code: public com.google.api.BackendRule.PathTranslation getPathTranslation() {
      @SuppressWarnings("deprecation")
      com.google.api.BackendRule.PathTranslation result = com.google.api.BackendRule.PathTranslation.valueOf(pathTranslation_);
      return result == null ? com.google.api.BackendRule.PathTranslation.UNRECOGNIZED : result;
    }
docs: <code>.google.api.BackendRule.PathTranslation path_translation = 6;</code>