import { InternalPlugin } from '../InternalPlugin';
import { PerformancePluginConfig } from '../../plugins/utils/performance-utils';
export declare const WEB_VITAL_EVENT_PLUGIN_ID = "web-vitals";
export declare class WebVitalsPlugin extends InternalPlugin {
    private config;
    constructor(config?: Partial<PerformancePluginConfig>);
    private resourceEventIds;
    private navigationEventId?;
    private cacheLCPCandidates;
    enable(): void;
    disable(): void;
    protected onload(): void;
    private handleEvent;
    private handleLCP;
    private handleCLS;
    private handleFID;
    private handleINP;
    private handleFCP;
    private handleTTFB;
}