--- ../work/decompile-bb26c12b/net/minecraft/server/IDataManager.java	2014-11-27 08:59:46.757421600 +1100
+++ src/main/java/net/minecraft/server/IDataManager.java	2014-11-27 08:42:10.104851005 +1100
@@ -6,7 +6,7 @@
 
     WorldData getWorldData();
 
-    void checkSession();
+    void checkSession() throws ExceptionWorldConflict; // CraftBukkit - throws ExceptionWorldConflict
 
     IChunkLoader createChunkLoader(WorldProvider worldprovider);
 
@@ -23,4 +23,6 @@
     File getDataFile(String s);
 
     String g();
+
+    java.util.UUID getUUID(); // CraftBukkit
 }