/**
 * @license
 * Copyright Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
/**
 * @fileoverview CSS tokenizer implementing
 * https://www.w3.org/TR/2021/CRD-css-syntax-3-20211224/#tokenization.
 *
 * While the tokenizer attempts to be as close to the spec as possible, there
 * are are certain willful violations, which are described in the comments.
 */
import { CssToken } from './tokens.js';
/**
 * Tokenizes the given CSS string.
 *
 * @param css The CSS string to tokenize.
 * @return The list of tokens.
 */
export declare function tokenizeCss(css: string): CssToken[];