public static ConnectApi.BatchResult[] Gaurav2(String communityId, String subjectId,  ArrayList<String> textWithMentions) {
        //ConnectApi.BatchResult[] result = new ConnectApi.BatchResult[];
        List<ConnectApi.BatchInput> batchInputs = new List<ConnectApi.BatchInput>{};


        return  (new ConnectApi.BatchResult[]()) ;

    }

List<String> arr =  new List<String>();
arr.add('Hey {00536000002DqEu} , Gaurav1?');
arr.add('Hey {00536000002DqEu} , Gaurav2?');


String rs =   ConnectApiHelper.Gaurav2('0DB36000000TNuDGAW','me',arr);