import { ReactiveController, ReactiveElement } from 'lit';
export type InteractionExpand = ReactiveElement & {
    interactionExpandControllerConfig?: InteractionExpandConfig;
    interaction?: 'auto';
    expanded: boolean;
};
export interface InteractionExpandConfig {
    keynav?: 'inline' | 'block';
}
export declare function interactionExpand<T extends InteractionExpand>(fn?: (host: T) => InteractionExpandConfig): ClassDecorator;
/**
 * @event open
 * @event close
 * responsible for managing the closable behavior of an element
 */
export declare class InteractionExpandController<T extends InteractionExpand> implements ReactiveController {
    #private;
    private host;
    constructor(host: T);
    hostConnected(): void;
    toggle(): void;
    open(): void;
    close(): void;
}