diff --git a/src/main/java/model/FireBehavior.java b/src/main/java/model/FireBehavior.java
index f1cfc869a81610a8020ad17ad7a601afbcb95748..8b5b50d7dd94bfe6f95389b2895606aedb806e91 100644
--- a/src/main/java/model/FireBehavior.java
+++ b/src/main/java/model/FireBehavior.java
@@ -1,4 +1,10 @@
 package model;
 
+import util.Position;
+
+import java.util.List;
+import java.util.Map;
+
 public interface FireBehavior {
+    public List<Position> updateFires(int step, Map<Position, List<Position>> neighbors);
 }