export const measure: (measureName: string, startOrMeasureOptions?: string | PerformanceMeasureOptions | undefined, endMark?: string | undefined) => PerformanceMeasure;
export const now: () => number;
export const mark: (markName: string, markOptions?: PerformanceMarkOptions | undefined) => PerformanceMark;
//# sourceMappingURL=performance.d.ts.map