Hello. I have a few questions about the plasma 5 shell development.

1. Can I create a custom plasma shell package and switch to it, or only way for customize shell is modify standard shell?

2. How I can get access to private plasma qml plugins from org.kde.desktopcontainment plasmoid (like org.kde.plasma.private.taskmanager plugin)? After import taskmanager plugin in main plasmoid script, I received error that this plugin is not installed =(

3. Can I add custom activity type into standard shell (like folder view or basic desktop)?

Thx, and sorry for my english =)