interface ConvertOptions {
    string: string;
    inputEncoding: Encoding;
    outputEncoding: Encoding;
}

export declare enum Encoding {
    UTF_8,
    BASE_16,
    BASE_32,
    BASE_64,
    BASE_64_URL_SAFE,
    HEX,
}

/**
 * Converts a string to another type of encoding and returns the re-encoded string.
 */
export declare function convert(options: ConvertOptions): string;