code: @Override
      public void set(String propName, Object value) {
          if (propName.equals("checkPoint")) {
              getCheckPoint().add(((com.ibm.wsspi.security.wim.model.CheckPointType) value));
          }
          super.set(propName, value);
      }
docs: Sets the value of the provided property to the provided value.
  
  @param propName
  allowed object is {@link String}
  @param value
  allowed object is {@link Object}