export interface Modal {
    modalRef?: HTMLElement | null;
    mountNode?: HTMLElement | null;
}
export interface Container {
    modals: Modal[];
    container: HTMLElement;
    restore: (() => void) | null;
    hiddenSiblingNodes: HTMLElement[];
}
interface ModalProps {
    disableScrollLock?: boolean;
}
export declare const ariaHidden: (node: HTMLElement, show: boolean) => void;
/**
 * Proper state management for containers and the modals in those containers.
 * Used by the Modal to ensure proper styling of containers.
 */
export declare class ModalManager {
    modals: Modal[];
    containers: Container[];
    constructor();
    isTopModal(modal: Modal): boolean;
    add(modal: Modal, container: HTMLElement): number;
    mount(modal: Modal, props: ModalProps): void;
    remove(modal: Modal): number;
}
export {};