NIMQChatCheckPermissionParam 成员列表

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

cb	NIMQChatCheckPermissionParam
channel_id	NIMQChatCheckPermissionParam
permission	NIMQChatCheckPermissionParam
server_id	NIMQChatCheckPermissionParam
user_data	NIMQChatCheckPermissionParam