code: @Override
      public boolean isSet(String propName) {
          if (propName.equals(PROP_L)) {
              return isSetL();
          }
          if (propName.equals(PROP_LOCALITY_NAME)) {
              return isSetLocalityName();
          }
          if (propName.equals(PROP_ST)) {
              return isSetSt();
          }
          if (propName.equals(PROP_STATE_OR_PROVINCE_NAME)) {
              return isSetStateOrProvinceName();
          }
          if (propName.equals(PROP_STREET)) {
              return isSetStreet();
          }
          if (propName.equals(PROP_SEE_ALSO)) {
              return isSetSeeAlso();
          }
          if (propName.equals(PROP_DESCRIPTION)) {
              return isSetDescription();
          }
          return super.isSet(propName);
      }
docs: Returns true if the requested property is set; false, otherwise.
  
  @return
  returned object is {@link boolean }