/**
     * nextItem holds on to item fields because once we claim that an element exists in hasNext(),
     * we must return it in the following next() call even if it was in the process of being removed
     * when hasNext() was called.
     */
    private @Nullable E nextItem;

    /**
     * Index of element returned by most recent call to next. Reset to -1 if this element is deleted
     * by a call to remove.
     */

  static final boolean GENERATE_CANCELLATION_CAUSES = false;

  /**
   * Tag interface marking trusted subclasses. This enables some optimizations. The implementation
   * of this interface must also be an AbstractFuture and must not override or expose for overriding
   * any of the public methods of ListenableFuture.
   */
  interface Trusted<V extends @Nullable Object> extends ListenableFuture<V> {}

import java.io.Serializable;

/**
 * An abstract base class for implementing the <a
 * href="http://en.wikipedia.org/wiki/Decorator_pattern">decorator pattern</a>. The {@link
 * #delegate()} method must be overridden to return the instance being decorated.
 *
 * <p>This class does <i>not</i> forward the {@code hashCode} and {@code equals} methods through to

  }

  // Helper to assert common expected behaviour of uri escapers.
  static void assertBasicUrlEscaper(UnicodeEscaper e) {
    assertBasicUrlEscaperExceptPercent(e);
    // The escape character must always be escaped
    assertEscaping(e, "%25", '%');
  }

  static void assertPathEscaper(UnicodeEscaper e) {
    assertBasicUrlEscaper(e);

    assertUnescaped(e, '!');
    assertUnescaped(e, '\'');

func TestUNCPaths(t *testing.T) {
	testCases := []struct {
		objName string
		pass    bool
	}{
		{"/abcdef", true},
		{"/a/b/c/d/e/f/g", true},
		{string(bytes.Repeat([]byte("界"), 85)), true},
		// Each path component must be <= 255 bytes long.
		{string(bytes.Repeat([]byte("界"), 280)), false},
		{`/p/q/r/s/t`, true},
	}
	dir := t.TempDir()

	// Instantiate posix object to manage a disk
	fs, err := newLocalXLStorage(dir)

## Cloud Scale Deployment

			Type:        "address",
			Sensitive:   true,
		},
		config.HelpKV{
			Key:         SRVRecordName,
			Description: `DNS SRV record name for LDAP service, if given, must be one of "ldap", "ldaps" or "on"` + defaultHelpPostfix(SRVRecordName),
			Optional:    true,
			Type:        "string",
			Sensitive:   false,
		},
		config.HelpKV{
			Key:         LookupBindDN,

    if (op_) {
      return errors::FailedPrecondition(
          "SetOpName called on already built op.");
    }
    if (op_type_.empty()) {
      return errors::FailedPrecondition(
          "GraphOperation::Reset must be called before calling SetOpName.");
    }
    // TODO(b/145674566): We use Graph::NewName to get a unique name here but
    // this may not be consistent with python's naming policy.
    mutex_lock l(g_->mu);

 *     MultimapBuilder.treeKeys().treeSetValues(this::compareMethods).build();
 * }</pre>
 *
 * <p>{@code MultimapBuilder} instances are immutable. Invoking a configuration method has no effect
 * on the receiving instance; you must store and use the new builder instance it returns instead.
 *
 * <p>The generated multimaps are serializable if the key and value types are serializable, unless
 * stated otherwise in one of the configuration methods.
 *

    assertEquals("BigInteger must be greater than or equal to 0", expected.getMessage());
  }

  public void testFromIpv6BigIntegerThrowsLessThanZero() {
    IllegalArgumentException expected =
        assertThrows(
            IllegalArgumentException.class,
            () -> InetAddresses.fromIPv6BigInteger(BigInteger.valueOf(-1L)));
    assertEquals("BigInteger must be greater than or equal to 0", expected.getMessage());