docs: public static void unbox(MethodVisitor mv, Class type) {
          if (type.isPrimitive() && type != Void.TYPE) {
              String returnString = "(Ljava/lang/Object;)" + BytecodeHelper.getTypeDescription(type);
              mv.visitMethodInsn(INVOKESTATIC, DTT_CLASSNAME, type.getName() + "Unbox", returnString, false);
          }
      }