import { type PerformanceTimeline_LayoutShift } from "https://deno.land/x/astral@0.3.1/bindings/celestial.ts";
See https://wicg.github.io/layout-instability/#sec-layout-shift and layout_shift.idl
definition: { value: number; hadRecentInput: boolean; lastInputTime: Network_TimeSinceEpoch; sources: PerformanceTimeline_LayoutShiftAttribution[]; }