deserialize method
Implementation
@override
AccelWithCovariance deserialize(ByteDataReader reader) {
//deserializes a message object of type AccelWithCovariance
final data = AccelWithCovariance();
// Deserialize message field [accel]
data.accel = Accel.$prototype.deserialize(reader);
// Deserialize message field [covariance]
data.covariance = reader.readArray<double>(() => reader.readFloat64(), arrayLen: 36);
return data;
}