code: @Override
      public ListConnectorDefinitionVersionsResult listConnectorDefinitionVersions(ListConnectorDefinitionVersionsRequest request) {
          request = beforeClientExecution(request);
          return executeListConnectorDefinitionVersions(request);
      }
docs: Lists the versions of a connector definition, which are containers for connectors. Connectors run on the
  Greengrass core and contain built-in integration with local infrastructure, device protocols, AWS, and other
  cloud services.
  
  @param listConnectorDefinitionVersionsRequest
  @return Result of the ListConnectorDefinitionVersions operation returned by the service.
  @throws BadRequestException
  invalid request
  @sample AWSGreengrass.ListConnectorDefinitionVersions
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/greengrass-2017-06-07/ListConnectorDefinitionVersions"
  target="_top">AWS API Documentation</a>