docs: public static boolean containsUnpackedBootstrap(IPath directory) {
  		final IFile location = ResourcesPlugin.getWorkspace().getRoot().getFile(directory);
  		if (location != null) {
  			final IPath path = location.getLocation();
  			if (path != null) {
  				final File file = path.toFile();
  				if (file.exists()) {
  					if (file.isDirectory()) {
  						return containsUnpackedBootstrap(file);
  					}
  					return false;
  				}
  			}
  		}
  		return containsUnpackedBootstrap(directory.makeAbsolute().toFile());
  	}