private static @NotNull String removeWhitespace(@NotNull String referenceText) {
    boolean needsChange = false;
    for (int i = 0; i < referenceText.length(); i++) {
      char c = referenceText.charAt(i);
      if (c == '/' || Character.isWhitespace(c)) {
        needsChange = true;
        break;
      }
    }
    if (!needsChange) return referenceText;

    return WHITESPACE_PATTERN.matcher(referenceText).replaceAll("");
  }
private static @NotNull String removeWhitespace(@NotNull String referenceText)