/**
 * NOTE: demos at dev/pending.html
 * NOTE: should apply writing style on event listeners to other files
 * TODO: consider removing popoverController, but in case of tooltip, reserve
 *       for now
 * TODO: hijack all `hidePopover()`s to allow more complex JS animations
 * TODO: simpler Menu that just inherits List - do we really need a separated
 *       Menu? Why not just `<md-list role="presentation">`?
 *
 * Design: TO BE ADDED
 */
import { LitElement, PropertyValues } from 'lit';
import { Placement, Strategy } from '@floating-ui/dom';
import { autoAttachToParent, handleControlChange } from '../mixins/attachable.js';
export declare function lookForTabbable(root: Node): HTMLElement | null;
declare const Popup_base: Constructor<import("../mixins/attachable.js").AttachableInterface> & Constructor<import("../mixins/internals-attached.js").InternalsAttachedInterface> & typeof LitElement;
export declare class Popup extends Popup_base {
    #private;
    open: boolean;
    noFocusControl: boolean;
    placement: Placement;
    strategy: Strategy;
    offset: number;
    windowPadding: number;
    static styles: any[];
    render(): import("lit-html").TemplateResult<1>;
    constructor();
    connectedCallback(): void;
    disconnectedCallback(): void;
    protected updated(changedProperties: PropertyValues<this>): void;
    [autoAttachToParent]: boolean;
    [handleControlChange](prev: HTMLElement | null, next: HTMLElement | null): void;
    toggle(): Promise<void>;
    show(): Promise<void>;
    hide(): Promise<void>;
    _show(): Promise<void>;
    _hide(): Promise<void>;
    _cleanup(): void;
}
export {};