code: @Override
      public ListConnectorDefinitionsResult listConnectorDefinitions(ListConnectorDefinitionsRequest request) {
          request = beforeClientExecution(request);
          return executeListConnectorDefinitions(request);
      }
docs: Retrieves a list of connector definitions.
  
  @param listConnectorDefinitionsRequest
  @return Result of the ListConnectorDefinitions operation returned by the service.
  @sample AWSGreengrass.ListConnectorDefinitions
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/greengrass-2017-06-07/ListConnectorDefinitions"
  target="_top">AWS API Documentation</a>