public function deleting(Applicant $applicant): void 	{ 		$applicant->applicantSurveyQuestionOrder->each(function (ApplicantSurveyQuestionOrder $item): void { 			$item->delete(); 		});  		$applicant->applicantCompanyPivot->each(function (ApplicantCompanyPivot $item): void { 			$item->delete(); 		});  		$applicant->metadata->each(function (ApplicantMetadata $item): void { 			$item->delete(); 		});  		$applicant->child?->delete(); 	}