type PopupWrapperInfo = {
    id: string;
    escKeydownHandler: (e: KeyboardEvent) => void;
    needPreventDocumentScroll: () => boolean;
    getZIndex: () => number;
};
declare class PopupWrapperManager {
    private popups;
    sortedPopups: PopupWrapperInfo[];
    private isListening;
    add(info: PopupWrapperInfo): void;
    remove(id: string): void;
    getTop(): PopupWrapperInfo | undefined;
    hasPreventScroll(): boolean;
    private findInsertIndex;
    private updateState;
    clearState(): void;
}
export declare const popupWrapperManager: PopupWrapperManager;
export declare const cleanState: () => void;
export declare const usePopupWrapperManager: (info: PopupWrapperInfo) => readonly [() => void, () => void];
export {};