/**
 * @param {Element} el
 * @param {() => void} [done]
 * @param {{ transformOrigin?: string, duration?: number, ease?: string }} [opts]
 */
export function enterDropdownAnimation(el: Element, done?: () => void, opts?: {
    transformOrigin?: string;
    duration?: number;
    ease?: string;
}): void;
/**
 * @param {Element} el
 * @param {() => void} [done]
 * @param {{ transformOrigin?: string, duration?: number, ease?: string }} [opts]
 */
export function leaveDropdownAnimation(el: Element, done?: () => void, opts?: {
    transformOrigin?: string;
    duration?: number;
    ease?: string;
}): void;