package fr.minuskube.inv.content;

import org.bukkit.entity.Player;

public interface InventoryProvider {

    void init(Player player, InventoryContents contents);
    void update(Player player, InventoryContents contents);

}

@@ -158,24 +158,32 @@
 tents);%0A    
+default 
 void update(
@@ -224,13 +224,15 @@
 ontents)
-;
+ %7B%7D
 %0A%0A%7D%0A

Make InventoryProvider#update(Player, InventoryContents) a default method (#85)