declare class FMPTiming {
    fmpTime: number;
    private statusCollector;
    private flag;
    private observer;
    private callbackCount;
    private entries;
    constructor();
    private getFirstSnapShot;
    private initObserver;
    private calculateFinalScore;
    private getFmpTime;
    /**
     * The nodes with the highest score in the visible area are collected and the average value is taken,
     * and the low score ones are eliminated
     */
    private filterResult;
    private checkNeedCancel;
    private getTreeScore;
    private calcaulteGrades;
    private calculateAreaParent;
    private setTag;
}
export default FMPTiming;