TUIGroup

// TUIGroupConfig.h
typedef NS_OPTIONS(NSInteger, TUIGroupConfigItem) {
    TUIGroupConfigItem_None = 0,
    TUIGroupConfigItem_Members = 1 << 0,
    TUIGroupConfigItem_Notice = 1 << 1,
    TUIGroupConfigItem_Manage = 1 << 2,
    TUIGroupConfigItem_Alias = 1 << 3,
    TUIGroupConfigItem_MuteAndPin = 1 << 4,
    TUIGroupConfigItem_Background = 1 << 5,
    TUIGroupConfigItem_ClearChatHistory = 1 << 6,
    TUIGroupConfigItem_DeleteAndLeave = 1 << 7,
    TUIGroupConfigItem_Transfer = 1 << 8,
    TUIGroupConfigItem_Dismiss = 1 << 9,
    TUIGroupConfigItem_Report = 1 << 10,
};

/**
 * Hide items in group config interface.
 */
- (void)hideItemsInGroupConfig:(TUIGroupConfigItem)items;

// When to call: Before initializing group setting interface. 
[[TUIGroupConfig sharedConfig] hideItemsInGroupConfig:TUIGroupConfigItem_MuteAndPin|TUIGroupConfigItem_Manage|TUIGroupConfigItem_Members];