/**
 * Parse and highlight HTML and extension tags.
 *
 * Distinguishes between HTML tags (e.g., <div>) and extension tags (e.g., <nowiki>).
 * Assumes discrete tokens are emitted by the WASM tokenizer.
 *
 * @param text - Tag text, e.g., "<nowiki>" or inner content
 * @param className - Tokenizer class hint (e.g., wt-ext-pre-start)
 * @param extensionTags - List of recognized extension tags
 * @returns HTML string with tag classes
 */
export declare function parseTag(text: string, className: string | undefined, extensionTags: string[]): string;