import type { Ref } from 'vue';
import type VvDropdown from '@/components/VvDropdown/VvDropdown.vue';
export declare function useDropdownVirtualElement(dropdownEl: Ref<typeof VvDropdown>): {
    x: Ref<number, number>;
    y: Ref<number, number>;
    getBoundingClientRect: () => {
        width: number;
        height: number;
        x: number;
        y: number;
        top: number;
        left: number;
        right: number;
        bottom: number;
    };
    onScroll: (event: HTMLElementEventMap["scroll"]) => void;
};