@Override
  public void putKeyValue(@NotNull YAMLKeyValue keyValueToAdd) {
    final YAMLKeyValue existingKey = getKeyValueByKey(keyValueToAdd.getKeyText());
    if (existingKey == null) {
      addNewKey(keyValueToAdd);
    }
    else {
      existingKey.replace(keyValueToAdd);
    }
  }
@Override
  public void putKeyValue(@NotNull YAMLKeyValue keyValueToAdd)