interface Metricsimport { type Metrics } from "https://dotland.deno.dev/x/puppeteer@16.2.0/mod.ts"; PropertiesoptionalTimestamp: numberoptionalDocuments: numberoptionalFrames: numberoptionalJSEventListeners: numberoptionalNodes: numberoptionalLayoutCount: numberoptionalRecalcStyleCount: numberoptionalLayoutDuration: numberoptionalRecalcStyleDuration: numberoptionalScriptDuration: numberoptionalTaskDuration: numberoptionalJSHeapUsedSize: numberoptionalJSHeapTotalSize: number