presto-thrift-api/src/main/java/io/prestosql/plugin/thrift/api/PrestoThriftBlock.java/PrestoThriftBlock/getBooleanData
class PrestoThriftBlock:    @Nullable
    @ThriftField(value = 5, requiredness = OPTIONAL)
    public PrestoThriftBoolean getBooleanData()
    {
        return booleanData;
    }