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

getChatThreadId()	com.hyphenate.chat.EMChatThread
getChatThreadName()	com.hyphenate.chat.EMChatThread
getCreateAt()	com.hyphenate.chat.EMChatThread
getLastMessage()	com.hyphenate.chat.EMChatThread
getMemberCount()	com.hyphenate.chat.EMChatThread
getMessageCount()	com.hyphenate.chat.EMChatThread
getMessageId()	com.hyphenate.chat.EMChatThread
getOwner()	com.hyphenate.chat.EMChatThread
getParentId()	com.hyphenate.chat.EMChatThread
toString()	com.hyphenate.chat.EMChatThread