in src/main/java/org/apache/sling/cassandra/resource/provider/security/AccessControlUtil.java [70:89]
    private static void m() {
       AccessControlUtil accessControlUtil =  new AccessControlUtil(new CassandraResourceProvider());
        String path = "/content/cassandra/p2/c2";
        String policy="0_dishara_allow : " + READ;
        Set<String> set  = new HashSet<String>();
        set.add("dishara");
        try {
        accessControlUtil.addACE(path,policy);
          int results[] = accessControlUtil.buildAtLevel(set,path);
            System.out.println("GRANT" +results[0]);
            System.out.println("DENY" + results[1]);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }