}

    @Override
    public String getContextualAdvice() {
        return featureUsage.getContextualAdvice();
    }

    @Override
    public String getDocumentationUrl() {
        DocLink documentationUrl = featureUsage.getDocumentationUrl();
        return documentationUrl == null ? null : documentationUrl.getUrl();
    }

    @Override
    public String getType() {
        return featureUsage.getType().name();

     */
    @Nullable
    String getContextualAdvice();

    /**
     * See {@code org.gradle.internal.deprecation.DeprecatedFeatureUsage#getDocumentationUrl()}
     *
     * @since 6.2
     */
    @Nullable
    String getDocumentationUrl();

    /**
     * See {@code org.gradle.internal.deprecation.DeprecatedFeatureUsage#getType()}.
     *

        expect:
        featureUsage.getDocumentationUrl()?.getUrl() == expected

        where:
        documentationReference                 | expected
        null                                   | null

     *
     * Example: https://docs.gradle.org/current/userguide/upgrading_version_5.html#plugin_validation_changes
     */
    @Nullable
    public DocLink getDocumentationUrl() {
        return documentation;
    }

    public DeprecatedFeatureUsage.Type getType() {
        return type;
    }

    public String getProblemIdDisplayName() {

                    .contextualLabel(usage.getSummary())
                    .details(usage.getRemovalDetails())
                    .documentedAt(usage.getDocumentationUrl())
                    .additionalData(DeprecationDataSpec.class, new Action<DeprecationDataSpec>() {
                        @Override
                        public void execute(DeprecationDataSpec data) {