validateStringNotEmpty("artifactId", problems, Severity.FATAL, Version.V20, m.getArtifactId(), m);

            validateVersionNoExpression("version", problems, Severity.WARNING, Version.V20, m.getVersion(), m);
            if (parent == null) {
                validateStringNotEmpty("version", problems, Severity.FATAL, Version.V20, m.getVersion(), m);

     * @param severity
     * @param version
     */
    public ModelProblemCollectorRequest(Severity severity, Version version) {
        this.severity = Objects.requireNonNull(severity, "severity cannot be null");
        this.version = Objects.requireNonNull(version, "version cannot be null");
    }

    public Severity getSeverity() {
        return severity;
    }

    public Version getVersion() {

            return true;
        }

        addViolation(problems, Severity.ERROR, fieldName, sourceHint, "is missing");

        return false;
    }

    private static boolean validateBannedCharacters(
            SettingsProblemCollector problems,
            String fieldName,
            Severity severity,
            String string,
            String sourceHint,
            String banned) {

    }

    default void add(BuilderProblem.Severity severity, ModelProblem.Version version, String message) {
        add(severity, version, message, null, null);
    }

    default void add(
            BuilderProblem.Severity severity, ModelProblem.Version version, String message, InputLocation location) {
        add(severity, version, message, location, null);
    }

    default void add(

     */
    public DefaultSettingsProblem(
            String message, Severity severity, String source, int lineNumber, int columnNumber, Exception exception) {
        this.message = message;
        this.severity = (severity != null) ? severity : Severity.ERROR;
        this.source = (source != null) ? source : "";
        this.lineNumber = lineNumber;

        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());

        return hasProblemsFor(BuilderProblem.Severity.FATAL);
    }

    /**
     * Returns {@code true} if there is at least one problem collected with severity equal or more severe than
     * passed in severity.
     */
    default boolean hasProblemsFor(BuilderProblem.Severity severity) {
        requireNonNull(severity, "severity");
        for (BuilderProblem.Severity s : BuilderProblem.Severity.values()) {

    public DefaultModelProblem(
            String message,
            Severity severity,
            Version version,
            String source,
            int lineNumber,
            int columnNumber,
            String modelId,
            Exception exception) {
        this.message = message;
        this.severity = (severity != null) ? severity : Severity.ERROR;
        this.source = (source != null) ? source : "";

                problems.add(Problem.Severity.WARNING, e.getMessage(), e.getLineNumber(), e.getColumnNumber(), e);
            }
        } catch (ToolchainsParseException e) {
            problems.add(
                    Problem.Severity.FATAL,
                    "Non-parseable toolchains " + toolchainsSource.getLocation() + ": " + e.getMessage(),

                @Deprecated
                void method();
            }
        """

        then:
        incubatingMissingRule.maybeViolation(jApiType).severity == Severity.error
        sinceMissingRule.maybeViolation(jApiType).severity == Severity.error

        where:
        apiElement  | jApiTypeName
        'interface' | 'jApiClassifier'
        'method'    | 'jApiMethod'
        'field'     | 'jApiField'