import type { PeriodMeasurer } from '../types';
export declare class AnimationFPSIM implements PeriodMeasurer {
    /**
     * AFPS stands for Animation Frames Per Second
     */
    name: string;
    monitor: AnimationFPSMonitor;
    start(paused: boolean): {
        numerator: number;
        denominator: number;
        max: number;
        min: number;
        average: number;
    };
    end(): {
        numerator: number;
        denominator: number;
        max: number;
        min: number;
        average: number;
    };
    pause(): void;
    resume(): void;
}
declare class AnimationFPSMonitor {
    paused: boolean;
    private currentState;
    private windowFrameCount;
    private windowTotalTime;
    private currentFrameStart;
    animationFrame?: ReturnType<typeof requestAnimationFrame>;
    private measureWindowFPS;
    /**
     * If there is running tracking - it will be reset
     */
    private startWindowTracking;
    startNewWindow(paused: boolean): {
        numerator: number;
        denominator: number;
        max: number;
        min: number;
        average: number;
    };
    private resetWindow;
    private endWindowTracking;
    private resetOverallTracking;
    end(): {
        numerator: number;
        denominator: number;
        max: number;
        min: number;
        average: number;
    };
    pause(): void;
    resume(): void;
}
export {};