import { ReactiveController, ReactiveElement } from 'lit';
export type TypeClosable = ReactiveElement & {
    _internals?: ElementInternals;
    closable: boolean;
    hidden: boolean;
};
export declare function typeClosable<T extends TypeClosable>(): ClassDecorator;
/**
 * Responsible determining if the element is closable
 *
 * @event close
 * @event open
 * @command --toggle
 * @command --close
 * @command --open
 * @cssstate open
 * @cssstate close
 */
export declare class TypeClosableController<T extends TypeClosable> implements ReactiveController {
    #private;
    private host;
    constructor(host: T);
    hostConnected(): void;
    hostUpdated(): void;
    toggle(): Promise<void>;
    close(): Promise<void>;
    open(): Promise<void>;
}