import { AbstractControl, ValidationErrors } from '@angular/forms';
import { AlarmOrEvent } from '../alarm-event-selector.model';
import * as i0 from "@angular/core";
export declare class AlarmEventAttributesFormService {
    duplicateTypeValidator(selectedItems: AlarmOrEvent[]): (control: AbstractControl) => ValidationErrors | null;
    static ɵfac: i0.ɵɵFactoryDeclaration<AlarmEventAttributesFormService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<AlarmEventAttributesFormService>;
}
//# sourceMappingURL=alarm-event-attributes-form.service.d.ts.map