Language Translation. Translations are resources that can be loaded and unloaded on demand. They map a string to another string. $DOCS_URL/03_usage/12_i18n/01_internationalizing_games.md $DOCS_URL/03_usage/12_i18n/03_locales.md Virtual method to override [method get_message]. Adds a message if nonexistent, followed by its translation. Erases a message. Returns a message's translation. Returns the number of existing messages. Returns all the messages (keys). The locale of the translation.