docs: public Coin getValueSentToMe(TransactionBag transactionBag) {
          // This is tested in WalletTest.
          Coin v = Coin.ZERO;
          for (TransactionOutput o : outputs) {
              if (!o.isMineOrWatched(transactionBag)) continue;
              v = v.add(o.getValue());
          }
          return v;
      }