BundleTracker class simplifies tracking bundles much like the
ServiceTracker simplifies tracking services.BundleTracker for bundles whose state is present in the
specified state mask.BundleTrackerCustomizer interface allows a BundleTracker
to customize the Bundles that are tracked.Copyright © OSGi Alliance (2000, 2018). All Rights Reserved. Licensed under the OSGi Specification License, Version 2.0