code: private Map<String, ComponentDto> indexExistingDtosByUuids(DbSession session) {
      return dbClient.componentDao().selectAllComponentsFromProjectKey(session, treeRootHolder.getRoot().getDbKey())
        .stream()
        .collect(Collectors.toMap(ComponentDto::uuid, Function.identity()));
    }
docs: Returns a mutable map of the components currently persisted in database for the project, including
  disabled components.