// Fast path (first test is probably all we need to do)
        return c1;
      } else if (c1 <= Character.MAX_HIGH_SURROGATE) {
        // If the high surrogate was the last character, return its inverse
        if (index == end) {
          return -c1;
        }
        // Otherwise look for the low surrogate following it
        char c2 = seq.charAt(index);

			cache.error = err.Error()
			cache.status = scanStateError
			rpc.UpdateMetacacheListing(ctx, cache)
			return err
		}
		return nil
	}
	if cache.error != "" {
		return fmt.Errorf("async cache listing failed with: %s", cache.error)
	}
	return nil

        "toArray(sameSizeE[]) should return the given array", array, collection.toArray(array));
    expectArrayContentsAnyOrder(createSamplesArray(), array);
  }

  @CollectionFeature.Require(KNOWN_ORDER)
  public void testToArray_rightSizedArray_ordered() {
    E[] array = getSubjectGenerator().createArray(getNumElements());
    assertSame(
        "toArray(sameSizeE[]) should return the given array", array, collection.toArray(array));

    inverse = forward;
  }

  @Override
  protected Map<K, V> delegate() {
    return delegate;
  }

  /** Returns its input, or throws an exception if this is not a valid key. */
  @CanIgnoreReturnValue
  @ParametricNullness
  K checkKey(@ParametricNullness K key) {
    return key;
  }

  /** Returns its input, or throws an exception if this is not a valid value. */
  @CanIgnoreReturnValue

     * @return The default domain.
     */
    public static String getDefaultDomain() {
        return DEFAULT_DOMAIN;
    }

    /**
     * Returns the default user from the current environment.
     *
     * @return The default user.
     */
    public static String getDefaultUser() {
        return DEFAULT_USER;
    }

    /**
     * Returns the default password from the current environment.
     *

         * return null; }
         */
    }

    protected String getReadingFromAttribute(final TokenStream stream) {
        return null;
        /*
         * if (tokenizerFactory instanceof JapaneseTokenizerFactory) { final ReadingAttribute rdAttr =
         * stream.getAttribute(ReadingAttribute.class); return rdAttr.getReading(); } else { return null; }
         */
    }

      return var.toString();
    }

    /** Wraps {@code t} in a {@code TypeVariableKey} if it's a type variable. */
    @CheckForNull
    static TypeVariableKey forLookup(Type t) {
      if (t instanceof TypeVariable) {
        return new TypeVariableKey((TypeVariable<?>) t);
      } else {
        return null;
      }
    }

    /**

  public ImmutableSet<Range<C>> asRanges() {
    if (ranges.isEmpty()) {
      return ImmutableSet.of();
    }
    return new RegularImmutableSortedSet<>(ranges, Range.<C>rangeLexOrdering());
  }

  @Override
  public ImmutableSet<Range<C>> asDescendingSetOfRanges() {
    if (ranges.isEmpty()) {
      return ImmutableSet.of();
    }
    return new RegularImmutableSortedSet<>(ranges.reverse(), Range.<C>rangeLexOrdering().reverse());

                doClose();
                return null;
            }
            throw e;
        }

        this.response.setSubCommand(SmbComTransaction.TRANS2_FIND_NEXT2);
        FileEntry n = advance(false);
        if ( n == null ) {
            doClose();
        }
        return n;
    }


    /**
     * {@inheritDoc}
     *

  static MapMaker tryWeakKeys(MapMaker mapMaker) {
    return mapMaker.weakKeys();
  }

  static <E extends Enum<E>> Class<E> getDeclaringClassOrObjectForJ2cl(E e) {
    return e.getDeclaringClass();
  }

  static int reduceIterationsIfGwt(int iterations) {
    return iterations;
  }

  static int reduceExponentIfGwt(int exponent) {
    return exponent;
  }

  private Platform() {}