The id property represents a unique numerical identifier assigned to each language in the system.
languagestring
The language of the input text. Pass a locale tag (en-us, fr-fr, es-es). Numeric language IDs (1 or "1") still work but are deprecated. See all source languages.
short_namestring
The short name is a standardized identifier for each language and locale combination, represented in the format of <language code>-<country code>.