import type { ComboBox } from '@vaadin/combo-box';
import { BaseVaadinValueAccessor } from './base-vaadin-value-accessor';
export declare class ComboBoxValueAccessor<TItem> extends BaseVaadinValueAccessor<TItem, ComboBox<TItem>> {
    constructor();
    attach(el: ComboBox<TItem>): void;
    detach(el: ComboBox<TItem>): void;
    readValue(): TItem | null;
    writeValue(value: TItem): void;
    reset(): void;
}