Identifies the available versions of a package and which are the compatible, latest, and recommended versions.
| all | All available versions of the package. |
| compatible | Versions of the package compatible with the current version of Unity. |
| latest | Latest version of the package. |
| latestCompatible | Latest version of the package compatible with the current version of Unity. |
| recommended | The recommended version of the package. If the recommended version is not available, then this property is an empty string. |