import { MaybeRefOrGetter, Ref } from 'vue';
import { OpenAlignment } from './useOpenAlignment.js';
import { VueTemplateRefElement } from './useResizeObserver.js';
export type AnchorPosition = "top" | "top right" | "top left" | "right" | "bottom" | "bottom right" | "bottom left" | "left";
type UseAnchorPositionPolyfillOptions = {
    positionedRef: Ref<VueTemplateRefElement>;
    targetRef: Ref<VueTemplateRefElement>;
    positionArea: MaybeRefOrGetter<AnchorPosition>;
    alignment: MaybeRefOrGetter<OpenAlignment>;
    alignsWithEdge: MaybeRefOrGetter<boolean>;
    fitParent: MaybeRefOrGetter<boolean>;
    offset?: number;
};
export declare const useAnchorPositionPolyfill: ({ positionedRef, targetRef, positionArea, alignment, alignsWithEdge, fitParent, offset, }: UseAnchorPositionPolyfillOptions) => {
    leftPosition: Ref<string, string>;
    topPosition: Ref<string, string>;
    updateAnchorPositionPolyfill: () => void;
    useragentSupportsAnchorApi: Ref<boolean, boolean>;
};
export {};