import { AbstractControl, FormGroup } from '@angular/forms';
import { Observable } from 'rxjs';
import { Form } from '../models/form';
import * as i0 from "@angular/core";
/**
 * Service to handle form-related operations such as validation and focus management.
 */
export declare class FormService {
    private readonly _focusRequested;
    readonly focusRequested: Observable<AbstractControl>;
    constructor();
    /**
     * Requests to focus on the specified control.
     */
    readonly requestFocus: (control: AbstractControl) => void;
    /**
     * Validates the form and returns whether it is valid. If any invalid control found, it automatically scrolls to it.
     */
    validate<TForm extends Form>(form: TForm, scrollToInvalid?: boolean): Promise<boolean>;
    getInvalidControl(formGroup: FormGroup): AbstractControl | null;
    private _isValid;
    static ɵfac: i0.ɵɵFactoryDeclaration<FormService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<FormService>;
}