flags = &TstContainsHelpshortFlags;
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absl::SetFlagsUsageConfig(empty_config);
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EXPECT_TRUE(
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flags::GetUsageConfig().contains_helpshort_flags("aaa/progname.cpp"));
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EXPECT_FALSE(
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flags::GetUsageConfig().contains_helpshort_flags("aaa/progmane.cpp"));
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}
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// --------------------------------------------------------------------
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TEST_F(FlagsUsageConfigTest, TestContainsHelpFlags) {
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flags::SetProgramInvocationName("usage_config_test");
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auto config = flags::GetUsageConfig();
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EXPECT_TRUE(config.contains_help_flags("zzz/usage_config_test.cc"));
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EXPECT_TRUE(
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config.contains_help_flags("bdir/a/zzz/usage_config_test-main.cc"));
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EXPECT_TRUE(
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config.contains_help_flags("//aqse/zzz/usage_config_test_main.cc"));
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EXPECT_FALSE(config.contains_help_flags("zzz/aa/usage_config_main.cc"));
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absl::FlagsUsageConfig empty_config;
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empty_config.contains_help_flags = &TstContainsHelpFlags;
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absl::SetFlagsUsageConfig(empty_config);
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EXPECT_TRUE(flags::GetUsageConfig().contains_help_flags("zzz/main-body.c"));
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EXPECT_FALSE(
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flags::GetUsageConfig().contains_help_flags("zzz/dir/main-body.c"));
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}
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// --------------------------------------------------------------------
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TEST_F(FlagsUsageConfigTest, TestContainsHelppackageFlags) {
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flags::SetProgramInvocationName("usage_config_test");
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auto config = flags::GetUsageConfig();
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EXPECT_TRUE(config.contains_helppackage_flags("aaa/usage_config_test.cc"));
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EXPECT_TRUE(
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config.contains_helppackage_flags("bbdir/aaa/usage_config_test-main.cc"));
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EXPECT_TRUE(config.contains_helppackage_flags(
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"//aqswde/aaa/usage_config_test_main.cc"));
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EXPECT_FALSE(config.contains_helppackage_flags("aadir/usage_config_main.cc"));
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absl::FlagsUsageConfig empty_config;
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empty_config.contains_helppackage_flags = &TstContainsHelppackageFlags;
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absl::SetFlagsUsageConfig(empty_config);
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EXPECT_TRUE(
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flags::GetUsageConfig().contains_helppackage_flags("aaa/main-body.c"));
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EXPECT_FALSE(
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flags::GetUsageConfig().contains_helppackage_flags("aadir/main-body.c"));
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}
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// --------------------------------------------------------------------
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TEST_F(FlagsUsageConfigTest, TestVersionString) {
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flags::SetProgramInvocationName("usage_config_test");
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#ifdef NDEBUG
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std::string expected_output = "usage_config_test\n";
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#else
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std::string expected_output =
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"usage_config_test\nDebug build (NDEBUG not #defined)\n";
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#endif
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EXPECT_EQ(flags::GetUsageConfig().version_string(), expected_output);
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absl::FlagsUsageConfig empty_config;
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empty_config.version_string = &TstVersionString;
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absl::SetFlagsUsageConfig(empty_config);
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EXPECT_EQ(flags::GetUsageConfig().version_string(), "program 1.0.0");
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}
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// --------------------------------------------------------------------
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TEST_F(FlagsUsageConfigTest, TestNormalizeFilename) {
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// This tests the default implementation.
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EXPECT_EQ(flags::GetUsageConfig().normalize_filename("a/a.cc"), "a/a.cc");
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EXPECT_EQ(flags::GetUsageConfig().normalize_filename("/a/a.cc"), "a/a.cc");
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EXPECT_EQ(flags::GetUsageConfig().normalize_filename("///a/a.cc"), "a/a.cc");
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EXPECT_EQ(flags::GetUsageConfig().normalize_filename("/"), "");
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// This tests that the custom implementation is called.
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absl::FlagsUsageConfig empty_config;
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empty_config.normalize_filename = &TstNormalizeFilename;
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absl::SetFlagsUsageConfig(empty_config);
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EXPECT_EQ(flags::GetUsageConfig().normalize_filename("a/a.cc"), "a.cc");
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EXPECT_EQ(flags::GetUsageConfig().normalize_filename("aaa/a.cc"), "a/a.cc");
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// This tests that the default implementation is called.
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empty_config.normalize_filename = nullptr;
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absl::SetFlagsUsageConfig(empty_config);
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EXPECT_EQ(flags::GetUsageConfig().normalize_filename("a/a.cc"), "a/a.cc");
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EXPECT_EQ(flags::GetUsageConfig().normalize_filename("/a/a.cc"), "a/a.cc");
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EXPECT_EQ(flags::GetUsageConfig().normalize_filename("///a/a.cc"), "a/a.cc");
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EXPECT_EQ(flags::GetUsageConfig().normalize_filename("\\a\\a.cc"), "a\\a.cc");
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EXPECT_EQ(flags::GetUsageConfig().normalize_filename("//"), "");
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EXPECT_EQ(flags::GetUsageConfig().normalize_filename("\\\\"), "");
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}
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} // namespace
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