declare const _default: (hex: string, alpha?: number) => string;
/**
 * @param {string} hex - Hex values of the color.
 * @param {number} alpha - Alpha channel that wanted to be added to the hex.
 * @return {string} Combined hex and alpha values in rgba format.
 * @description Convert hex value into rgba format. If the `alpha` isn't provided, it will be defaulted to 1.
 */
export default _default;