code: private void shutdown(String applicationName, ClassLoader classLoader) {
          synchronized (configCache) {
              ConfigWrapper configWrapper = configCache.get(classLoader);
              boolean close = configWrapper.removeApplication(applicationName);
              if (close) {
                  close(classLoader);
              }
          }
      }
docs: Close down a specific config used by a specified application (that is not also still in use by other applications)