/**
 * "Hello %(name)s" --> "Hello {name}"
 * "%(count)d apples" --> "{count} apples"
 * @param input
 */
export declare function convertPythonStringToICU(input: string): string;
/**
 * convert icu translation string into python format
 * @param icuTranslation
 * @param originalPythonString
 */
export declare function convertICUToPythonString(icuTranslation: string, originalPythonString: string): string;
/**
 * take message with variables {name} and replace them with placeholders {x}
 * then get resource file key
 * @param input
 */
export declare function getResourceFileKey(input: string): string;
/**
 * get target language by looking at po file header
 * if not found then look at file path for a locale
 * @param sourceFilePath
 * @param headers
 * @param allowedLanguages
 */
export declare function getTargetLang(sourceFilePath: string, headers: any, allowedLanguages: Set<string>): string | null;
export declare function savePOFile(pofile: any, filepath: string): Promise<unknown>;