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"),

        return source;
    }

    protected Map<String, Object> toLowerHyphen(final Map<String, Object> source) {
        return source.entrySet().stream()
                .collect(Collectors.toMap(e -> CaseFormat.UPPER_CAMEL.to(CaseFormat.LOWER_UNDERSCORE, e.getKey()), e -> {
                    final Object value = e.getValue();
                    if (value instanceof Map) {
                        @SuppressWarnings("unchecked")

				return
			}
		}
		if closer, ok := enc.(expfmt.Closer); ok {
			closer.Close()
		}
	})
}

func toSnake(camel string) (snake string) {
	var b strings.Builder
	l := len(camel)
	for i, v := range camel {
		// A is 65, a is 97
		if v >= 'a' {
			b.WriteRune(v)
			continue
		}
		// v is capital letter here
		// disregard first letter

- The metric label name of `kubernetes_build_info` has been updated from `camel case` to `snake case`:
  - gitVersion --> git_version
  - gitCommit --> git_commit
  - gitTreeState --> git_tree_state
  - buildDate --> build_date
  - goVersion --> go_version