LocalReadOnlyProxyTransaction extends LocalProxyTransaction { @Override void doDelete(final YangInstanceIdentifier path) { throw new UnsupportedOperationException("doDelete"); } LocalReadOnlyProxyTransaction(final ProxyHistory parent, final TransactionIdentifier identifier,
        final DataTreeSnapshot snapshot);   LocalReadOnlyProxyTransaction(final ProxyHistory parent, final TransactionIdentifier identifier);   }
@Test(expected = UnsupportedOperationException.class) public void testDoDelete() { transaction.doDelete(PATH_1); }