https://download.eclipse.org/epsilon/interim-javadoc/org/eclipse/epsilon/dt/epackageregistryexplorer/CachedResourceView.CachedResourceViewerContentProvider.html
CachedResourceView.CachedResourceViewerContentProvider (plugins 2.9.0-SNAPSHOT API)
declaration: package: org.eclipse.epsilon.dt.epackageregistryexplorer, class: CachedResourceView, class: CachedResourceViewerContentProvider
pluginssnapshotapi