/**
 * Copyright (c) 2019-present Houfeng
 * @author Houfeng <admin@xhou.net>
 */
/// <reference types="react" />
import { ToolItem } from "../../ToolItem";
import { IListItem } from "../../../IListSource";
export declare class LineHeight extends ToolItem {
    icon: string;
    title: string;
    setLineHeight: (lineHeight: string) => void;
    renderItem: (item: IListItem) => JSX.Element;
    renderItems(): JSX.Element;
    render(): JSX.Element;
}