/** * @throws IdsFromBodyAreNotUniqueException * @throws ArtifactDoesNotExistException * @throws ArtifactIsNotInBacklogTrackerException * @throws ArtifactIsClosedOrAlreadyPlannedInAnotherMilestone */ public function validate(array $to_add) { $this->milestone_validator->validateArtifactsFromBodyContentWithClosedItems($to_add, $this->milestone, $this->user); }