PsiReferenceList () { if (myThrowsList != null) { return myThrowsList; } PsiElementFactory elementFactory = JavaPsiFacade.getElementFactory(getProject()); try { myThrowsList = elementFactory.createReferenceList(new PsiJavaCodeReferenceElement[]{ elementFactory.createFQClassNameReferenceElement(CommonClassNames.JAVA_LANG_THROWABLE, getResolveScope()) }); return myThrowsList; } catch (IncorrectOperationException e) { LOG.error(e); return null; } }