PsiParameterList () { if (myParameterList != null) { return myParameterList; } try { PsiElementFactory elementFactory = JavaPsiFacade.getElementFactory(getProject()); myParameterList = elementFactory.createParameterList(ArrayUtilRt.EMPTY_STRING_ARRAY, PsiType.EMPTY_ARRAY); return myParameterList; } catch (IncorrectOperationException e) { LOG.error(e); return null; } }