export declare const DEFAULT_COLORS: {
    key: string;
    color: string;
}[];
/**
 * Gets the color value for a given key from the colors array
 * Tries to match by key first, then falls back to index-based lookup
 * @param dataKey - The key to match against color objects
 * @param colors - Array of color objects or strings
 * @param index - Fallback index if key match is not found
 * @returns The color string value
 */
export declare const getColorByKey: (dataKey: string, colors: Array<{
    key: string;
    color: string;
} | string>, index: number) => string;