code: public function getDocumentationClassesList(): array {
          $classNames = $this->getCmfConfig()->config('api_documentation.classes', []);
          if (empty($classNames)) {
              $classNames = $this->loadClassesFromFileSystem();
          }
          return $classNames;
      }
docs: Provides sections with list of objects of classes that extend CmfApiMethodDocumentation class to be displayed in api docs section
  @return array - key - section name, value - array that contains names of classes that extend CmfApiDocumentation class