PrivatedepsPrivate ReadonlybyPrivateframePrivatewidthPrivateheightPrivatecameraPrivate ReadonlyvisitPrivatevisitPrivatemeasurePrivaterecordPrivatemeasureLast record for a node path, or undefined when never seen / pruned.
Live records (no copy) — for cheap summaries such as the Performance popover's thinning row.
Copy of every record, for getPerf().density.
Forget every record (tests, dataset teardown).
Evaluate every committed data mesh under the root. Returns true when an evaluation ran (guard enabled, root/camera/buffer available).