import type { Color } from 'types/color';
/**
 * Convert an array of rec2020 RGB values in the range 0.0 - 1.0
 * to linear light (un-companded) form.
 * ITU-R BT.2020-2 p.4
 *
 * @license W3C https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document
 *
 * @copyright This software or document includes material copied from or derived from https://github.com/w3c/csswg-drafts/blob/main/css-color-4/conversions.js. Copyright © 2022 W3C® (MIT, ERCIM, Keio, Beihang).
 */
export declare function lin_2020(RGB: Color): Color;