deserialize method
Implementation
@override
UInt64MultiArray deserialize(ByteDataReader reader) {
//deserializes a message object of type UInt64MultiArray
final data = UInt64MultiArray();
// Deserialize message field [layout]
data.layout = MultiArrayLayout.$prototype.deserialize(reader);
// Deserialize message field [data]
data.data = reader.readArray<int>(() => reader.readUint64(), arrayLen: null);
return data;
}