LocalReadOnlyProxyTransaction extends LocalProxyTransaction { @Override void doMerge(final YangInstanceIdentifier path, final NormalizedNode<?, ?> data) { throw new UnsupportedOperationException("doMerge"); } LocalReadOnlyProxyTransaction(final ProxyHistory parent, final TransactionIdentifier identifier,
        final DataTreeSnapshot snapshot);   LocalReadOnlyProxyTransaction(final ProxyHistory parent, final TransactionIdentifier identifier);   }
@Test(expected = UnsupportedOperationException.class) public void testDoMerge() { transaction.doMerge(PATH_1, DATA_1); }