import java.util.Observer;
/**
 * Prints and returns the contents of a given LineStorage.
 * 
 * Secret: output mechanism.
 * 
 * @author Alexander Schaap
 * 
 */
public interface OutputInterface extends Observer {

  /**
   * Outputs the contents of the given line storage.
   * 
   * @param sls
   */
  public void print();

  /**
   * Set the storage to be printed.
   * 
   * @param sls
   */
  public void connect(
      StorageInterface<StorageInterface<StorageInterface<WordInterface<?>>>> sls);
  
  public String getResult();
  
  public void reset();
}