timestampToPoint[index].y+=size;if(opt_name!==undefined)idToName[id]=opt_name;});});const ids=Object.keys(idToTimestampToPoint);if(ids.length===0)return undefined;ids.sort();for(let i=0;i<dumpCount;i++){let baseSize=0;for(let j=ids.length-1;j>=0;j--){const point=idToTimestampToPoint[ids[j]][i];point.yBase=baseSize;point.y+=baseSize;baseSize=point.y;}}