# com.example.sms.domain.model.master.employee <-> com.example.sms.domain.model.master.department
- com.example.sms.domain.model.master.employee.Employee -> com.example.sms.domain.model.master.department.Department
- com.example.sms.domain.model.master.department.Department -> com.example.sms.domain.model.master.employee.Employee