docs: func (c *ECS) UpdateServicePrimaryTaskSetRequest(input *UpdateServicePrimaryTaskSetInput) (req *request.Request, output *UpdateServicePrimaryTaskSetOutput) {
  	op := &request.Operation{
  		Name:       opUpdateServicePrimaryTaskSet,
  		HTTPMethod: "POST",
  		HTTPPath:   "/",
  	}
  
  	if input == nil {
  		input = &UpdateServicePrimaryTaskSetInput{}
  	}
  
  	output = &UpdateServicePrimaryTaskSetOutput{}
  	req = c.newRequest(op, input, output)
  	return
  }