--- a/net/minecraft/network/FriendlyByteBuf.java
+++ b/net/minecraft/network/FriendlyByteBuf.java
@@ -139,7 +139,7 @@
 
     public <T, C extends Collection<T>> C readCollection(IntFunction<C> collectionFactory, StreamDecoder<? super FriendlyByteBuf, T> reader) {
         int i = this.readVarInt();
-        C c0 = (Collection) collectionFactory.apply(i);
+        C c0 = collectionFactory.apply(i); // CraftBukkit - decompile error
 
         for (int j = 0; j < i; ++j) {
             c0.add(reader.decode(this));
@@ -150,7 +150,7 @@
 
     public <T> void writeCollection(Collection<T> collection, StreamEncoder<? super FriendlyByteBuf, T> writer) {
         this.writeVarInt(collection.size());
-        Iterator iterator = collection.iterator();
+        Iterator<T> iterator = collection.iterator(); // CraftBukkit - decompile error
 
         while (iterator.hasNext()) {
             T t0 = iterator.next();
@@ -177,12 +177,12 @@
 
     public void writeIntIdList(IntList list) {
         this.writeVarInt(list.size());
-        list.forEach(this::writeVarInt);
+        list.forEach((java.util.function.IntConsumer) this::writeVarInt); // CraftBukkit - decompile error
     }
 
     public <K, V, M extends Map<K, V>> M readMap(IntFunction<M> mapFactory, StreamDecoder<? super FriendlyByteBuf, K> keyReader, StreamDecoder<? super FriendlyByteBuf, V> valueReader) {
         int i = this.readVarInt();
-        M m0 = (Map) mapFactory.apply(i);
+        M m0 = mapFactory.apply(i); // CraftBukkit - decompile error
 
         for (int j = 0; j < i; ++j) {
             K k0 = keyReader.decode(this);
@@ -216,7 +216,7 @@
     }
 
     public <E extends Enum<E>> void writeEnumSet(EnumSet<E> enumSet, Class<E> type) {
-        E[] ae = (Enum[]) type.getEnumConstants();
+        E[] ae = type.getEnumConstants(); // CraftBukkit - decompile error
         BitSet bitset = new BitSet(ae.length);
 
         for (int i = 0; i < ae.length; ++i) {
@@ -227,7 +227,7 @@
     }
 
     public <E extends Enum<E>> EnumSet<E> readEnumSet(Class<E> type) {
-        E[] ae = (Enum[]) type.getEnumConstants();
+        E[] ae = type.getEnumConstants(); // CraftBukkit - decompile error
         BitSet bitset = this.readFixedBitSet(ae.length);
         EnumSet<E> enumset = EnumSet.noneOf(type);
 
@@ -498,7 +498,7 @@
     }
 
     public <T extends Enum<T>> T readEnum(Class<T> enumClass) {
-        return ((Enum[]) enumClass.getEnumConstants())[this.readVarInt()];
+        return ((T[]) enumClass.getEnumConstants())[this.readVarInt()]; // CraftBukkit - fix decompile error
     }
 
     public FriendlyByteBuf writeEnum(Enum<?> instance) {
@@ -565,7 +565,7 @@
 
         try {
             NbtIo.writeAnyTag((Tag) nbt, new ByteBufOutputStream(buf));
-        } catch (IOException ioexception) {
+        } catch (Exception ioexception) { // CraftBukkit - IOException -> Exception
             throw new EncoderException(ioexception);
         }
     }