@Nonnull
    String getMessage();

    /**
     * Gets the severity level of this problem.
     *
     * @return the severity level of this problem, never {@code null}
     */
    @Nonnull
    Severity getSeverity();

    /**
     * The different severity levels for a problem, in decreasing order.
     *
     * @since 4.0.0
     */
    @Experimental
    enum Severity {
        FATAL, //
        ERROR, //

     */
    String getMessage();

    /**
     * Gets the severity level of this problem.
     *
     * @return The severity level of this problem, never {@code null}.
     */
    Severity getSeverity();

    /**
     * Gets the applicable maven version/validation level of this problem
     * @return The version, never {@code null}.
     */
    Version getVersion();

     */
    public int getErrorCode() {
        return errorCode;
    }

    /**
     * Gets the error severity
     *
     * @return the severity
     */
    public Severity getSeverity() {
        return severity;
    }

    /**
     * Gets the error category
     *
     * @return the category
     */
    public Category getCategory() {
        return category;
    }

        assertEquals(Severity.ERROR, problem.getSeverity());

        problem = new DefaultProblem(null, Severity.FATAL, null, -1, -1, null);
        assertEquals(Severity.FATAL, problem.getSeverity());

        problem = new DefaultProblem(null, Severity.ERROR, null, -1, -1, null);
        assertEquals(Severity.ERROR, problem.getSeverity());

    public void add(ModelProblem problem) {
        problems.add(problem);

        severities.add(problem.getSeverity());
    }

    public void addAll(List<ModelProblem> problems) {
        this.problems.addAll(problems);

        for (ModelProblem problem : problems) {
            severities.add(problem.getSeverity());
        }
    }

    @Override
    public void add(ModelProblemCollectorRequest req) {

        return errors;
    }

    public List<String> getFatals() {
        return fatals;
    }

    @Override
    public void add(ModelProblemCollectorRequest req) {
        switch (req.getSeverity()) {
            case FATAL:
                if (!fatals.contains(req.getMessage())) {
                    fatals.add(req.getMessage());
                }
                break;
            case ERROR:

                return false;
            }
            int currentCount = totalCount.incrementAndGet();
            getCounter(problem.getSeverity()).increment();
            if (currentCount <= maxCountLimit || dropProblemWithLowerSeverity(problem.getSeverity())) {
                getProblems(problem.getSeverity()).add(problem);
                return true;
            }
            return false;
        }

        @Override

        writer.print("encountered while building the effective settings");
        writer.println();

        for (SettingsProblem problem : problems) {
            writer.print("[");
            writer.print(problem.getSeverity());
            writer.print("] ");
            writer.print(problem.getMessage());
            String location = problem.getLocation();
            if (!location.isEmpty()) {
                writer.print(" @ ");

    // helper to determine if problems contain error
    private static boolean hasErrors(Iterable<? extends ModelProblem> problems) {
        for (ModelProblem input : problems) {
            if (input.getSeverity().equals(ERROR) || input.getSeverity().equals(FATAL)) {
                return true;
            }
        }
        return false;
    }

    /**
     * Class definition
     */
    private final boolean errors;

            this.result = result;
        }

        @Override
        public void add(ModelProblemCollectorRequest req) {
            if (!ModelProblem.Severity.WARNING.equals(req.getSeverity())) {
                result.addMessage(req.getMessage());
            }
        }
    }