throw new AssertionError(impossible);
    }
  }

  /**
   * Returns an optional enum constant for the given type, using {@link Enum#valueOf}. If the
   * constant does not exist, {@link Optional#absent} is returned. A common use case is for parsing
   * user input or falling back to a default enum constant. For example, {@code
   * Enums.getIfPresent(Country.class, countryInput).or(Country.DEFAULT);}
   *
   * @since 12.0

		return "EOF"
	case scanner.Ident:
		return "identifier"
	case scanner.Int:
		return "integer constant"
	case scanner.Float:
		return "float constant"
	case scanner.Char:
		return "rune constant"
	case scanner.String:
		return "string constant"
	case scanner.RawString:
		return "raw string constant"
	case scanner.Comment:
		return "comment"
	default:
		return fmt.Sprintf("%q", rune(t))
	}
}

            }
        };
    }

    /**
     * Creates new instance of problem collector with configuration from the provided session.
     *
     * @param <P> the type of problem
     * @param protoSession the session containing configuration for the problem collector
     * @return a new problem collector instance
     */
    @Nonnull

@GwtCompatible
@FunctionalInterface
public interface Supplier<T extends @Nullable Object> extends java.util.function.Supplier<T> {
  /**
   * Retrieves an instance of the appropriate type. The returned object may or may not be a new
   * instance, depending on the implementation.
   *
   * @return an instance of the appropriate type
   */
  @Override
  @ParametricNullness
  T get();

  /**

        ResultOffsetExceededException exception1 = new ResultOffsetExceededException("First instance");
        ResultOffsetExceededException exception2 = new ResultOffsetExceededException("Second instance");
        ResultOffsetExceededException exception3 = new ResultOffsetExceededException("Third instance");

        assertNotSame(exception1, exception2);
        assertNotSame(exception2, exception3);

    for (Constructor<X> constructor : preferringStringsThenThrowables(constructors)) {
      X instance = newFromConstructor(constructor, cause);
      if (instance != null) {
        if (instance.getCause() == null) {
          instance.initCause(cause);
        }
        return instance;
      }
    }
    throw new IllegalArgumentException(
        "No appropriate constructor for exception of type "

  }

  /**
   * Creates an instance of {@link ToStringHelper} in the same manner as {@link
   * #toStringHelper(Object)}, but using the simple name of {@code clazz} instead of using an
   * instance's {@link Object#getClass()}.
   *
   * <p>Note that in GWT, class names are often obfuscated.
   *
   * @param clazz the {@link Class} of the instance
   * @since 18.0 (since 7.0 as {@code Objects.toStringHelper}).

  UPPER_CAMEL(CharMatcher.inRange('A', 'Z'), "") {
    @Override
    String normalizeWord(String word) {
      return firstCharOnlyToUpper(word);
    }
  },

  /** Java and C++ constant naming convention, e.g., "UPPER_UNDERSCORE". */
  UPPER_UNDERSCORE(CharMatcher.is('_'), "_") {
    @Override
    String normalizeWord(String word) {
      return Ascii.toUpperCase(word);
    }

    @Override

                || algorithm == COMPRESSION_LZNT1 || algorithm == COMPRESSION_PATTERN_V1;
    }

    /**
     * Gets a human-readable name for the compression algorithm.
     *
     * @param algorithm the algorithm constant
     * @return the algorithm name
     */
    public static String getAlgorithmName(int algorithm) {
        switch (algorithm) {
        case COMPRESSION_NONE:
            return "None";

  @Nullable Integer expectedNodeCount = null;

  /**
   * Creates a new instance with the specified edge directionality.
   *
   * @param directed if true, creates an instance for graphs whose edges are each directed; if
   *     false, creates an instance for graphs whose edges are each undirected.
   */
  AbstractGraphBuilder(boolean directed) {
    this.directed = directed;
  }