--- a/net/minecraft/server/JsonList.java
+++ b/net/minecraft/server/JsonList.java
@@ -86,7 +86,7 @@
     @Nullable
     public V get(K k0) {
         this.h();
-        return (JsonListEntry) this.d.get(this.a(k0));
+        return (V) this.d.get(this.a(k0)); // CraftBukkit - fix decompile error
     }
 
     public void remove(K k0) {
@@ -108,6 +108,12 @@
         return (String[]) this.d.keySet().toArray(new String[this.d.size()]);
     }
 
+    // CraftBukkit start
+    public Collection<V> getValues() {
+        return this.d.values();
+    }
+    // CraftBukkit end
+
     public boolean isEmpty() {
         return this.d.size() < 1;
     }
@@ -137,7 +143,7 @@
         while (iterator.hasNext()) {
             Object object = iterator.next();
 
-            this.d.remove(this.a(object));
+            this.d.remove(this.a((K) object)); // CraftBukkit - decompile error
         }
 
     }
@@ -180,7 +186,7 @@
                         JsonListEntry jsonlistentry = (JsonListEntry) iterator.next();
 
                         if (jsonlistentry.getKey() != null) {
-                            this.d.put(this.a(jsonlistentry.getKey()), jsonlistentry);
+                            this.d.put(this.a((K) jsonlistentry.getKey()), (V) jsonlistentry); // CraftBukkit - fix decompile error
                         }
                     }
                 }
@@ -212,11 +218,11 @@
             }
         }
 
-        public JsonElement serialize(Object object, Type type, JsonSerializationContext jsonserializationcontext) {
+        public JsonElement serialize(JsonListEntry<K> object, Type type, JsonSerializationContext jsonserializationcontext) { // CraftBukkit - fix decompile error
             return this.a((JsonListEntry) object, type, jsonserializationcontext);
         }
 
-        public Object deserialize(JsonElement jsonelement, Type type, JsonDeserializationContext jsondeserializationcontext) throws JsonParseException {
+        public JsonListEntry<K> deserialize(JsonElement jsonelement, Type type, JsonDeserializationContext jsondeserializationcontext) throws JsonParseException { // CraftBukkit - fix decompile error
             return this.a(jsonelement, type, jsondeserializationcontext);
         }