/**
 * Extracts topics from the given text
 * @param text The text to extract topics from
 * @param limit Optional limit for the number of topics to return
 * @returns An array of extracted topics
 */
export declare function extractTopics(text: string, limit?: number): string[];
/**
 * Suggests related topics based on the extracted topics
 * @param topics The already extracted topics
 * @returns An array of related topics
 */
export declare function suggestRelatedTopics(topics: string[]): string[];