code: private void completeFilesystem(ConfigurationBuilder builder, Configuration configuration)
      {
          PersistenceConfigurationBuilder persistence = builder.persistence();
  
          if (containsIncompleteFileLoader(configuration)) {
              for (StoreConfigurationBuilder<?, ?> store : persistence.stores()) {
                  if (store instanceof SingleFileStoreConfigurationBuilder) {
                      SingleFileStoreConfigurationBuilder singleFileStore = (SingleFileStoreConfigurationBuilder) store;
  
                      singleFileStore.location(createTempDir());
                  }
              }
          }
      }
docs: Add missing location for filesystem based cache.
  
  @param currentBuilder the configuration builder
  @param configuration the configuration
  @return the configuration builder