class RuboCop::Cop::Style::ArgumentsForwarding::SendNodeClassifier

def no_additional_args?
  forwardable_count = [@rest_arg, @kwrest_arg, @block_arg].compact.size
  return false if missing_rest_arg_or_kwrest_arg?
  @def_node.arguments.size == forwardable_count &&
    @send_node.arguments.size == forwardable_count
end