import { FormOptionSelector } from '../../option/impl/form-option-selector';
import { Option } from '../../option/option';
import { OptionGroup } from '../../option/option-group';
import { OptionGroupItem } from '../../option/option-group-item';
import { FormItem } from '../form-item';
import { FormItemImpl } from './form-item-impl';
export declare abstract class OptionGroupItemImpl<O extends Option<any>> extends FormItemImpl<Array<string>> implements OptionGroupItem<O, Array<string>> {
    minSelections: number;
    maxSelections: number;
    options: Array<FormOptionSelector<O>>;
    optionSubsets: Array<OptionGroup<O>>;
    resolved: boolean;
    optionItemMap: {
        [id: string]: FormItem;
    };
}