code: public com.google.privacy.dlp.v2.UnwrappedCryptoKey getUnwrapped() {
      if (sourceCase_ == 2) {
        return (com.google.privacy.dlp.v2.UnwrappedCryptoKey) source_;
      }
      return com.google.privacy.dlp.v2.UnwrappedCryptoKey.getDefaultInstance();
    }
docs: <code>.google.privacy.dlp.v2.UnwrappedCryptoKey unwrapped = 2;</code>