code: public static Translator<String> getIdentityTranslator()
      {
          return new Translator<String>()
          {
              @Override
              public String getPropertyName(String propertyKey)
              {
                  return propertyKey;
              }
  
              @Override
              public String getPropertyKey(String propertyName)
              {
                  return propertyName;
              }
          };
      }
docs: Create a translator that returns the string that it is given (no
  translation).
  
  @return the identity translator implementation