import { ValidationService } from './validation.service';
import * as i0 from "@angular/core";
export declare class FormValidationService {
    private validationService;
    constructor(validationService: ValidationService);
    /**
     * Validate all required questions on a page.
     * Assumes your `page` object has a `pageIndex: number` property.
     */
    validateRequiredQuestions(page: any): {
        isValid: boolean;
        message: string;
    };
    static ɵfac: i0.ɵɵFactoryDeclaration<FormValidationService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<FormValidationService>;
}