import type { LitElement } from 'lit';
import type { Ref } from 'lit/directives/ref.js';
type Constructable<T = Record<string, unknown>> = new (...args: any[]) => T;
export declare class FocusableMixinInterface {
    protected focusableRef: Ref<HTMLElement>;
    focus(options?: FocusOptions): void;
    blur(): void;
    click(): void;
}
export declare function FocusableMixin<T extends Constructable<LitElement>>(superClass: T): Constructable<FocusableMixinInterface> & T;
export {};