code: func (p *Project) Kill(ctx context.Context, signal string, services ...string) error {
  	return p.perform(events.ProjectKillStart, events.ProjectKillDone, services, wrapperAction(func(wrapper *serviceWrapper, wrappers map[string]*serviceWrapper) {
  		wrapper.Do(nil, events.ServiceKillStart, events.ServiceKill, func(service Service) error {
  			return service.Kill(ctx, signal)
  		})
  	}), nil)
  }
docs: // Kill kills the specified services (like docker kill).