export interface PerformanceMarkOptions {
    start?: number;
    detail?: Record<string, unknown>;
}
export declare function mark(name: string, options?: PerformanceMarkOptions): void;
export declare function measure(name: string, startMark?: string, endMark?: string): PerformanceMeasure | undefined;
export declare function clearMarks(name?: string): void;
export declare function clearMeasures(name?: string): void;
//# sourceMappingURL=performance.d.ts.map