public void DeserializeProperty(
     BsonReader bsonReader,
     object obj,
     BsonPropertyMap propertyMap
 )
 {
     var bsonType = bsonReader.PeekBsonType();
     BsonObjectId value;
     if (bsonType == BsonType.Null) {
         bsonReader.ReadNull(propertyMap.ElementName);
         value = null;
     } else {
         int timestamp;
         long machinePidIncrement;
         bsonReader.ReadObjectId(propertyMap.ElementName, out timestamp, out machinePidIncrement);
         value = new BsonObjectId(timestamp, machinePidIncrement);
     }
     propertyMap.Setter(obj, value);
 }
 public void DeserializeProperty(
     BsonReader bsonReader,
     object obj,
     BsonPropertyMap propertyMap
 )
 {
     int timestamp;
     long machinePidIncrement;
     bsonReader.ReadObjectId(propertyMap.ElementName, out timestamp, out machinePidIncrement);
     var value = new ObjectId(timestamp, machinePidIncrement);
     propertyMap.Setter(obj, value);
 }