void (PsiElement scope) { scope.putCopyableUserData(QUALIFIER_CLASS_KEY, null); scope.putCopyableUserData(REF_TO_CLASS, null); scope.putCopyableUserData(REF_TO_MEMBER, null); for (PsiElement child = scope.getFirstChild(); child != null; child = child.getNextSibling()) { clearContextInfo(child); } }