LocalReadWriteProxyTransaction extends LocalProxyTransaction { @Override boolean isSnapshotOnly() { return false; } LocalReadWriteProxyTransaction(final ProxyHistory parent, final TransactionIdentifier identifier,
        final DataTreeSnapshot snapshot);   LocalReadWriteProxyTransaction(final ProxyHistory parent, final TransactionIdentifier identifier);   }
@Test public void testIsSnapshotOnly() { Assert.assertFalse(transaction.isSnapshotOnly()); }