*
   * @since 19.0
   */
  public Optional<Long> sizeIfKnown() {
    return Optional.absent();
  }

  /**
   * Returns the size of this source in bytes, even if doing so requires opening and traversing an
   * entire stream. To avoid a potentially expensive operation, see {@link #sizeIfKnown}.
   *
   * <p>The default implementation calls {@link #sizeIfKnown} and returns the value if present. If

    }
}
```

### 7.2 Integration Tests
```java
@Test
@EnabledIfSystemProperty(named = "witness.test.enabled", matches = "true")
public void testWitnessFailover() throws Exception {
    // Requires cluster environment for testing
    CIFSContext context = getTestContext();
    context.getConfig().setProperty("jcifs.smb.client.useWitness", "true");
    

  // We need to test that our method behaves like the JDK method.
  @SuppressWarnings("InlineMeInliner")
  public void testCompare() {
    for (double x : VALUES) {
      for (double y : VALUES) {
        // note: spec requires only that the sign is the same
        assertWithMessage(x + ", " + y).that(Doubles.compare(x, y)).isEqualTo(Double.compare(x, y));
      }
    }
  }

  public void testContains() {

  // We need to test that our method behaves like the JDK method.
  @SuppressWarnings("InlineMeInliner")
  public void testCompare() {
    for (long x : VALUES) {
      for (long y : VALUES) {
        // note: spec requires only that the sign is the same
        assertWithMessage(x + ", " + y).that(Longs.compare(x, y)).isEqualTo(Long.compare(x, y));
      }
    }
  }

  public void testContains() {

dShadowRoot(t.parentNode):null},jQueryDetection:function(){if("undefined"==typeof o.default)throw new TypeError("Bootstrap's JavaScript requires jQuery. jQuery must be included before Bootstrap's JavaScript.");var t=o.default.fn.jquery.split(" ")[0].split(".");if(t[0]<2&&t[1]<9||1===t[0]&&9===t[1]&&t[2]<1||t[0]>=4)throw new Error("Bootstrap's JavaScript requires at least jQuery v1.9.1 but less than v4.0.0")}};d.jQueryDetection(),o.default.fn.emulateTransitionEnd=function(t){var e=this,n=!1;return...

source code to the public.

  The GNU Affero General Public License is designed specifically to
ensure that, in such cases, the modified source code becomes available
to the community.  It requires the operator of a network server to
provide the source code of the modified version running there to the
users of that server.  Therefore, public use of a modified version, on

  // We need to test that our method behaves like the JDK method.
  @SuppressWarnings("InlineMeInliner")
  public void testCompare() {
    for (float x : VALUES) {
      for (float y : VALUES) {
        // note: spec requires only that the sign is the same
        assertWithMessage(x + ", " + y).that(Floats.compare(x, y)).isEqualTo(Float.compare(x, y));
      }
    }
  }

  public void testContains() {

  // We need to test that our method behaves like the JDK method.
  @SuppressWarnings("InlineMeInliner")
  public void testCompare() {
    for (int x : VALUES) {
      for (int y : VALUES) {
        // note: spec requires only that the sign is the same
        assertWithMessage(x + ", " + y).that(Ints.compare(x, y)).isEqualTo(Integer.compare(x, y));
      }
    }
  }

  public void testContains() {

  // We need to test that our method behaves like the JDK method.
  @SuppressWarnings("InlineMeInliner")
  public void testCompare() {
    for (float x : VALUES) {
      for (float y : VALUES) {
        // note: spec requires only that the sign is the same
        assertWithMessage(x + ", " + y).that(Floats.compare(x, y)).isEqualTo(Float.compare(x, y));
      }
    }
  }

  public void testContains() {

    get_compat_files(TENSORFLOW_API_INIT_FILES_V1, 1) + get_nested_compat_files([
        1,
        2,
    ])
)
# copybara:comment_end

# Config setting used when building for products
# which requires restricted licenses to be avoided.
config_setting(
    name = "no_lgpl_deps",
    define_values = {"__TENSORFLOW_NO_LGPL_DEPS__": "1"},
    visibility = ["//visibility:public"],
)