import type { ScaleName, ScaleType, ScaledChannelName } from './types.js';
export declare const SCALE_TYPES: Record<ScaleName, symbol>;
export declare const SCALES: ScaleName[];
export declare const VALID_SCALE_TYPES: Record<ScaleName, Set<ScaleType>>;
/**
 * Map of all scaled channels
 */
export declare const CHANNEL_SCALE: Record<ScaledChannelName, ScaleName>;
export declare const CSS_VAR: RegExp;
export declare const CSS_COLOR: RegExp;
export declare const CSS_COLOR_MIX: RegExp;
export declare const CSS_COLOR_CONTRAST: RegExp;
export declare const CSS_RGBA: RegExp;
export declare const CSS_URL: RegExp;