import type { PickerOptionData } from "../picker/picker.shared";
export interface AreaData {
    province_list: Record<string, string>;
    city_list: Record<string, string>;
    county_list: Record<string, string>;
}
export declare const AREA_EMPTY_CODE = "000000";
export declare function formatDataForCascade({ areaList, columnsNum, columnsPlaceholder: placeholder, }: {
    areaList: AreaData;
    columnsNum: number;
    columnsPlaceholder?: string[];
}): readonly [PickerOptionData[], Map<string, PickerOptionData>, Map<string, PickerOptionData>];