/**
 * @description 表示 SocketUnit 当前所处的生命周期阶段。
 */
export type SocketUnitLifecycleState = "IDLE" | "RUNNING" | "CLOSED"

/**
 * @description 表示当前传输对象由谁负责创建和销毁。
 */
export type SocketUnitTransportOwnership = "OWNED" | "INJECTED"

/**
 * @description 表示客户端与服务端 SocketUnit 共享的基础快照结构。
 */
export interface SocketUnitBaseSnapshot<ClientId, Status, HeartbeatSnapshot> {
  status: Status
  clientId: ClientId
  lifecycleState: SocketUnitLifecycleState
  isReadyToWork: boolean
  hasTransport: boolean
  pendingActionCount: number
  transportOwnership: SocketUnitTransportOwnership
  heartbeat: HeartbeatSnapshot
}