import { UntypedFormGroup, UntypedFormControl } from '@angular/forms';
export declare class FormUtil {
    /** It triggers the validation of every form-control from a formGroup */
    static validateFormFields(formGroup: UntypedFormGroup): void;
    /** It returns a set of invalid controls */
    static getInvalidControls(formGroup: UntypedFormGroup): any[];
    /** It validates if a formcontrol has any error */
    static hasErrors(formControl: UntypedFormControl): boolean;
    /** It validates if a formcontrol has a specific error */
    static hasError(formControl: UntypedFormControl, error: string): any;
}