import { FormItem } from '../item/form-item';
import { ValueItem } from '../item/value-item';
import { FormOptionSelector } from './impl/form-option-selector';
import { Option } from './option';
export interface OptionItem<O extends Option<any>, V extends any> extends ValueItem<V> {
    option: FormOptionSelector<O>;
    optionItemMap: {
        [id: string]: FormItem;
    };
}
export declare function instanceOfOptionItem(obj: any): obj is OptionItem<any, any>;