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-// Copyright 2012 Google LLC
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-// * Neither the name of Google LLC nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-// arch_utilities.h: Utilities for architecture introspection for Mac platform.
-
-#ifndef COMMON_MAC_ARCH_UTILITIES_H__
-#define COMMON_MAC_ARCH_UTILITIES_H__
-
-#include <mach/machine.h>
-
-#include <optional>
-
-static constexpr const char* kUnknownArchName = "<Unknown architecture>";
-
-struct ArchInfo {
- cpu_type_t cputype;
- cpu_subtype_t cpusubtype;
-};
-
-// Returns architecture info if `arch_name` corresponds to a valid, known
-// architecture, and std::nullopt otherwise.
-std::optional<ArchInfo> GetArchInfoFromName(const char* arch_name);
-
-// Returns the name of the architecture specified by `cpu_type` and
-// `cpu_subtype`, or `kUnknownArchName` if it's unknown or invalid.
-const char* GetNameFromCPUType(cpu_type_t cpu_type, cpu_subtype_t cpu_subtype);
-
-// Returns the architecture of the machine this code is running on.
-ArchInfo GetLocalArchInfo();
-
-#endif // COMMON_MAC_ARCH_UTILITIES_H__