(What i did in class didn't get pushed properly)

src/main/java/model/ModelElement.java

 package model;
 
 public enum ModelElement {
-  FIREFIGHTER,MOTORIZEDFIREFIGHTER,FIRE,CLOUD,ROAD,ROCK,MOUNTAIN
+  FIREFIGHTER, FIRE
 }

src/main/java/model/MotorizedFireFighter.java

-package model;
-
-public class MotorizedFireFighter extends FirefighterManager {
-    public MotorizedFireFighter(FirefighterBoard board) {
-        super(  board,
-                ModelElement.MOTORIZEDFIREFIGHTER,
-                new ModelElement[]{ModelElement.MOUNTAIN},
-                2);
-    }
-}

src/main/java/model/Rock.java

-package model;
-
-public class Rock {
-    private int life;
-
-    public Rock() {
-        life=4;
-    }
-
-    public int getLife() {
-        return life;
-    }
-
-    public void getDamage() {
-        life--;
-    }
-}

src/main/java/model/StandardFireFighter.java

-package model;
-
-public class StandardFireFighter extends FirefighterManager {
-    public StandardFireFighter(FirefighterBoard board) {
-        super(  board,
-                ModelElement.FIREFIGHTER,
-                new ModelElement[]{ModelElement.MOUNTAIN},
-                1);
-    }
-}

src/main/java/model/RockManager.java → src/main/java/model/Updater.java

 package model;
 
-public class RockManager {
+public interface Updater {
 }