import { Content } from './types';
/**
 * Encodes content for storage in the database
 * Converts binary data to base64 strings for JSON serialization
 */
export declare function encodeContent(content: Content): Record<string, any>;
/**
 * Decodes content from the database
 * Converts base64 strings back to binary data
 */
export declare function decodeContent(content: Record<string, any> | null | undefined): Content;