import { Ref } from 'vue';
import { AttachInfo } from '../declaration';
export declare function usePositioning(anchor: Ref<HTMLElement>, attachment: Ref<HTMLElement>): {
    isVisible: Ref<boolean, boolean>;
    computedPlacement: Ref<"top" | "bottom" | "left" | "right" | null, "top" | "bottom" | "left" | "right" | null>;
    appear: (attachInfo?: AttachInfo) => void;
    disappear: () => void;
};