import { OnChanges, EventEmitter, SimpleChanges } from '@angular/core';
export declare class MultistageCascadeComponent implements OnChanges {
    active: string;
    allData: any[];
    isError: boolean;
    disabled: boolean;
    placeholder: string;
    idField: string;
    textField: string;
    childrenField: string;
    anyLevelSelection: any;
    choosedData: EventEmitter<any>;
    activeDataArr: any;
    selectedOptionsObj: any;
    addNew: any;
    constructor();
    ngOnChanges(changes: SimpleChanges): void;
    /**
     * 初始化已选数据展示
     */
    initSelectedOptions(): void;
    /**
     * 更改级联选项
     */
    changeCascadeData(type: any, event: any, index: any): void;
    /**
     * 修改级联数组和对象
     */
    changeCascade(value: any, type: any, index: any): void;
}