interface Metricsimport { type Metrics } from "https://deno.land/x/puppeteer@16.2.0/vendor/puppeteer-core/puppeteer/common/Page.js"; PropertiesoptionalTimestamp: numberoptionalDocuments: numberoptionalFrames: numberoptionalJSEventListeners: numberoptionalNodes: numberoptionalLayoutCount: numberoptionalRecalcStyleCount: numberoptionalLayoutDuration: numberoptionalRecalcStyleDuration: numberoptionalScriptDuration: numberoptionalTaskDuration: numberoptionalJSHeapUsedSize: numberoptionalJSHeapTotalSize: number