code: public FessMessages addConstraintsAssertFalseMessage(String property) {
          assertPropertyNotNull(property);
          add(property, new UserMessage(CONSTRAINTS_AssertFalse_MESSAGE));
          return this;
      }
docs: Add the created action message for the key 'constraints.AssertFalse.message' with parameters.
  <pre>
  message: {item} must be false.
  comment: ---------------
  </pre>
  @param property The property name for the message. (NotNull)
  @return this. (NotNull)