return null;
try { return desc.createProvider(); } catch (CoreException e) { JavaPlugin.log(e); return null; }
	public IJavaFoldingStructureProvider getCurrentFoldingProvider() {		String id= JavaPlugin.getDefault().getPreferenceStore().getString(PreferenceConstants.EDITOR_FOLDING_PROVIDER);		JavaFoldingStructureProviderDescriptor desc= getFoldingProviderDescriptor(id);		if (desc != null) {			try {				return desc.createProvider();			} catch (CoreException e) {				JavaPlugin.log(e);			}		}		return null;	}