/**
   * Returns a hash function implementing the <a
   * href="https://github.com/aappleby/smhasher/blob/master/src/MurmurHash3.cpp">32-bit murmur3
   * algorithm, x86 variant</a> (little-endian variant), using the given seed value, <b>with a known
   * bug</b> as described in the deprecation text.
   *
   * <p>The C++ equivalent is the MurmurHash3_x86_32 function (Murmur3A), which however does not

    <test.add.opens></test.add.opens>
    <test.add.args></test.add.args>
    <module.status>integration</module.status>
    <variant.jvmEnvironment>android</variant.jvmEnvironment>
    <variant.jvmEnvironmentVariantName>android</variant.jvmEnvironmentVariantName>
    <otherVariant.version>HEAD-jre-SNAPSHOT</otherVariant.version>
    <otherVariant.jvmEnvironment>standard-jvm</otherVariant.jvmEnvironment>

    <test.add.opens></test.add.opens>
    <test.add.args></test.add.args>
    <module.status>integration</module.status>
    <variant.jvmEnvironment>standard-jvm</variant.jvmEnvironment>
    <variant.jvmEnvironmentVariantName>jre</variant.jvmEnvironmentVariantName>
    <otherVariant.version>HEAD-android-SNAPSHOT</otherVariant.version>
    <otherVariant.jvmEnvironment>android</otherVariant.jvmEnvironment>

   * is a power of two. Indexing uses masked per-thread hash codes.
   * Nearly all declarations in this class are package-private,
   * accessed directly by subclasses.
   *
   * Table entries are of class Cell; a variant of AtomicLong padded
   * to reduce cache contention on most processors. Padding is
   * overkill for most Atomics because they are usually irregularly
   * scattered in memory and thus don't interfere much with each

};

using OpPtr = std::unique_ptr<TFE_Op, OpDeleter>;

using MaybeParallelTensorOwned =
    absl::variant<std::unique_ptr<ParallelTensor>, TensorHandlePtr>;

using MaybeParallelTensorUnowned =
    absl::variant<ParallelTensor*, TFE_TensorHandle*>;

// A ParallelDevice on its own is not registered with a TFE_Context, and so has

   * is a power of two. Indexing uses masked per-thread hash codes.
   * Nearly all declarations in this class are package-private,
   * accessed directly by subclasses.
   *
   * Table entries are of class Cell; a variant of AtomicLong padded
   * to reduce cache contention on most processors. Padding is
   * overkill for most Atomics because they are usually irregularly
   * scattered in memory and thus don't interfere much with each

	"Service Unavailable":             http.StatusServiceUnavailable,
	"Gateway Timeout":                 http.StatusGatewayTimeout,
	"HTTP Version Not Supported":      http.StatusHTTPVersionNotSupported,
	"Variant Also Negotiates":         http.StatusVariantAlsoNegotiates,
	"Insufficient Storage":            http.StatusInsufficientStorage,
	"Loop Detected":                   http.StatusLoopDetected,

#include <memory>
#include <optional>
#include <string>
#include <utility>
#include <vector>

#include "absl/status/status.h"
#include "absl/types/optional.h"
#include "absl/types/span.h"
#include "absl/types/variant.h"
#include "tensorflow/c/c_api.h"
#include "tensorflow/c/eager/c_api.h"
#include "tensorflow/c/eager/c_api_experimental.h"
#include "tensorflow/c/eager/tfe_op_internal.h"
#include "tensorflow/c/safe_ptr.h"

   * response code is 407 proxy unauthorized, this returns the "Proxy-Authenticate" challenges.
   * Otherwise this returns an empty list of challenges.
   *
   * If a challenge uses the `token68` variant instead of auth params, there is exactly one
   * auth param in the challenge at key null. Invalid headers and challenges are ignored.
   * No semantic validation is done, for example that `Basic` auth must have a `realm`

    }
  }

  /** Returns a serializable converter that always converts or reverses an object to itself. */
  @SuppressWarnings("unchecked") // implementation is "fully variant"
  public static <T> Converter<T, T> identity() {
    return (IdentityConverter<T>) IdentityConverter.INSTANCE;
  }

  /**
   * A converter that always converts or reverses an object to itself. Note that T is now a