presto-main/src/main/java/io/prestosql/operator/aggregation/BitwiseAndAggregation.java/BitwiseAndAggregation/output
class BitwiseAndAggregation:    @OutputFunction(StandardTypes.BIGINT)
    public static void output(@AggregationState NullableLongState state, BlockBuilder out)
    {
        NullableLongState.write(BigintType.BIGINT, state, out);
    }