import { AggregationColor } from './color';
import type { ColorGenInput } from './color';
import type { ColorValueType } from './interface';
export declare const generateColor: (color?: ColorGenInput | ColorValueType | null) => AggregationColor;
export declare const getRoundNumber: (value: number) => number;
export declare const getColorAlpha: (color: AggregationColor) => number;