}
@Override
public void read(com.facebook.presto.hive.shaded.org.apache.thrift.protocol.TProtocol prot, EnvironmentContext struct) throws com.facebook.presto.hive.shaded.org.apache.thrift.TException {
TTupleProtocol iprot = (TTupleProtocol) prot;
BitSet incoming = iprot.readBitSet(1);
if (incoming.get(0)) {
{
com.facebook.presto.hive.shaded.org.apache.thrift.protocol.TMap _map252 = new com.facebook.presto.hive.shaded.org.apache.thrift.protocol.TMap(com.facebook.presto.hive.shaded.org.apache.thrift.protocol.TType.STRING, com.facebook.presto.hive.shaded.org.apache.thrift.protocol.TType.STRING, iprot.readI32());
struct.properties = new HashMap<String,String>(2*_map252.size);
for (int _i253 = 0; _i253 < _map252.size; ++_i253)