DeferredCloser closer,
          @ParametricNullness V1 value1,
          @ParametricNullness V2 value2,
          @ParametricNullness V3 value3,
          @ParametricNullness V4 value4,
          @ParametricNullness V5 value5)
          throws Exception;
    }

    /**
     * A function that returns a {@link ClosingFuture} when applied to the values of the five

    private @Nullable V value;
    boolean loading = false;

    public DummyValueReference() {
      this.loading = true;
    }

    public DummyValueReference(V value) {
      this.value = value;
    }

    public static <K, V> DummyValueReference<K, V> create(V value) {
      return new DummyValueReference<>(value);
    }

    private @Nullable V value;
    boolean loading = false;

    public DummyValueReference() {
      this.loading = true;
    }

    public DummyValueReference(V value) {
      this.value = value;
    }

    public static <K, V> DummyValueReference<K, V> create(V value) {
      return new DummyValueReference<>(value);
    }

    assertThat(LinkedHashSet(responseHeaders.values("A"))).isEqualTo(newSet("c", "e"))
    assertThat(LinkedHashSet(responseHeaders.values("a"))).isEqualTo(newSet("c", "e"))
    assertThat(responseHeaders.name(0)).isEqualTo("A")
    assertThat(responseHeaders.value(0)).isEqualTo("c")
    assertThat(responseHeaders.name(1)).isEqualTo("B")
    assertThat(responseHeaders.value(1)).isEqualTo("d")

 * directory. SmbFile URLs have the following syntax:
 *
 * <blockquote><pre>
 *     smb1://[[[domain;]username[:password]@]server[:port]/[[share/[dir/]file]]][?param=value[param2=value2[...]]]
 * </pre></blockquote>
 *
 * This example:
 *
 * <blockquote><pre>
 *     smb1://storage15/public/foo.txt
 * </pre></blockquote>
 *
 * would reference the file <code>foo.txt</code> in the share

 * directory. SmbFile URLs have the following syntax:
 *
 * <blockquote>
 *
 * <pre>
 *     smb://[[[domain;]username[:password]@]server[:port]/[[share/[dir/]file]]][?param=value[param2=value2[...]]]
 * </pre>
 *
 * </blockquote>
 *
 * This example:
 *
 * <blockquote>
 *
 * <pre>
 *     smb://storage15/public/foo.txt
 * </pre>
 *
 * </blockquote>
 *

   * and values in the map are.
   *
   * @param values the values to use when constructing the {@code Map}
   * @param keyFunction the function used to produce the key for each value
   * @return a map mapping the result of evaluating the function {@code keyFunction} on each value
   *     in the input collection to that value

   * and values in the map are.
   *
   * @param values the values to use when constructing the {@code Map}
   * @param keyFunction the function used to produce the key for each value
   * @return a map mapping the result of evaluating the function {@code keyFunction} on each value
   *     in the input collection to that value

    return;
  }

  // Rank is greater than 0, so fill in the values, if known, and
  // -1 for unknown values.
  for (int i = 0; i < num_dims; ++i) {
    auto dim = ic->Dim(shape, i);
    int64_t value = -1;
    if (ic->ValueKnown(dim)) {
      value = ic->Value(dim);
    }
    dims[i] = value;
  }
}

// TF_OperationDescription functions ------------------------------------------

    /**
     * Returns true if this reference contains an active value, meaning one that is still considered
     * present in the cache. Active values consist of live values, which are returned by cache
     * lookups, and dead values, which have been evicted but awaiting removal. Non-active values
     * consist strictly of loading values, though during refresh a value may be both active and
     * loading.
     */
    boolean isActive();