code: @Override
      public UnsubscribeFromEventResult unsubscribeFromEvent(UnsubscribeFromEventRequest request) {
          request = beforeClientExecution(request);
          return executeUnsubscribeFromEvent(request);
      }
docs: <p>
  Disables the process of sending Amazon Simple Notification Service (SNS) notifications about a specified event to
  a specified SNS topic.
  </p>
  
  @param unsubscribeFromEventRequest
  @return Result of the UnsubscribeFromEvent operation returned by the service.
  @throws InternalException
  Internal server error.
  @throws InvalidInputException
  The request was rejected because an invalid or out-of-range value was supplied for an input parameter.
  @throws AccessDeniedException
  You do not have required permissions to access the requested resource.
  @throws NoSuchEntityException
  The request was rejected because it referenced an entity that does not exist. The error code describes
  the entity.
  @throws ServiceTemporarilyUnavailableException
  The serice is temporary unavailable.
  @sample AmazonInspector.UnsubscribeFromEvent
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/inspector-2016-02-16/UnsubscribeFromEvent" target="_top">AWS
  API Documentation</a>