Named parameters sorrounded by quotes are not handled properly

public class QuoteNamedParametersStory extends JUnitStory {

  public static class QuotNamedParametersSteps {

    @Then("\"$foo\" then \"$bar\"")
    public void otherOrderQuotes(@Named("bar") String bar, @Named("foo") String foo) {
      assertThat(foo, equalTo("foo"));
      assertThat(bar, equalTo("bar"));
    }
  }

  @Override
  public Configuration configuration() {
    return new MostUsefulConfiguration().useStoryReporterBuilder(new StoryReporterBuilder().withFormats(Format.CONSOLE).withFailureTrace(true));
  }

  @Override
  public List<CandidateSteps> candidateSteps() {
    return new InstanceStepsFactory(configuration(), new QuotNamedParametersSteps()).createCandidateSteps();
  }
}

private class Parameter {
  private final int start;
  private final int end;
  private final String whitespaceIfAny;
  private final String name;

  public Parameter(String pattern, int start, int end,
      String whitespaceIfAny) {
    this.start = start;
    this.end = end;
    this.whitespaceIfAny = whitespaceIfAny;
    this.name = pattern.substring(start + prefix.length(), end - whitespaceIfAny.length()).trim();
  }

}