OnUserUnpublishStreamType typedef Null safety

OnUserUnpublishStreamType = void Function(String uid, MediaStreamType type, StreamRemoveReason reason)

uid：移除的远端流发布用户的用户 ID

type：移除的远端流类型

reason：远端流移除的原因

Implementation

typedef OnUserUnpublishStreamType = void Function(
    String uid, MediaStreamType type, StreamRemoveReason reason);