TransferMessage constructor
      
      TransferMessage({ 
    
    
- String? to,
- Int64? amount,
Implementation
factory TransferMessage({
  $core.String? to,
  $fixnum.Int64? amount,
}) {
  final $result = create();
  if (to != null) {
    $result.to = to;
  }
  if (amount != null) {
    $result.amount = amount;
  }
  return $result;
}