How to use successful method of net.serenitybdd.jbehave.SerenityReporter class

...562    public void beforeStep(String stepTitle) {563        StepEventBus.getEventBus().stepStarted(ExecutedStepDescription.withTitle(stepTitle));564    }565    @Override566    public void successful(String title) {567        if (annotatedResultTakesPriority()) {568            processAnnotatedResult();569        } else {570            StepEventBus.getEventBus().updateCurrentStepTitle(normalized(title));571            StepEventBus.getEventBus().stepFinished();572        }573    }574    private void processAnnotatedResult() {575        TestResult forcedResult = StepEventBus.getEventBus().getForcedResult().get();576        switch (forcedResult) {577            case PENDING:578                StepEventBus.getEventBus().stepPending();579                break;580            case IGNORED:581                StepEventBus.getEventBus().stepIgnored();582                break;583            case SKIPPED:584                StepEventBus.getEventBus().stepIgnored();585                break;586            default:587                StepEventBus.getEventBus().stepIgnored();588        }589    }590    private boolean annotatedResultTakesPriority() {591        return StepEventBus.getEventBus().getForcedResult().isPresent();592    }593    @Override594    public void ignorable(String title) {595        StepEventBus.getEventBus().updateCurrentStepTitle(normalized(title));596        StepEventBus.getEventBus().stepIgnored();597    }598    @Override599    public void comment(String step) {600        StepEventBus.getEventBus().stepStarted(ExecutedStepDescription.withTitle(step));601        StepEventBus.getEventBus().stepIgnored();602    }603    @Override604    public void pending(String stepTitle) {605        StepEventBus.getEventBus().stepStarted(ExecutedStepDescription.withTitle(normalized(stepTitle)));606        StepEventBus.getEventBus().stepPending();607    }608    @Override609    public void notPerformed(String stepTitle) {610        StepEventBus.getEventBus().stepStarted(ExecutedStepDescription.withTitle(normalized(stepTitle)));611        StepEventBus.getEventBus().stepIgnored();612    }613    @Override614    public void failed(String stepTitle, Throwable cause) {615        if (!StepEventBus.getEventBus().testSuiteHasStarted()) {616            declareOutOfSuiteFailure();617        }618        if (!errorOrFailureRecordedForStep(cause.getCause())) {619            StepEventBus.getEventBus().updateCurrentStepTitle(stepTitle);620            Throwable rootCause = new RootCauseAnalyzer(cause.getCause()).getRootCause().toException();621            if (isAssumptionFailure(rootCause)) {622                StepEventBus.getEventBus().assumptionViolated(rootCause.getMessage());623            } else {624                StepEventBus.getEventBus().stepFailed(new StepFailure(ExecutedStepDescription.withTitle(normalized(stepTitle)), rootCause));625            }626        }627    }628    private void declareOutOfSuiteFailure() {629        String storyName = !storyStack.isEmpty() ? storyStack.peek().getName() : "Before or After Story";630        String storyId = !storyStack.isEmpty() ? storyStack.peek().getPath() : null;631        StepEventBus.getEventBus().testStarted(storyName, storyId);632    }633    private boolean isAssumptionFailure(Throwable rootCause) {634        return (AssumptionViolatedException.class.isAssignableFrom(rootCause.getClass()));635    }636    public List<String> processExcludedByFilter(final Story story, final Set<String> exclude) {637        final Meta storyMeta = story.getMeta();638        final List<Scenario> processing = new LinkedList<>();639        final List<String> processed = new LinkedList<>();640        if (isSkipped(storyMeta) || isIgnored(storyMeta)) { //this story should be excluded by filter641            processing.addAll(story.getScenarios());642        } else {643            for (Scenario scenario : story.getScenarios()) {644                final Meta scenarioMeta = scenario.getMeta();645                if (isSkipped(scenarioMeta) || isIgnored(scenarioMeta)) { //this scenario should be excluded by filter646                    processing.add(scenario);647                }648            }649        }650        if (processing.size() > 0) {651            final Story beforeStory = new Story();652            beforeStory.namedAs(BEFORE_STORIES);653            final Story afterStory = new Story();654            afterStory.namedAs(AFTER_STORIES);655            final Narrative narrative = story.getNarrative();656            beforeStory(beforeStory, false);657            afterStory(false);658            beforeStory(story, false);659            narrative(narrative);660            for (final Scenario filtered : processing) {661                final String scenarioKey = scenarioKey(story, filtered);662                if (!exclude.contains(scenarioKey)) {663                    beforeScenario(filtered);664                    final List<String> steps = filtered.getSteps();665                    if (ExamplesTable.EMPTY == filtered.getExamplesTable() || filtered.getExamplesTable().getRows().size() == 0) {666                        for (final String step : steps) {667                            beforeStep(step);668                            successful(step);669                        }670                    } else {671                        final ExamplesTable examples = filtered.getExamplesTable();672                        beforeExamples(steps, examples);673                        for (final Map<String, String> row : examples.getRows()) {674                            example(row);675                            for (final String step : steps) {676                                beforeStep(step);677                                successful(step);678                            }679                        }680                        afterExamples();681                    }682                    afterScenario();683                    processed.add(scenarioKey(story, filtered));684                }685            }686            afterStory(false);687            beforeStory(afterStory, false);688            afterStory(false);689        }690        return processed;691    }...

1public void successful(String step) {2    String stepDescription = step;3    String stepStatus = "PASSED";4    recordStep(stepDescription, stepStatus);5}6public void failed(String step, Throwable cause) {7    String stepDescription = step;8    String stepStatus = "FAILED";9    recordStep(stepDescription, stepStatus);10}11public void pending(String step) {12    String stepDescription = step;13    String stepStatus = "PENDING";14    recordStep(stepDescription, stepStatus);15}16public void notPerformed(String step) {17    String stepDescription = step;18    String stepStatus = "NOT PERFORMED";19    recordStep(stepDescription, stepStatus);20}21public void recordStep(String stepDescription, String stepStatus) {22}23public void beforeScenario(String scenarioTitle) {24    String scenarioDescription = scenarioTitle;25}26public void afterScenario() {27    String scenarioDescription = "Scenario Description";28}29public void beforeStory(String storyTitle) {30    String storyDescription = storyTitle;31}