code: func (c *ContainerServer) AddSandbox(sb *sandbox.Sandbox) error {
  	c.state.sandboxes.Add(sb.ID(), sb)
  
  	c.stateLock.Lock()
  	defer c.stateLock.Unlock()
  	return c.addSandboxPlatform(sb)
  }
docs: // AddSandbox adds a sandbox to the sandbox state store