public interface ChannelState {
int Channel_State_Mask_FullInfo = 1;
int Channel_State_Mask_Unsubscribed_User_Access = 2;
int Channel_State_Mask_Active_Subscribe = 4;
int Channel_State_Mask_Message_Unsubscribed = 8;
// 不允许收听
int Channel_State_Mask_Private = 16;
// 不允许收听
int Channel_State_Mask_Deleted = 64;
int Channel_State_Mask_Global = 128;
}