api/java/src/main/java/com/navercorp/redis/cluster/spring/DefaultSessionOfHashSetOperations.java
public Long del(H key) {
        final byte[] rawKey = rawKey(key);

        return execute(new RedisCallback<Long>() {
            public Long doInRedis(RedisConnection connection) throws DataAccessException {
                return ((RedisClusterConnection) connection).ssDel(rawKey);
            }
        }, true);
    }
public Long del(H key) {
        final byte[] rawKey = rawKey(key);

        return execute(new RedisCallback<Long>() {
            public Long doInRedis(RedisConnection connection) throws DataAccessException {
                return ((RedisClusterConnection) connection).ssDel(rawKey);
            }
        }, true);
    }
/*
@see SessionOfHashSetOperations#del(java.lang.Object)