void (@NotNull Project project, @NotNull PsiElement element, @NotNull ModPsiUpdater updater) { if (element instanceof PsiParameterList parameterList) { final PsiElementFactory factory = JavaPsiFacade.getElementFactory(element.getProject()); final String text = Objects.requireNonNull(parameterList.getParameter(0)).getName() + "->{}"; final PsiLambdaExpression expression = (PsiLambdaExpression)factory.createExpressionFromText(text, element); element.replace(expression.getParameterList()); } else { ParenthesesUtils.removeParentheses((PsiCaseLabelElement)element, ignoreClarifyingParentheses); } }