* {@link SortedMultiset#tailMultiset}, the {@code size()} and {@code iterator()} methods of
   * {@link SortedMultiset#entrySet}, and {@link SortedMultiset#remove(Object, int)}. In many
   * situations, you may wish to override {@link SortedMultiset#elementSet} to forward to this
   * implementation or a subclass thereof.
   */
  protected class StandardElementSet extends SortedMultisets.ElementSet<E> {

            "1.2.3.4e0",
            "6:5:4:3:2:1:0", // too few parts
            "::7:6:5:4:3:2:1:0", // too many parts
            "7:6:5:4:3:2:1:0::", // too many parts
            "9:8:7:6:5:4:3::2:1", // too many parts
            "0:1:2:3::4:5:6:7", // :: must remove at least one 0.
            "3ffe:0:0:0:0:0:0:0:1", // too many parts (9 instead of 8)
            "3ffe::10000", // hextet exceeds 16 bits
            "3ffe::goog",

 * specific language governing permissions and limitations
 * under the License.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

package okhttp3.internal.http

    assertEquals("a&quot;b&lt;c&gt;d&amp;", htmlEscaper().escape("a\"b<c>d&"));

    // Test two escapes in a row.
    assertEquals("foo&amp;&amp;bar", htmlEscaper().escape("foo&&bar"));

    // Test many non-escaped characters.
    s =
        "!@#$%^*()_+=-/?\\|]}[{,.;:"
            + "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
            + "1234567890";
    assertSame(s, htmlEscaper().escape(s));
  }

    static final String[] WINERR_MESSAGES = {
        "The operation completed successfully.",
        "Access is denied.",
        "No more connections can be made to this remote computer at this time because there are already as many connections as the computer can accept.",
        "The pipe state is invalid.",
        "All pipe instances are busy.",
        "The pipe is being closed.",
        "No process is on the other end of the pipe.",

Various components described in Config Ingestion can trigger a Config Update. These are batched up ("debounced"), to avoid excessive activity when many changes happen in succession, and eventually enqueued in the Push Queue.

  private val source: BufferedSource = countingSource.buffer()

  /** Total bytes read thus far. */
  private val byteCount: Long
    get() = countingSource.bytesRead - source.buffer.size

  /** How many bytes to read before [peekHeader] should return false, or -1L for no limit. */
  private var limit = -1L

  /** Type hints scoped to the call stack, manipulated with [withTypeHint]. */

    assertEquals(1, filtered.size());
    assertTrue(filtered.containsEntry("foo", 1));
    assertTrue(filtered.keySet().retainAll(Arrays.asList("cat", "dog")));
    assertEquals(0, filtered.size());
  }

  // TODO(jlevy): Many more tests needed.

  }

  /**
   * A sensible implementation of {@link NavigableSet#descendingSet} in terms of the other methods
   * of {@link NavigableSet}, notably including {@link NavigableSet#descendingIterator}.
   *
   * <p>In many cases, you may wish to override {@link ForwardingNavigableSet#descendingSet} to
   * forward to this implementation or a subclass thereof.
   *
   * @since 12.0
   */

   * {@link SortedMultiset#tailMultiset}, the {@code size()} and {@code iterator()} methods of
   * {@link SortedMultiset#entrySet}, and {@link SortedMultiset#remove(Object, int)}. In many
   * situations, you may wish to override {@link SortedMultiset#elementSet} to forward to this
   * implementation or a subclass thereof.
   *
   * @since 15.0
   */