void (@NotNull PsiCatchSection section) { super.visitCatchSection(section); final PsiParameter parameter = section.getParameter(); if (parameter == null) { return; } final PsiTypeElement typeElement = parameter.getTypeElement(); if (typeElement == null) { return; } final PsiTypeElement[] childTypeElements = PsiTreeUtil.getChildrenOfType(typeElement, PsiTypeElement.class); if (childTypeElements != null) { for (PsiTypeElement childTypeElement : childTypeElements) { checkTypeElement(childTypeElement); } } else { checkTypeElement(typeElement); } }