/usr/share/doc/libcommons-discovery-java/api/org/apache/commons/discovery/resource/names/ is in libcommons-discovery-java-doc 0.5-3ubuntu1.
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/usr/share/doc/libcommons-discovery-java/api/org/apache/commons/discovery/resource/names/DiscoverMappedNames.html
/usr/share/doc/libcommons-discovery-java/api/org/apache/commons/discovery/resource/names/DiscoverNamesInAlternateManagedProperties.html
/usr/share/doc/libcommons-discovery-java/api/org/apache/commons/discovery/resource/names/DiscoverNamesInDictionary.html
/usr/share/doc/libcommons-discovery-java/api/org/apache/commons/discovery/resource/names/DiscoverNamesInFile.html
/usr/share/doc/libcommons-discovery-java/api/org/apache/commons/discovery/resource/names/DiscoverNamesInManagedProperties.html
/usr/share/doc/libcommons-discovery-java/api/org/apache/commons/discovery/resource/names/DiscoverNamesInSystemProperties.html
/usr/share/doc/libcommons-discovery-java/api/org/apache/commons/discovery/resource/names/DiscoverServiceNames.html
/usr/share/doc/libcommons-discovery-java/api/org/apache/commons/discovery/resource/names/NameDiscoverers.html
/usr/share/doc/libcommons-discovery-java/api/org/apache/commons/discovery/resource/names/ResourceNameDiscoverImpl.html
/usr/share/doc/libcommons-discovery-java/api/org/apache/commons/discovery/resource/names/package-frame.html
/usr/share/doc/libcommons-discovery-java/api/org/apache/commons/discovery/resource/names/package-summary.html
/usr/share/doc/libcommons-discovery-java/api/org/apache/commons/discovery/resource/names/package-tree.html