import { AsyncDirective, type ElementPart, type PartInfo } from '../index.js';
/** What {@link elementRefDirective} fills. */
export interface ElementRefTarget {
    set(element: Element, options: unknown): void;
    delete(element: Element): boolean;
}
declare class ElementRefDirective extends AsyncDirective {
    target?: ElementRefTarget;
    element?: Element;
    options?: unknown;
    constructor(partInfo: PartInfo);
    render(target: ElementRefTarget, options: unknown): symbol;
    update(part: ElementPart, [target, options]: [ElementRefTarget, unknown]): symbol;
    disconnected(): void;
    reconnected(): void;
}
/** One class for every reference, as lit identifies a directive by its class. */
export declare const elementRefDirective: (target: ElementRefTarget, options: unknown) => import("lit-html/directive.js").DirectiveResult<typeof ElementRefDirective>;
export {};
//# sourceMappingURL=ElementRefDirective.d.ts.map