import { ComputedRef, Ref } from 'vue';
import { Key } from '../../interface';
export interface ListPositionStackConfig {
    threshold?: number;
    offset?: number;
}
/**
 * Calculates each notification's position and the full list height.
 * Mirrors rc-notification@2.0 useListPosition.
 */
export default function useListPosition(configList: ComputedRef<{
    key: Key;
}[]>, stack: ComputedRef<ListPositionStackConfig | undefined>, gap: Ref<number>): readonly [ComputedRef<{
    notificationPosition: Map<string, number>;
    totalHeight: number;
    topNoticeHeight: number | undefined;
    topNoticeWidth: number | undefined;
}>, (key: string, node: HTMLDivElement | null) => void];