NIMQChatChannelGetExistingWhiteBlackMembersResp 成员列表

成员的完整列表，这些成员属于 NIMQChatChannelGetExistingWhiteBlackMembersResp,包括所有继承而来的类成员

member_count	NIMQChatChannelGetExistingWhiteBlackMembersResp
members	NIMQChatChannelGetExistingWhiteBlackMembersResp
res_code	NIMQChatChannelGetExistingWhiteBlackMembersResp
user_data	NIMQChatChannelGetExistingWhiteBlackMembersResp