com.hyphenate.chat.EMStatisticsManager 成员列表

成员的完整列表，这些成员属于 com.hyphenate.chat.EMStatisticsManager,包括所有继承而来的类成员

getMessageCount(long startTimestamp, long endTimestamp, EMSearchMessageDirect direct, EMSearchMessageType type)	com.hyphenate.chat.EMStatisticsManager
getMessageSize(long startTimestamp, long endTimestamp, EMSearchMessageDirect direct, EMSearchMessageType type)	com.hyphenate.chat.EMStatisticsManager
getMessageStatistics(String messageId)	com.hyphenate.chat.EMStatisticsManager