import java.util.*;

public interface FlightUtils {
  
  public void setFlightNumber(int fp);  
  public void setMiles(int m);  
  public void setSeats(int s);

  public int getFlightNumber(); 
  public int getMiles(); 
  public int getSeats();
  
  public void checkinPassenger(Passenger p) throws OverBookedException; 
  public void checkinInfant(Infant i) throws InfantTooOldException;
  
  public void printPersonsOnPlane(); 
  public void printMeals(); 
  public void updateEliteMiles(); 

  public String toString();


  

}