This bundle extends the System Bundle export list with the sun.misc package such that OSGi bundles may refer to Sun's misc implementation without the OSGi framework itself to provide it in a non-portable way.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window net.sdruskat.fragment.sun.misc-1.0.0.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.