class RSpec::Rails::Matchers::HaveEnqueuedMail

def detect_args_signature_mismatch(jobs)
  return if @method_name.nil?
  return if skip_signature_verification?
  mailer_class = mailer_class_name.constantize
  jobs.each do |job|
    mailer_args = extract_args_without_parameterized_params(job)
    if (signature_mismatch = check_args_signature_mismatch(mailer_class, @method_name, mailer_args))
      return signature_mismatch
    end
  end
  nil
end