import type { Ref } from 'vue';
declare type ElRef<T extends HTMLElement = HTMLDivElement> = Nullable<T>;
interface ComponentElRef<T extends HTMLElement = HTMLDivElement> {
    $el: T;
}
declare type Nullable<T> = T | null;
interface Fn<T = any, R = T> {
    (...arg: T[]): R;
}
export declare const useScrollToCenter: (scrollRef: Ref<ElRef | ComponentElRef>, opt?: {
    duration?: number;
    callback?: Fn;
    direction?: 'scrollTop' | 'scrollLeft';
}) => {
    scrollToCenter: <T extends HTMLElement = HTMLButtonElement>(buttonEl: T) => void;
};
export {};