| translate-package | translate |
| detect.source | Detect the source of a text. |
| get.key | Pull the API key from 'getOption('google.key')' or the 'GOOGLE_KEY' environment variable. |
| google.url | Generate an API URL. |
| languages | List the valid language mappings; optionally, from a given source or to a given target. |
| set.key | Set the API key in 'options'. |
| translate | Translate the given text from a source to a target language. |