import type { Color, ColorOp, ReadonlyColor } from "../api.js";
/**
 * Converts CIE XYZ to RGB using provided transformation/whitepoint matrix
 * (default: {@link XYZ_RGB_D50}).
 *
 * https://en.wikipedia.org/wiki/CIE_1931_color_space
 *
 * @param out - result
 * @param src - source color
 */
export declare const xyzRgb: (out: Color | null, src: ReadonlyColor, mat?: number[]) => import("@thi.ng/vectors").Vec<number>;
/**
 * Same as {@link xyzRgb}, but hard coded to use {@link D65} white point (via
 * {@link XYZ_RGB_D65} matrix).
 *
 * @param out -
 * @param src -
 */
export declare const xyzRgbD65: ColorOp;
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