INSTANCE;

    @Override
    public @Nullable Object apply(@Nullable Object o) {
      return o;
    }

    @Override
    public String toString() {
      return "Functions.identity()";
    }
  }

  /**
   * Returns a function which performs a map lookup. The returned function throws an {@link
   * IllegalArgumentException} if given a key that does not exist in the map. See also {@link

    /**
     * Returns the path matcher that unconditionally returns {@code true} for all files.
     * It should be the matcher returned by the other methods of this interface when the
     * given patterns match all files.
     *
     * @return path matcher that unconditionally returns {@code true} for all files
     */
    @Nonnull
    PathMatcher includesAll();

        a[k++] = items[i];
        i = inc(i);
      }
      return a;
    } finally {
      monitor.leave();
    }
  }

  /**
   * Returns an array containing all of the elements in this queue, in proper sequence; the runtime
   * type of the returned array is that of the specified array. If the queue fits in the specified
   * array, it is returned therein. Otherwise, a new array is allocated with the runtime type of the

   *
   * <p>The returned list maintains the values, but not the identities, of {@code Byte} objects
   * written to or read from it. For example, whether {@code list.get(0) == list.get(0)} is true for
   * the returned list is unspecified.
   *
   * <p>The returned list is serializable.
   *
   * @param backingArray the array to back the list
   * @return a list view of the array
   */

    The first one to _not_ be a `DefaultPlaceholder` will be returned.

    Otherwise, the first item (a `DefaultPlaceholder`) will be returned.
    """
    items = (first_item,) + extra_items
    for item in items:
        if not isinstance(item, DefaultPlaceholder):
            return item

        assertSame(dfs, received);

        // Verify that the URL returned by getURL works with SMB handler
        URL returned = loc.getURL();
        if (returned != null) {
            assertEquals(url, returned.toString());
        }

        // Test that getAddress returns null for our dummy implementation
        assertNull(loc.getAddress());
    }

    @Test

		return tbb.Name()
	}
	return ""
}

func (t *testLogger) Endpoint() string {
	return ""
}

func (t *testLogger) Stats() types.TargetStats {
	return types.TargetStats{}
}

func (t *testLogger) Init(ctx context.Context) error {
	return nil
}

func (t *testLogger) IsOnline(ctx context.Context) bool {
	return t.current.Load() != nil
}

func (t *testLogger) Cancel() {
	t.current.Store(nil)

  /** Returns the empty array. */
  public static ImmutableDoubleArray of() {
    return EMPTY;
  }

  /** Returns an immutable array containing a single value. */
  public static ImmutableDoubleArray of(double e0) {
    return new ImmutableDoubleArray(new double[] {e0});
  }

  /** Returns an immutable array containing the given values, in order. */

  }

  /**
   * Returns the largest index for which {@link #get} returns {@code target}, or {@code -1} if no
   * such index exists. Equivalent to {@code asList().lastIndexOf(target)}.
   */
  public int lastIndexOf(int target) {
    for (int i = end - 1; i >= start; i--) {
      if (array[i] == target) {
        return i - start;
      }
    }
    return -1;
  }

  /**

  /**
   * @return a {@code ListenableFuture} representing pending completion of the task
   * @throws RejectedExecutionException {@inheritDoc}
   */
  @Override
  <T extends @Nullable Object> ListenableFuture<T> submit(
      Runnable task, @ParametricNullness T result);

  /**
   * {@inheritDoc}
   *
   * <p>All elements in the returned list must be {@link ListenableFuture} instances. The easiest