presto-redis/src/main/java/io/prestosql/plugin/redis/RedisHandleResolver.java/RedisHandleResolver/convertColumnHandle
class RedisHandleResolver:    static RedisColumnHandle convertColumnHandle(ColumnHandle columnHandle)
    {
        requireNonNull(columnHandle, "columnHandle is null");
        checkArgument(columnHandle instanceof RedisColumnHandle, "columnHandle is not an instance of RedisColumnHandle");
        return (RedisColumnHandle) columnHandle;
    }