presto-main/src/main/java/io/prestosql/execution/buffer/PageBufferInfo.java/PageBufferInfo/PageBufferInfo
class PageBufferInfo:    @JsonCreator
    public PageBufferInfo(
            @JsonProperty("partition") int partition,
            @JsonProperty("bufferedPages") long bufferedPages,
            @JsonProperty("bufferedBytes") long bufferedBytes,
            @JsonProperty("rowsAdded") long rowsAdded,
            @JsonProperty("pagesAdded") long pagesAdded)
    {
        this.partition = partition;
        this.bufferedPages = bufferedPages;
        this.bufferedBytes = bufferedBytes;
        this.rowsAdded = rowsAdded;
        this.pagesAdded = pagesAdded;
    }