GLib.TranslateFunc

function onTranslateFunc(str: String, data: void): String {
}

The type of functions which are used to translate user-visible strings, for <option>--help</option> output.

str: the untranslated string
data: user data specified when installing the function, e.g. in GLib.OptionGroup.prototype.set_translate_func
Returns: a translation of the string for the current locale. The returned string is owned by GLib and must not be freed.