deserialize method
Implementation
@override
Float64MultiArray deserialize(ByteDataReader reader) {
//deserializes a message object of type Float64MultiArray
final data = Float64MultiArray();
// Deserialize message field [layout]
data.layout = MultiArrayLayout.$prototype.deserialize(reader);
// Deserialize message field [data]
data.data = reader.readArray<double>(() => reader.readFloat64(), arrayLen: null);
return data;
}