import { FormService } from '../form.service';
import { ElementRef } from '@angular/core';
import { FormGroup } from '@angular/forms';
import { InputBase } from '../input-base/input-base.component';
import { RadioGroupService } from './radio-group.service';
export declare class RadioGroupComponent extends InputBase {
    private service;
    fg: FormGroup;
    field: string;
    disabled: boolean;
    defaultValue: string;
    alt: boolean;
    constructor(el: ElementRef, service: RadioGroupService, formService: FormService);
    ngOnInit(): void;
    addValidators(): void;
}