import java.util.ArrayList; public interface IHRM { public void addVacationRequest(String employeeID, int nrOfDays); public void addReimbursementRequest(String employeeID, double amount, String description); public ArrayList getEmployeeRequests(String employeeID, Decision preProcDecision, Decision mgrDecision); public void preProcessRequests(); public void approveRequest(String requestID, String managerID); public void disapproveRequest(String requestID, String managerID); }