docs: public com.google.privacy.dlp.v2.CharsToIgnore.CommonCharsToIgnore getCommonCharactersToIgnore() {
      if (charactersCase_ == 2) {
        @SuppressWarnings("deprecation")
        com.google.privacy.dlp.v2.CharsToIgnore.CommonCharsToIgnore result =
            com.google.privacy.dlp.v2.CharsToIgnore.CommonCharsToIgnore.valueOf(
                (java.lang.Integer) characters_);
        return result == null
            ? com.google.privacy.dlp.v2.CharsToIgnore.CommonCharsToIgnore.UNRECOGNIZED
            : result;
      }
      return com.google.privacy.dlp.v2.CharsToIgnore.CommonCharsToIgnore
          .COMMON_CHARS_TO_IGNORE_UNSPECIFIED;
    }