import type { ColorData } from '../color-data';
import type { TokenNumber } from '@csstools/css-tokenizer';
import { CSSToken } from '@csstools/css-tokenizer';
export declare function normalize_legacy_sRGB_ChannelValues(tokens: Array<CSSToken>, colorData: ColorData): Array<TokenNumber> | false;
export declare function normalize_modern_sRGB_ChannelValues(tokens: Array<CSSToken>, colorData: ColorData): Array<TokenNumber> | false;