presto-thrift-api/src/main/java/io/prestosql/plugin/thrift/api/PrestoThriftBlock.java/PrestoThriftBlock/getBigintData
class PrestoThriftBlock:    @Nullable
    @ThriftField(value = 2, requiredness = OPTIONAL)
    public PrestoThriftBigint getBigintData()
    {
        return bigintData;
    }