import { SzFormErrorsInterface } from '../../sz-form-errors/model/SzFormErrorsInterface';
import { SzorbaValidatorsInterface } from '../model/SzorbaValidatorsInterface';
export interface OptionalInterface {
    optional: boolean;
}
export interface OptionalFormInterface extends OptionalInterface, SzorbaValidatorsInterface, SzFormErrorsInterface {
    elementRef: {
        nativeElement: {
            required: boolean;
        };
    };
    setOptional(optional: boolean): void;
}
export declare class OptionalValidatorUtil {
    static setupProperty(optional: boolean, formComponent: OptionalFormInterface): void;
}