成员的完整列表，这些成员属于 com.netease.nimlib.sdk.qchat.param.QChatSubscribeServerParam,包括所有继承而来的类成员

getOperateType()	com.netease.nimlib.sdk.qchat.param.QChatSubscribeServerParam
getServerIds()	com.netease.nimlib.sdk.qchat.param.QChatSubscribeServerParam
getType()	com.netease.nimlib.sdk.qchat.param.QChatSubscribeServerParam
QChatSubscribeServerParam(@NonNull QChatSubscribeType type,@NonNull QChatSubscribeOperateType operateType,@NonNull List< Long > serverIds)	com.netease.nimlib.sdk.qchat.param.QChatSubscribeServerParam