code: @Override
      public GetFunctionDefinitionResult getFunctionDefinition(GetFunctionDefinitionRequest request) {
          request = beforeClientExecution(request);
          return executeGetFunctionDefinition(request);
      }
docs: Retrieves information about a Lambda function definition, including its creation time and latest version.
  
  @param getFunctionDefinitionRequest
  @return Result of the GetFunctionDefinition operation returned by the service.
  @throws BadRequestException
  invalid request
  @sample AWSGreengrass.GetFunctionDefinition
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/greengrass-2017-06-07/GetFunctionDefinition"
  target="_top">AWS API Documentation</a>