import type { Picker } from '@spectrum-web-components/picker';
import { BaseSpectrumValueAccessor } from './base-spectrum-value-accessor';
export declare class PickerValueAccessor extends BaseSpectrumValueAccessor<string, Picker> {
    constructor();
    attach(el: Picker): void;
    detach(el: Picker): void;
    readValue(): string | null;
    writeValue(value: string): void;
    reset(): void;
}