*/
  @SuppressWarnings("unchecked")
  public static <T extends @Nullable Object> Collector<T, ?, T> onlyElement() {
    return (Collector) ONLY_ELEMENT;
  }

  /**
   * This atrocity is here to let us report several of the elements in the stream if there were more
   * than one, not just two.
   */
  @SuppressWarnings("EmptyList") // ImmutableList doesn't support nullable element types

    /**
     * Returns a value in [0..maxByteCount] with the number of bytes that can be read from [source]
     * in the current part. If this returns 0 the current part is exhausted; otherwise it has at
     * least one byte left to read.
     */
    private fun currentPartBytesRemaining(maxByteCount: Long): Long {
      val toIndex = minOf(source.buffer.size, maxByteCount) + 1L
      val boundaryIndex =
        source.indexOf(

             */

            andx.uid = uid;
            dstIndex += ((AndXServerMessageBlock) andx).writeAndXWireFormat(dst, dstIndex);
        } else {
            // the andx smb is not of type andx so lets just write it here and
            // were done.
            final int andxStart = dstIndex;
            andx.wordCount = andx.writeParameterWordsWireFormat(dst, dstIndex);
            dstIndex += andx.wordCount + 1;

    builder.put("bb", 3);
    builder.put("d", 2);
    builder.put("a", 5);
    builder.orderKeysBy(
        new Ordering<String>() {
          @Override
          public int compare(String left, String right) {
            return left.length() - right.length();
          }
        });
    builder.put("cc", 4);
    builder.put("a", 2);
    builder.put("bb", 6);

  }

  /**
   * Creates the permissions normally used for Windows filesystems, looking up the user afresh, even
   * if previous calls have initialized the {@code PermissionSupplier} fields.
   *
   * <p>This lets us test the effects of different values of the {@code user.name} system property
   * without needing a separate VM or classloader.
   */
  @IgnoreJRERequirement // used only when Path is available (and only from tests)

  private static void assertSubtypeTokenBeforeSupertypeToken(
      Iterable<? extends TypeToken<?>> types) {
    int i = 0;
    for (TypeToken<?> left : types) {
      int j = 0;
      for (TypeToken<?> right : types) {
        if (left.isSupertypeOf(right)) {
          assertTrue(left + " should be after " + right, i >= j);
        }
        j++;
      }
      i++;
    }
  }

        }
      }
    }

    return response
  }

  /**
   * Returns a new source that writes bytes to [cacheRequest] as they are read by the source
   * consumer. This is careful to discard bytes left over when the stream is closed; otherwise we
   * may never exhaust the source stream and therefore not complete the cached response.
   */
  @Throws(IOException::class)
  private fun cacheWritingResponse(

   */
  @SuppressWarnings("unchecked")
  public static <T extends @Nullable Object> Collector<T, ?, T> onlyElement() {
    return (Collector) ONLY_ELEMENT;
  }

  /**
   * This atrocity is here to let us report several of the elements in the stream if there were more
   * than one, not just two.
   */
  @SuppressWarnings("EmptyList") // ImmutableList doesn't support nullable element types

    // This loop is critical to performance, so please check HashBenchmark if altering it.
    int limit = min(length, 8);
    for (int i = 0; i < limit; i++) {
      // Shift value left while iterating logically through the array.
      result |= (input[offset + i] & 0xFFL) << (i * 8);
    }
    return result;
  }

  /**

 *  * DER: Distinguished Encoding Rules. This further constrains ASN.1 for deterministic encoding.
 *  * BER: Basic Encoding Rules.
 *
 * This class was implemented according to the [X.690 spec][[x690]], and under the advice of
 * [Lets Encrypt's ASN.1 and DER][asn1_and_der] guide.
 *
 * [x690]: https://www.itu.int/rec/T-REC-X.690
 * [asn1_and_der]: https://letsencrypt.org/docs/a-warm-welcome-to-asn1-and-der/
 */
internal class DerReader(