/**
 * Opacity Utilities
 *
 * Helper functions for opacity-related calculations
 */
/**
 * Converts intensity value to opacity for glassmorphism effects
 * @param intensity - Intensity value (0-100)
 * @param options - Configuration options
 * @returns Opacity value (0-1)
 */
export declare function intensityToOpacity(intensity: number, options?: {
    minOpacity?: number;
    maxOpacity?: number;
    invert?: boolean;
}): number;
/**
 * Creates an RGBA color string with specified opacity
 * @param rgb - RGB color as array [r, g, b]
 * @param opacity - Opacity value (0-1)
 * @returns RGBA color string
 */
export declare function createRgbaColor(rgb: [number, number, number], opacity: number): string;
/**
 * Calculates opacity based on a ratio (0-1)
 * @param ratio - Ratio value (0-1)
 * @param minOpacity - Minimum opacity (default: 0.1)
 * @param maxOpacity - Maximum opacity (default: 1)
 * @returns Opacity value (0-1)
 */
export declare function ratioToOpacity(ratio: number, minOpacity?: number, maxOpacity?: number): number;