code: private UUID getDiscoveryId(final Map<String, String> params) throws IOException {
          final String discoveryId = params.get("discoveryId");
  
          if (discoveryId == null) {
              throw new IOException("srvc transport did not get a discoveryId parameter.  Refusing to create.");
          }
          return UUID.fromString(discoveryId);
      }
docs: Find and validate the discoveryId given in a connection string