import { ReactiveController, ReactiveElement } from 'lit';
export type TypeRegion = ReactiveElement & {
    _internals?: ElementInternals;
};
export declare function typeRegion<T extends TypeRegion>(): ClassDecorator;
/**
 * Responsible for setting the role attribute of an element to "region" to indicate that the element is a region landmark
 */
export declare class TypeRegionController<T extends TypeRegion> implements ReactiveController {
    private host;
    constructor(host: T);
    hostConnected(): void;
}