@Override
			public int compare(File dir1, File dir2) {
				return javaHomeToVersionMap.get(dir2).compareTo(javaHomeToVersionMap.get(dir1));
			}
Returns a list of supported Java home directories from discovered Java installations.
The list is sorted from newest Java version to oldest.

@param appConfig The appConfig configuration that defines what we support.
@param javaFilter A filter used to restrict what kind of Java installations we search for.
@return A sorted list of supported Java home directories from discovered Java installations.
GhidraBuild/LaunchSupport/src/main/java/ghidra/launch/JavaFinder.java