import { EventEmitter } from '@angular/core';
import { NzFormatEmitEvent, NzTreeNode, NzTreeNodeOptions } from 'ng-zorro-antd/tree';
export declare class TreeMultiSelectComponent {
    titleField: string;
    keyField: string;
    childrenField: string;
    set treeNodes(value: any[]);
    set defaultCheckedKeys(value: any[]);
    inputPlaceholder: string;
    checkedChange: EventEmitter<any>;
    searchValue: string;
    nodes: NzTreeNodeOptions[] | NzTreeNode[];
    checkedKeys: any[];
    selectData: any[];
    /**
     * 转换树节点
     *
     * @param {*} value
     * @return {*}  {NzTreeNodeOptions[]}
     * @memberof TreeMultiSelectComponent
     */
    conversionNodes(value: any): NzTreeNodeOptions[];
    /**
     * 点击树节点 Checkbox 触发
     *
     * @param {*} event
     * @memberof TreeMultiSelectComponent
     */
    nzCheckBoxEvent(event: NzFormatEmitEvent): void;
}