code: func (s *Service) Start(id int64, apistartrequestbodymessage *ApiStartRequestBodyMessage) *StartCall {
  	c := &StartCall{s: s, urlParams_: make(gensupport.URLParams)}
  	c.id = id
  	c.apistartrequestbodymessage = apistartrequestbodymessage
  	return c
  }
docs: // Start: Marks a build as started.