public Task<RequestCancelWorkflowExecutionResponse> RequestCancelWorkflowExecutionAsync(RequestCancelWorkflowExecutionRequest request, System.Threading.CancellationToken cancellationToken = default(CancellationToken))
{
var marshaller = new RequestCancelWorkflowExecutionRequestMarshaller();
var unmarshaller = RequestCancelWorkflowExecutionResponseUnmarshaller.Instance;
return InvokeAsync<RequestCancelWorkflowExecutionRequest,RequestCancelWorkflowExecutionResponse>(request, marshaller,
unmarshaller, cancellationToken);
}