/**
 * RGB color representation.
 */
export interface RGB {
    r: number;
    g: number;
    b: number;
}
/**
 * Generates a random RGB color.
 *
 * @returns An RGB object with random r, g, b values (0-255).
 *
 * @example
 * // Generate random RGB color
 * randomRGB(); // { r: 142, g: 68, b: 219 }
 *
 * @example
 * // Use in CSS
 * const color = randomRGB();
 * const css = `rgb(${color.r}, ${color.g}, ${color.b})`;
 * // 'rgb(142, 68, 219)'
 *
 * @note Uses Math.random() for non-cryptographic randomness.
 *
 * @complexity Time: O(1), Space: O(1)
 */
export declare function randomRGB(): RGB;
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