Source of packages.
Unknown | The package source is unknown. |
Registry | The package is from a registry. |
BuiltIn | The package is built-in and part of Unity. |
Embedded | The package is embedded in the Unity project. |
Local | The package is referenced by a local path. |
Git | The package is referenced directly by a Git URL. |
LocalTarball | The package is referenced by a local path pointing to a GZip tarball file. |