/**
 * Teleport helps resolving z-index issues of overlapping popup elements.
 * Initiate it in your component's connectedCallback.
 * Call activate() to teleport the object.
 * Call deactivate() to resume the object to its original place.
 * Call observeDeletion() to activate deleteionObserver.
 * Call makeSiblingsInert() to add inert attribute to sibling elements.
 * Call removeInertFromSiblings() to remove inert attribute from sibling elements.
 */
export declare class Teleport {
    element: HTMLElement;
    target: HTMLElement;
    stub: HTMLElement;
    teleportId: string;
    deletionObserver: MutationObserver;
    get isActive(): boolean;
    constructor(element: HTMLElement, target?: HTMLElement);
    activate(): void;
    deactivate(): void;
    observeDeletion(): void;
    makeSiblingsInert(): void;
    removeInertFromSiblings(delay?: number): void;
    private _isTeleportSkipped;
    private _observeDeletion;
    private _activate;
    private _deactivate;
    private _remove;
    private readonly skipInert;
    private _makeSiblingsInert;
    private _removeInertFromSiblings;
    /**
     * If the teleported element or its component (observed via stub) is removed from DOM, clean up the teleport.
     */
    private _deletionObserverCallback;
}