import { CSSFunction, CSSSpace } from "../constants";
export declare type StringColorFormat = "css" | "binary";
export declare type NumberColorFormat = "decimal";
export declare type ColorFormat = StringColorFormat;
export declare type Casing = "lower" | "upper" | "mixed";
/**
 * Formats the hex format of a generated color string according
 * to options specified by user.
 *
 * @param hexColor Hex color string to be formatted.
 * @param options Options object.
 * @param options.prefix Prefix of the generated hex color. Defaults to `'0x'`.
 * @param options.casing Letter type case of the generated hex color. Defaults to `'mixed'`.
 */
export declare function formatHexColor(hexColor: string, options?: {
    prefix?: string;
    casing?: Casing;
}): string;
/**
 * Converts an array of numbers into binary string format.
 *
 * @param values Array of values to be converted.
 */
export declare function toBinary(values: number[]): string;
/**
 * Converts an array of numbers into CSS accepted format.
 *
 * @param values Array of values to be converted.
 * @param cssFunction CSS function to be generated for the color. Defaults to `'rgb'`.
 * @param space Color space to format CSS color function with. Defaults to `'sRGB'`.
 */
export declare function toCSS(values: number[], cssFunction?: CSSFunction, space?: CSSSpace): string;
/**
 * Converts an array of color values to the specified color format.
 *
 * @param values Array of color values to be converted.
 * @param format Format of generated RGB color.
 * @param cssFunction CSS function to be generated for the color. Defaults to `'rgb'`.
 * @param space Color space to format CSS color function with. Defaults to `'sRGB'`.
 */
export declare function toColorFormat(values: number[], format: ColorFormat, cssFunction?: CSSFunction, space?: CSSSpace): string;