@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
    String convert(CaseFormat format, String s) {

    @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
    String convert(CaseFormat format, String s) {

    SATISFIED_AND_INTERRUPTED_BEFORE_WAITING,
    UNSATISFIED_BEFORE_AND_WHILE_WAITING,
    UNSATISFIED_AND_INTERRUPTED_BEFORE_WAITING;

    @Override
    public String toString() {
      return CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.UPPER_CAMEL, name());
    }
  }

  /** Timeout values to combine with each {@link Scenario}. */
  private enum Timeout {
    MIN(Long.MIN_VALUE, "-oo"),