import type { ComputedRef, InjectionKey } from 'vue';
import type { H0OverlayLayer } from './Overlay.types';
export type H0OverlayContext = {
    layer: ComputedRef<H0OverlayLayer>;
    offset: ComputedRef<number>;
};
export declare const h0OverlayContextKey: InjectionKey<H0OverlayContext>;
export declare function toH0OverlayZIndex(layer: H0OverlayLayer, offset?: number): string;