import { LitElement, PropertyValues } from '../../base';
import { AnchorRect } from './anchor-rect';
export type OverlayAnchor = {
    anchor: string;
    scope: string;
    bounds: () => AnchorRect;
    /** Returns true to prevent default event dispatch */
    selected?: () => void | boolean;
};
export interface OverlayAnchorElementProps extends OverlayAnchor {
    snug?: boolean;
}
/**
 * element for marking anchor in application guidance
 */
export declare class OverlayAnchorElement extends LitElement implements OverlayAnchorElementProps {
    /**
     * id/tag of the element
     */
    anchor: string;
    /**
     * the scope which this anchor should appear in
     */
    scope: string;
    /**
     * apply padding to container of anchor
     */
    snug?: boolean;
    /**
     * subscriber collection of this element
     */
    protected _disconnectedCallbacks: VoidFunction[];
    /**
     * calculated bounds for the element and children.
     * applies padding if not snug
     */
    bounds(): AnchorRect;
    /**
     * @override this element does not need a shadow dom
     */
    createRenderRoot(): HTMLElement;
    /**
     * @override add default styling and notify observers
     */
    connectedCallback(): void;
    /**
     * @override callback all observers when removed from dom
     */
    disconnectedCallback(): void;
    protected _disconnect(): void;
    protected updated(props: PropertyValues): void;
    protected _connect2overlay(): void;
}
export default OverlayAnchorElement;