/**
 * Copyright (c) 2019-present Houfeng
 * @author Houfeng <admin@xhou.net>
 */
/// <reference types="react" />
import { Tool } from "../../Tool";
import { ZoomToolModel } from "./ZoomToolModel";
import { IListItem } from "../../IListSource";
/**
 * 缩放工具项
 */
export declare class ZoolTool extends Tool {
    model: ZoomToolModel;
    componentDidMount(): void;
    zoomTimer: any;
    startZoom: (scale: number) => void;
    stopZoom: () => void;
    zoomIn: () => void;
    zoomOut: () => void;
    setScale: (value: number) => void;
    renderItem: (item: IListItem) => JSX.Element;
    renderItems(): JSX.Element;
    /**
     * 渲染工具项图标按钮
     */
    render(): JSX.Element;
}