public static BackendSpecLoader<AlgorithmSourceBackend> getAlgorithmSourceBackendSpecLoader()
     throws BackendProviderSpecLoaderException {
   loadBackendProviderIfNeeded();
   return backendProvider.getAlgorithmSourceBackendSpecLoader();
 }
 public static BackendSpecLoader<KnowledgeSourceBackend> getKnowledgeSourceBackendSpecLoader()
     throws BackendProviderSpecLoaderException {
   loadBackendProviderIfNeeded();
   return backendProvider.getKnowledgeSourceBackendSpecLoader();
 }