libplasmaquick is an internal part of lib plasma.
It should not be used directly, however some classes are exposed to Plasma as attached properties.
- ContainmentInterface which are exposed as "Plasmoid" for applets and containments respectively.
QML applets should import org.kde.plasma.plasmoid 2.0 in order to access this attached object
- WallpaperInterface which is exposed as to wallpapers as the attached property "wallpaper". It does not require any special imports