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

getFailedServerIds()	com.netease.nimlib.sdk.qchat.result.QChatServerMarkReadResult
getSuccessServerIds()	com.netease.nimlib.sdk.qchat.result.QChatServerMarkReadResult
getTimestamp()	com.netease.nimlib.sdk.qchat.result.QChatServerMarkReadResult
QChatServerMarkReadResult(List< Long > successServerIds, List< Long > failedServerIds, long timestamp)	com.netease.nimlib.sdk.qchat.result.QChatServerMarkReadResult
toString()	com.netease.nimlib.sdk.qchat.result.QChatServerMarkReadResult