code: func (container *Container) CancelAttachContext() {
  	container.attachContext.mu.Lock()
  	if container.attachContext.ctx != nil {
  		container.attachContext.cancel()
  		container.attachContext.ctx = nil
  	}
  	container.attachContext.mu.Unlock()
  }
docs: // CancelAttachContext cancels attach context. All attach calls should detach
  // after this call.