| Package | Description | 
|---|---|
| org.osgi.util.tracker | 
 Tracker Package Version 1.5. 
 | 
| Class and Description | 
|---|
| BundleTrackerCustomizer
 The  
BundleTrackerCustomizer interface allows a BundleTracker
 to customize the Bundles that are tracked. | 
| ServiceTrackerCustomizer
 The  
ServiceTrackerCustomizer interface allows a
 ServiceTracker to customize the service objects that are tracked. | 
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