/**
 * Options for creating a slide-in animation.
 */
export type SlideInAnimationOptions = {
    startSize: number;
    targetSize: number;
    onUpdate: (size: number) => void;
    onComplete: () => void;
};
/**
 * Options for creating a slide-out animation.
 */
export type SlideOutAnimationOptions = {
    startSize: number;
    targetSize: number;
    onUpdate: (size: number) => void;
    onComplete: () => void;
};
/**
 * Create and start a slide-in animation using requestAnimationFrame.
 *
 * @param options - Animation options
 */
export declare function createSlideInAnimation(options: SlideInAnimationOptions): void;
/**
 * Create and start a slide-out animation using requestAnimationFrame.
 *
 * @param options - Animation options
 */
export declare function createSlideOutAnimation(options: SlideOutAnimationOptions): void;