code: public java.lang.String getUfsFingerprint() {
      java.lang.Object ref = ufsFingerprint_;
      if (ref instanceof java.lang.String) {
        return (java.lang.String) ref;
      } else {
        com.google.protobuf.ByteString bs = 
            (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        if (bs.isValidUtf8()) {
          ufsFingerprint_ = s;
        }
        return s;
      }
    }
docs: <code>optional string ufsFingerprint = 26;</code>