class Cucumber::Formatter::MessageBuilder

def step_match_arguments(step)
  @step_definitions_by_test_step.step_match_arguments(step).map do |argument|
    Cucumber::Messages::StepMatchArgument.new(
      group: argument_group_to_message(argument.group),
      parameter_type_name: parameter_type_name(argument)
    )
  end
end