export var performance = globalThis.performance; export class PerformanceObserver { constructor() { throw new Error("PerformanceEntry is not implemented yet"); } } export class PerformanceEntry { constructor() { throw new Error("PerformanceEntry is not implemented yet"); } } export class PerformanceNodeTiming { constructor() { throw new Error( "PerformanceNodeTiming is not supported in this environment.", ); } } export default { performance, PerformanceEntry, PerformanceEntry, PerformanceNodeTiming, };