import React from 'react';
import { type OverlayLayer } from '../resolvers/resolveOverlayZIndex';
export interface OverlayEntry {
    id: string;
    layer: OverlayLayer;
    node: React.ReactNode;
    order: number;
    zIndex: number;
}
export interface OverlayDescriptor {
    layer: OverlayLayer;
    node: React.ReactNode;
}
export interface OverlayStackActions {
    setOverlay: (id: string, overlay: OverlayDescriptor) => void;
    removeOverlay: (id: string) => void;
}
export interface OverlayStackRuntime extends OverlayStackActions {
    overlays: OverlayEntry[];
}
export declare function sortOverlayEntries(entries: OverlayEntry[]): OverlayEntry[];
export declare const OverlayStackContext: React.Context<OverlayStackRuntime | null>;
export declare const OverlayStackActionsContext: React.Context<OverlayStackActions | null>;
export declare function useOverlayStackActions(): OverlayStackActions | null;
export declare function createOverlayEntry(id: string, order: number, descriptor: OverlayDescriptor): OverlayEntry;
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