text: const Role = require("../Role");
  const Permission = require("../Permission");
  const RolePermission = require("../RolePermission");
  
  Permission.belongsToMany(Role, {
      through: RolePermission,
      sourceKey: "permission_id",
      targetKey: "role_id",
      foreignKey: "permission_id",
      onDelete: "cascade",
      onUpdate: "cascade",
  });
  