presto-main/src/main/java/io/prestosql/execution/buffer/PagesSerdeUtil.java/PagesSerdeUtil/PageReader
class PagesSerdeUtil:        PageReader(PagesSerde serde, SliceInput input)
        {
            this.serde = requireNonNull(serde, "serde is null");
            this.input = requireNonNull(input, "input is null");
        }