import { InternalPlugin } from '../InternalPlugin';
export declare const TTI_EVENT_PLUGIN_ID = "time-to-interactive";
export declare class TTIPlugin extends InternalPlugin {
    protected fpsEnabled: boolean;
    private prerenderedPageLoad;
    private normalPageLoad;
    constructor(fpsMeasurementEnabled?: boolean);
    enable(): void;
    disable(): void;
    configure(): void;
    onload(): void;
    private recordTTIEvent;
    private checkPrerenderingActivity;
    private handleTTI;
}