// units.
//
// If you are designing an interface or concept, you can define a
// suite of type-parameterized tests to verify properties that any
// valid implementation of the interface/concept should have.  Then,
// each implementation can easily instantiate the test suite to verify
// that it conforms to the requirements, without having to write
// similar tests repeatedly.  Here's an example:

#if 0

// executing in the context of the death test child process.  Tools such as
// Valgrind heap checkers may need this to modify their behavior in death
// tests.  IMPORTANT: This is an internal utility.  Using it may break the
// implementation of death tests.  User code MUST NOT use it.
GTEST_API_ bool InDeathTestChild();

}  // namespace internal

// The following macros are useful for writing death tests.

// units.
//
// If you are designing an interface or concept, you can define a
// suite of type-parameterized tests to verify properties that any
// valid implementation of the interface/concept should have.  Then,
// each implementation can easily instantiate the test suite to verify
// that it conforms to the requirements, without having to write
// similar tests repeatedly.  Here's an example:

#if 0

    mutable scoped_ptr<const T> value_;
  };  // class ValuesInIteratorRangeGenerator::Iterator

  // No implementation - assignment is unsupported.
  void operator=(const ValuesInIteratorRangeGenerator& other);

  const ContainerType container_;
};  // class ValuesInIteratorRangeGenerator

// INTERNAL IMPLEMENTATION - DO NOT USE IN USER CODE.
//
// Stores a parameter value and later creates tests parameterized with that

// should allow registering a plugin graph optimizer with TensorFlow.
//
// Conventions:
//   * Struct prefix indicates whether struct fields should be filled by the
//     plugin or core implementation:
//     * Struct that should be filled by the plugin: `TP_OptimizerConfigs`,
//       `TP_Optimizer`, `TP_OptimizerRegistrationParams`
//     * Struct that should be filled by the proper: `TF_GrapplerItem`,

TF_CAPI_EXPORT void TF_SetXlaMinClusterSize(int size);

// Gets/Sets TF/XLA flag for whether(true) or not(false) to disable constant
// folding. This is for testing to ensure that XLA is being tested rather than
// Tensorflow's CPU implementation through constant folding.
TF_CAPI_EXPORT unsigned char TF_GetXlaConstantFoldingDisabled();
TF_CAPI_EXPORT void TF_SetXlaConstantFoldingDisabled(
    unsigned char should_enable);

struct TraceInfo;                      // Information about a trace point.
class ScopedTrace;                     // Implements scoped trace.
class TestInfoImpl;                    // Opaque implementation of TestInfo
class UnitTestImpl;                    // Opaque implementation of UnitTest

// How many times InitGoogleTest() has been called.
GTEST_API_ extern int g_init_gtest_count;

// The text used in failure messages to indicate the start of the

// should allow registering a pluggable device with TensorFlow.
//
// Conventions:
//   * Struct prefix indicates whether struct fields should be filled by the
//     plugin or core implementation:
//     * SE_ : set/filled by core unless explicitly marked otherwise.
//     * SP_ : set/filled by plugin unless explicitly marked otherwise.
//   * We use `struct_size` for version checking. It is exempt from the `SE/SP`

// where <name> matches regexp [a-zA-Z][a-zA-Z0-9_]*.
// By convention, names containing only capital letters are reserved for
// attributes whose values can be inferred by the operator implementation if not
// supplied by the user. If the attribute name contains characters other than
// capital letters, the operator expects the user to provide the attribute value
// at operation runtime.
//
// <type> can be:

  }
  DeviceCompilerClient<ExecutableType, ClientType>* compiler_client() {
    return compiler_client_.get();
  }

  string DebugString() const override;

 private:
  // Common implementation of Compile and CompileSingleOp. The `OpKernelContext`
  // parameter is always null for the former.
  Status CompileImpl(
      const XlaCompiler::CompileOptions& compile_options,