import { ICCColorSpace } from './icc-color-space.ts';
/**
 * A device color space supported in PDF: `DeviceGray`, `DeviceRGB`,
 * or `DeviceCMYK`.
 */
export type DeviceColorSpace = 'DeviceGray' | 'DeviceRGB' | 'DeviceCMYK';
/**
 * A color space used in PDF, which can be either a device color space
 * or an ICC-based color space.
 */
export type ColorSpace = DeviceColorSpace | ICCColorSpace;
/**
 * A color value that bundles a color space with its component values.
 */
export type Color = {
    colorSpace: ColorSpace;
    components: number[];
};
export declare function verifyColor(color: Color): void;
export declare function deviceColorSpaceFrom(numComponents: 1 | 3 | 4): DeviceColorSpace;
export declare function getNumComponents(colorSpace: ColorSpace): number;
export declare function colorSpaceKey(colorSpace: ColorSpace): string;