import type { CSSProperties, MaybeRefOrGetter, Ref } from "vue";
export type XyOverlayPlacement = "bottom" | "bottomLeft" | "bottomRight" | "left" | "leftBottom" | "leftTop" | "right" | "rightBottom" | "rightTop" | "top" | "topLeft" | "topRight";
export type XyOverlayStrategy = "absolute" | "fixed";
export interface XyOverlayRect {
    bottom: number;
    height: number;
    left: number;
    right: number;
    top: number;
    width: number;
}
export interface XyOverlayBoundary {
    height: number;
    width: number;
}
export interface XyOverlayPositionOptions {
    boundary?: XyOverlayBoundary;
    offset?: number;
    placement?: XyOverlayPlacement;
    strategy?: XyOverlayStrategy;
    viewportPadding?: number;
}
export interface XyOverlayPosition {
    left: number;
    placement: XyOverlayPlacement;
    strategy: XyOverlayStrategy;
    top: number;
    transformOrigin: string;
}
export interface XyUseOverlayPositionOptions {
    anchorRect?: MaybeRefOrGetter<XyOverlayRect | undefined>;
    autoAdjust?: MaybeRefOrGetter<boolean | undefined>;
    boundary?: MaybeRefOrGetter<XyOverlayBoundary | undefined>;
    offset?: MaybeRefOrGetter<number | undefined>;
    open?: MaybeRefOrGetter<boolean | undefined>;
    overlayRef: Ref<HTMLElement | undefined>;
    placement?: MaybeRefOrGetter<XyOverlayPlacement | undefined>;
    strategy?: MaybeRefOrGetter<XyOverlayStrategy | undefined>;
    triggerRef: Ref<HTMLElement | undefined>;
    viewportPadding?: MaybeRefOrGetter<number | undefined>;
}
export declare function createOverlayStack(base?: number): {
    current(): number;
    next(): number;
    reset(nextBase?: number): void;
};
export declare const xyOverlayStack: {
    current(): number;
    next(): number;
    reset(nextBase?: number): void;
};
export declare function getOverlayTransformOrigin(placement: XyOverlayPlacement): "bottom center" | "top center" | "right center" | "left center";
export declare function getOverlayPosition(triggerRect: XyOverlayRect, overlayRect: Pick<XyOverlayRect, "height" | "width">, options?: XyOverlayPositionOptions): XyOverlayPosition;
export declare function useOverlayPosition(options: XyUseOverlayPositionOptions): {
    cleanup: () => void;
    overlayStyle: import("vue").ComputedRef<CSSProperties>;
    position: Ref<XyOverlayPosition | undefined, XyOverlayPosition | undefined>;
    updatePosition: () => void;
    updatePositionAfterRender: () => Promise<void>;
};