func (u StellarMessage) MustTransaction() TransactionEnvelope {
	val, ok := u.GetTransaction()

	if !ok {
		panic("arm Transaction is not set")
	}

	return val
}
func (u StellarMessage) MustTransaction() TransactionEnvelope {
	val, ok := u.GetTransaction()

	if !ok {
		panic("arm Transaction is not set")
	}

	return val
}
// MustTransaction retrieves the Transaction value from the union,
// panicing if the value is not set.