/**
 * Calculates the X component of CIE 1931 XYZ from CIELAB.
 * The b component is omitted because it is unnecessary for the conversion.
 *
 * @param l The luminance component of CIELAB, range [0, 1].
 * @param a The a component of CIELAB, unbounded.
 *
 * @returns The X component of CIE 1931 XYZ.
 * @see https://en.wikipedia.org/wiki/CIELAB_color_space#From_CIELAB_to_CIEXYZ
 */
export declare const toCIE1931XYZXFromCIELAB: (l: number, a: number) => number;
/**
 * Calculates the Y component of CIE 1931 XYZ from CIELAB.
 * The a and b components are omitted because they are unnecessary for the conversion.
 *
 * @param l The luminance component of CIELAB, range [0, 1].
 *
 * @returns The Y component of CIE 1931 XYZ.
 * @see https://en.wikipedia.org/wiki/CIELAB_color_space#From_CIELAB_to_CIEXYZ
 */
export declare const toCIE1931XYZYFromCIELAB: (l: number) => number;
/**
 * Calculates the Z component of CIE 1931 XYZ from CIELAB.
 * The a component is omitted because it is unnecessary for the conversion.
 *
 * @param l The luminance component of CIELAB, range [0, 1].
 * @param b The b component of CIELAB, unbounded.
 *
 * @returns The Z component of CIE 1931 XYZ.
 * @see https://en.wikipedia.org/wiki/CIELAB_color_space#From_CIELAB_to_CIEXYZ
 */
export declare const toCIE1931XYZZFromCIELAB: (l: number, b: number) => number;
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