code: public function down()
      {
          Schema::table('ltm_translations', function (Blueprint $table) {
              $table->dropColumn('source');
              $table->dropColumn('is_auto_added');
          });
  
          Schema::table('ltm_translations', function (Blueprint $table) {
              $table->string('source', 256)->nullable();
          });
      }
docs: Reverse the migrations.
  
  @return void