/**
 * Converts regular text to hidden Unicode Tag characters
 * that are invisible to humans but can be processed by LLMs
 */
export declare function encodeToTags(text: string): string;
/**
 * Creates text with hidden ASCII smuggled content
 */
export declare function createSmuggledText(hiddenMessage: string, visiblePrefix?: string, visibleSuffix?: string): string;
/**
 * Extracts hidden text from Unicode Tag characters
 * (For debugging purposes)
 */
export declare function decodeFromTags(text: string): string;