import { EventEmitter } from "@angular/core";
import { IOptionGroup } from "./radio-button.model";
export declare class RadioGroupComponent {
    private _direction;
    private _selectedValue;
    classes: string;
    legend: string;
    options: IOptionGroup;
    disabled: boolean;
    testId: string;
    value: string;
    valueChange: EventEmitter<string>;
    direction: string;
    onValueChanged(value: any): void;
    private isOptionExists(value);
}