}

	return nil
}

// IsDaysNull returns true if days field is null
func (e Expiration) IsDaysNull() bool {
	return e.Days == ExpirationDays(0)
}

// IsDateNull returns true if date field is null
func (e Expiration) IsDateNull() bool {
	return e.Date.IsZero()
}

// IsNull returns true if both date and days fields are null
func (e Expiration) IsNull() bool {
	return e.IsDaysNull() && e.IsDateNull()

        AndArtifactFilter filter1 = new AndArtifactFilter();

        AndArtifactFilter filter2 = new AndArtifactFilter(Arrays.asList(newSubFilter()));

        assertFalse(filter1.equals(null), "Expected " + filter1 + " to not equal " + null);
        assertTrue(filter1.equals(filter1), "Expected " + filter1 + " to equal " + filter1);
        assertEquals(filter1.hashCode(), filter1.hashCode());

 */
@Deprecated(since = "4.0.0")
public interface SettingsBuildingResult {

    /**
     * Gets the assembled settings.
     *
     * @return The assembled settings, never {@code null}.
     */
    Settings getEffectiveSettings();

    /**
     * Gets the problems that were encountered during the settings building. Note that only problems of severity

        this.normalizer = normalizer;
    }

    @Override
    public Object execute(String expression, Object value) {
        if (value != null && URL_EXPRESSIONS.contains(expression)) {
            return normalizer.normalize(value.toString());
        }

        return null;
    }

        super(params)
    }

    @Override
    Violation maybeViolation(JApiCompatibility member) {

        if (isNewOrRemoved(member) || !(member instanceof JApiMethod)) {
            return null
        }

        JApiMethod method = (JApiMethod) member

        def metadata = KotlinMetadataQueries.INSTANCE

        def oldMethod = method.oldMethod.get()
        def newMethod = method.newMethod.get()

            throws ArtifactMetadataRetrievalException {
        Set<Artifact> dependencies = new HashSet<>();

        if ("g".equals(artifact.getArtifactId())) {
            Artifact a = null;
            try {
                a = factory.createBuildArtifact("org.apache.maven", "h", "1.0", "jar");
                dependencies.add(a);
            } catch (Exception e) {

                    "parameters": [
                        {
                            "required": False,
                            "schema": {
                                "anyOf": [{"type": "string"}, {"type": "null"}],
                                "title": "Q",
                            },
                            "name": "q",
                            "in": "query",
                        },
                        {

                                {
                                    "type": "string",
                                },
                                {
                                    "type": "null",
                                },
                            ],
                            "title": "Description",
                        },
                        "name": {

<div class="screenshot">
<img src="/img/tutorial/separate-openapi-schemas/image02.png">
</div>

Это означает, что у него **всегда будет какое‑то значение**, просто иногда это значение может быть `None` (или `null` в JSON).

            if (minimumSupported != null) {
                require(minimumSupported >= minimumMinimum) {
                    "minimumSupported must be at least $minimumMinimum, was $minimumSupported"
                }
            }
        }

        private
        val VersionNumber.isStable: Boolean
            get() = qualifier == null

        private