/**
 * Calculates the X component of CIE 1931 XYZ from linear NTSC (1953).
 *
 * @param r The red component of linear NTSC (1953), typically in the range [0, 1].
 * @param g The green component of linear NTSC (1953), typically in the range [0, 1].
 * @param b The blue component of linear NTSC (1953), typically in the range [0, 1].
 *
 * @returns The X component of CIE 1931 XYZ.
 */
export declare const toCIE1931XYZXFromLinearNTSC: (r: number, g: number, b: number) => number;
/**
 * Calculates the Y component of CIE 1931 XYZ from linear NTSC (1953).
 *
 * @param r The red component of linear NTSC (1953), typically in the range [0, 1].
 * @param g The green component of linear NTSC (1953), typically in the range [0, 1].
 * @param b The blue component of linear NTSC (1953), typically in the range [0, 1].
 *
 * @returns The Y component of CIE 1931 XYZ.
 */
export declare const toCIE1931XYZYFromLinearNTSC: (r: number, g: number, b: number) => number;
/**
 * Calculates the Z component of CIE 1931 XYZ from linear NTSC (1953).
 *
 * @param r The red component of linear NTSC (1953), typically in the range [0, 1].
 * @param g The green component of linear NTSC (1953), typically in the range [0, 1].
 * @param b The blue component of linear NTSC (1953), typically in the range [0, 1].
 *
 * @returns The Z component of CIE 1931 XYZ.
 */
export declare const toCIE1931XYZZFromLinearNTSC: (r: number, g: number, b: number) => number;
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