protected synchronized void refreshFileSystemTypes() { types.clear();
protected final void refreshFileSystemTypes() {   HashMap<String, FileSystemType> newTypes = new HashMap<String, FileSystemType>();
	protected synchronized void refreshFileSystemTypes() {		types.clear();				final Extension[] extensions = typesEP.getExtensions();		for (int i = 0; i < extensions.length; i++) {			final Extension ext = extensions[i];			final ConfigurationElement[] elements = ext.getConfigurationElements();			for (int j = 0; j < elements.length; j++) {				createType(types, elements[j]);			}		}	}