import { Configuration } from '@cloudsnorkel/datadog-browser-core';
import { LifeCycle } from './lifeCycle';
export interface RumPerformanceResourceTiming {
    entryType: 'resource';
    initiatorType: string;
    name: string;
    startTime: number;
    duration: number;
    fetchStart: number;
    domainLookupStart: number;
    domainLookupEnd: number;
    connectStart: number;
    secureConnectionStart: number;
    connectEnd: number;
    requestStart: number;
    responseStart: number;
    responseEnd: number;
    redirectStart: number;
    redirectEnd: number;
    decodedBodySize: number;
    traceId?: string;
}
export interface RumPerformanceLongTaskTiming {
    entryType: 'longtask';
    startTime: number;
    duration: number;
}
export interface RumPerformancePaintTiming {
    entryType: 'paint';
    name: 'first-paint' | 'first-contentful-paint';
    startTime: number;
}
export interface RumPerformanceNavigationTiming {
    entryType: 'navigation';
    domComplete: number;
    domContentLoadedEventEnd: number;
    domInteractive: number;
    loadEventEnd: number;
}
export declare type RumPerformanceEntry = RumPerformanceResourceTiming | RumPerformanceLongTaskTiming | RumPerformancePaintTiming | RumPerformanceNavigationTiming;
export declare function startPerformanceCollection(lifeCycle: LifeCycle, configuration: Configuration): void;
export declare function retrieveInitialDocumentResourceTiming(callback: (timing: RumPerformanceResourceTiming) => void): void;