import * as i0 from "@angular/core";
export type HeadwindAnimatorListener = () => void;
export declare class HeadwindAnimator {
    private _frame;
    private _animating;
    private _registeredListeners;
    get hasListeners(): boolean;
    addListener(listener: HeadwindAnimatorListener): void;
    removeListener(listener: HeadwindAnimatorListener): void;
    private _runAnimation;
    private _stopAnimation;
    static ɵfac: i0.ɵɵFactoryDeclaration<HeadwindAnimator, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<HeadwindAnimator>;
}