/**
 * Convert CMYK color values to RGBA color space
 * @param {number} c Cyan percentage (0-100)
 * @param {number} m Magenta percentage (0-100)
 * @param {number} y Yellow percentage (0-100)
 * @param {number} k Key/Black percentage (0-100)
 * @param {number} a Alpha value (0-1)
 * @returns {Object} RGBA values (r, g, b as 0-255, a as 0-1)
 * @example cmykToRgba(100, 100, 0, 60.78) // { r: 0, g: 0, b: 100, a: 1 }
 */
export declare const cmykToRgba: (c: number, m: number, y: number, k: number, a?: number) => {
    r: number;
    g: number;
    b: number;
    a: number;
};