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

accept_custom_info_	NIMSignalingAcceptParam
account_id_	NIMSignalingAcceptParam
auto_join_	NIMSignalingAcceptParam
channel_id_	NIMSignalingAcceptParam
join_custom_info_	NIMSignalingAcceptParam
nertc_channel_name_	NIMSignalingAcceptParam
nertc_join_room_query_param_	NIMSignalingAcceptParam
nertc_token_ttl_	NIMSignalingAcceptParam
offline_enabled_	NIMSignalingAcceptParam
request_id_	NIMSignalingAcceptParam
uid_	NIMSignalingAcceptParam