import type { FormControl } from './form-control';
import type { AttachmentsStore } from './attachments-store';
export declare class AttachmentsStoreImpl implements AttachmentsStore {
    private readonly _controls;
    /**
     * @internal
     */
    get controls(): ReadonlySet<FormControl<any, any>>;
    /**
     * @internal
     */
    add<TValue, TElement extends HTMLElement>(control: FormControl<TValue, TElement>): void;
    /**
     * @internal
     */
    remove<TValue, TElement extends HTMLElement>(control: FormControl<TValue, TElement>): void;
}