code: public void deletePipeline(DeletePipelineRequest request) {
          checkNotNull(request, "The parameter request should NOT be null.");
          checkStringNotEmpty(request.getPipelineName(), 
                  "The parameter pipelineName should NOT be null or empty string.");
          InternalRequest internalRequest =
                  createRequest(HttpMethodName.DELETE, request, PIPELINE, request.getPipelineName());
  
          invokeHttpClient(internalRequest, CreatePipelineResponse.class);
      }
docs: Deletes a pipeline with the specified pipeline name.
  
  @param request The request object containing all options for deleting a pipelines.