import type { Ref, StyleValue } from 'vue';
import type { MaybeRef } from '@vueuse/shared';
type UseVirtualListItemSize = number | ((index: number) => number);
export type UseVirtualListOptions = {
    /**
     * item height, accept a pixel value or a function that returns the height
     *
     * @default 0
     */
    disabled?: boolean;
    itemHeight: UseVirtualListItemSize;
    topOffset: number;
    bottomOffset: number;
    /**
     * the extra buffer items outside of the view area
     *
     * @default 5
     */
    overscan?: number;
};
export interface UseVirtualListItem<T> {
    data: T;
    index: number;
}
export interface UseVirtualListReturn<T> {
    list: Ref<UseVirtualListItem<T>[]>;
    scrollTo: (index: number) => void;
    reset: () => void;
    containerProps: {
        ref: Ref<HTMLElement | null>;
        style: StyleValue;
        onScroll: () => void;
    };
    wrapperProps: MaybeRef<{
        style?: {
            width: string;
            height: string;
            marginTop: string;
        } | {
            width: string;
            height: string;
            marginLeft: string;
            display: string;
        };
    }>;
}
export declare function useVirtualList<T = any>(list: MaybeRef<T[]>, options: UseVirtualListOptions): UseVirtualListReturn<T>;
export {};