import { FieldType } from "@kre-form/core";
import { KreFormAntService } from "../../tools/service";
import { NzModalService } from "ng-zorro-antd/modal";
import { KreDialogService } from "../../service/dialog.service";
export declare class KreSurveyCascader extends FieldType {
    private modal;
    kreDialogService: KreDialogService;
    service: any;
    guid: any;
    values: string[] | null;
    constructor(dyService: KreFormAntService, modal: NzModalService, kreDialogService: KreDialogService);
    addOption(): void;
}