import { graphic } from 'echarts';
export declare type ColorLike = string | [string, string];
export declare type ZColor = graphic.LinearGradient | string;
/**
 * 颜色转换
 * @param colors 字符串颜色
 * @returns 符合 Echarts 的颜色值
 */
export declare function getColorFromArray(colors: ColorLike[], direction?: [number, number, number, number]): ZColor[];
export declare function color2AColor(color: string, alpha?: number): string;