import { ReactiveController, ReactiveElement } from 'lit';
export type StateSelected = ReactiveElement & {
    selected: boolean;
    readonly?: boolean;
    _internals?: ElementInternals;
};
export declare function stateSelected<T extends StateSelected>(): ClassDecorator;
/**
 * Responsible for managing the aria-selected attribute and the --selected CSS state of a element
 */
export declare class StateSelectedController<T extends StateSelected> implements ReactiveController {
    private host;
    constructor(host: T);
    hostConnected(): void;
    hostUpdated(): void;
}