Looks up already-loaded packages at a specific version
Looks up a package according to this Location's priority, that is, packages from the search path and local packages have the highest priority.
The full name of the package to look up
The version to look up
A Package if one was found, null if none exists.
See Implementation
Looks up already-loaded packages at a specific version
Looks up a package according to this Location's priority, that is, packages from the search path and local packages have the highest priority.