void (@NotNull PsiUnaryExpression expression) { super.visitUnaryExpression(expression); if (!hasErrorResults()) { add(HighlightUtil.checkUnaryOperatorApplicable(expression.getOperationSign(), expression.getOperand())); } if (!hasErrorResults()) add(HighlightUtil.checkOutsideDeclaredCantBeAssignmentInGuard(expression.getOperand())); }