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