public function up(): void 	{ 		Schema::create('applicant_company_pivots', function (Blueprint $table): void { 			$table->uuid('id')->primary(); 			$table->uuid('applicant_id')->nullable(); 			$table->uuid('company_id')->nullable(); 			$table->timestamps();  			$table->foreign('applicant_id')->references('id')->on('applicants')->cascadeOnDelete(); 			$table->foreign('company_id')->references('id')->on('companies')->cascadeOnDelete(); 			$table->index(Model::CREATED_AT); 		}); 	}