FootballClub

import java.util.Collection;

public interface FootballClub extends Club {

    /**
     * Adds a new member to the club
     * @param object of type implementing ClubMember
     */
    public void addMember(ClubMember member);

    /**
     * Obtains the collection of current members
     * @return actual collection of existing members
     */
    public Collection<ClubMember> getMembers();

    /**
     * Changes the trainer of the football club
     * @param dedicated member that has the trainer role
     * @apiNote the trainer is not part of the member collection
     */
    public void setTrainer(ClubMember member);

    /**
     * Obtains the trainer of this club
     */
    public ClubMember getTrainer();
}