// There is no script class when there are no statements or methods declared in the script
            return null;
        }
        return source.getAST().getClasses().get(0);
    }

    public static void removeMethod(ClassNode declaringClass, MethodNode methodNode) {
        declaringClass.getMethods().remove(methodNode);
        declaringClass.getDeclaredMethods(methodNode.getName()).clear();
    }

     * exception from the target.
     */
    referenceException.assertPermitted(targetException);
  }

  private static final IteratorOperation REMOVE_METHOD =
      new IteratorOperation() {
        @Override
        public @Nullable Object execute(Iterator<?> iterator) {
          iterator.remove();
          return null;
        }
      };

     * exception from the target.
     */
    referenceException.assertPermitted(targetException);
  }

  private static final IteratorOperation REMOVE_METHOD =
      new IteratorOperation() {
        @Override
        public @Nullable Object execute(Iterator<?> iterator) {
          iterator.remove();
          return null;
        }
      };