export declare function htmlToMarkdown(html: string): string;
export declare function cleanHtml(html: string): string;
export declare function htmlToText(html: string): string;
export declare function extractJsonFromMixedContent(content: string): {
    json: any;
    remainingContent: string;
} | null;
export declare function cleanExtractedJson(jsonData: any): any;
export declare function extractJsonWithPackage(content: string): {
    json: any;
    remainingContent: string;
} | null;