import { Vector4 } from "../type_definitions/array_type_definitions.js";
export declare enum ColorModel {
    RGB = 0,
    HSV = 1
}
/** `rgb` is in the `[0, 1]` space, alpha is not changed  */
export declare function rgbToHSV<T extends Vector4>(rgb: Readonly<T>): T;
export declare function rgbToHSV<T extends Vector4>(rgb: Readonly<Vector4>, out: T): T;
/** alpha is not changed */
export declare function hsvToRGB<T extends Vector4>(hsv: Readonly<T>): T;
export declare function hsvToRGB<T extends Vector4>(hsv: Readonly<Vector4>, out: T): T;
export declare function colorNormalizedToInt<T extends Vector4>(color: Readonly<T>): T;
export declare function colorNormalizedToInt<T extends Vector4>(color: Readonly<Vector4>, out: T): T;
export declare function colorIntToNormalized<T extends Vector4>(color: Readonly<T>): T;
export declare function colorIntToNormalized<T extends Vector4>(color: Readonly<Vector4>, out: T): T;
export declare const ColorUtils: {
    readonly rgbToHSV: typeof rgbToHSV;
    readonly hsvToRGB: typeof hsvToRGB;
    readonly colorNormalizedToInt: typeof colorNormalizedToInt;
    readonly colorIntToNormalized: typeof colorIntToNormalized;
};