IsIndexedContainer
Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>
Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>
* Introduce common method EverExisted * Define DeletionInfo for struct that must implement Source * Refactor tree srv Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>