Override metatypeimpl tostring

api/src/main/java/com/viaversion/viaversion/api/minecraft/metadata/MetaType.java

@@ -63,6 +63,14 @@ public interface MetaType {
             return type;
         }
 
+        @Override
+        public String toString() {
+            return "MetaType{" +
+                    "typeId=" + typeId +
+                    ", type=" + type +
+                    '}';
+        }
+
         @Override
         public boolean equals(final Object o) {
             if (this == o) return true;