sequelize where with or code example

Example 1: sequelize and

{ where: { [Op.and]: [{ Col1: val1 }, { Col2: val2 }]} }

Example 2: include with where clause in sequelize

Document.findAll({
where: {'$employee.manager.id$': id},
      include: [{
        model: models.Employee,
        required: true,
        as: 'employee',
        include: [{
          model: models.Manager,
          required: true,
          as: 'manager',
          where: { id: managerId },
        }],
      }],

Example 3: SEQUELIZE OR

"SELECT * FROM Student WHERE LastName='Doe' OR FirstName in ("John","Jane") OR Age>18"