docs: public static InMemoryJarfile loadInMemoryJarFile(byte[] catalogBytes)
              throws IOException
      {
          assert(catalogBytes != null);
  
          InMemoryJarfile jarfile = new InMemoryJarfile(catalogBytes);
          if (!jarfile.containsKey(CATALOG_FILENAME)) {
              throw new IOException("Database catalog not found - please build your application using the current version of VoltDB.");
          }
  
          return jarfile;
      }