import type { RelativeTime } from '@datadog/browser-core';
import { type RumPerformanceNavigationTiming } from './performanceObservable';
export declare function getNavigationEntry(): RumPerformanceNavigationTiming;
export type TimingsFromDeprecatedPerformanceTiming = {
    -readonly [key in keyof Omit<PerformanceTiming, 'toJSON'>]: RelativeTime;
};
export declare function computeTimingsFromDeprecatedPerformanceTiming(): TimingsFromDeprecatedPerformanceTiming;