import { FormGroup, FormBuilder } from '@angular/forms';
import { AuthService } from './auth.service';
import { CheckoutProcessState } from '../classes/checkout-process-state';
export declare class DataformService {
    private fb;
    private authService;
    private stateSubject;
    state: import("rxjs").Observable<CheckoutProcessState>;
    checkoutForm: FormGroup;
    constructor(fb: FormBuilder, authService: AuthService);
    isValid: () => boolean;
    change: () => void;
}
