@Override
            void visitInputFileProperty(String propertyName, boolean optional, InputBehavior behavior, DirectorySensitivity emptyDirectorySensitivity, LineEndingSensitivity lineEndingNormalization, @Nullable FileNormalizer fileNormalizer, PropertyValue value, InputFilePropertyType filePropertyType) {
                names += propertyName
            }
        })
        then:
        names == ['$1', '$2']

                private <T> T doGet(ModelProperty<T> property, String propertyName) {
                    ModelType<T> propertyType = property.getType();

                    // TODO we are relying on the registration having established these links, we should be checking
                    MutableModelNode propertyNode = modelNode.getLink(propertyName);
                    propertyNode.ensureUsable();

    @Override
    public boolean isPropertyRelevant() {
        return true;
    }

    @Override
    public void visitPropertyValue(String propertyName, PropertyValue value, PropertyMetadata propertyMetadata, PropertyVisitor visitor) {
        visitor.visitInputProperty(propertyName, value, propertyMetadata.isAnnotationPresent(Optional.class));
    }

    @Override

        ImmutableList.Builder<String> builder = ImmutableList.builder();
        work.visitOutputs(context.getWorkspace(), new UnitOfWork.OutputVisitor() {
            @Override
            public void visitOutputProperty(String propertyName, TreeType type, UnitOfWork.OutputFileValueSupplier value) {
                builder.add(value.getValue().getAbsolutePath());
            }

            @Override

     */
    boolean isPropertyRelevant();

    /**
     * Visit the value of a property with this annotation attached.
     */
    void visitPropertyValue(String propertyName, PropertyValue value, PropertyMetadata propertyMetadata, PropertyVisitor visitor);

    /**
     * Visits problems associated with the given property, if any.
     */

    }

    def "logs deprecated property message"() {
        when:
        DeprecationLogger.deprecateProperty(DeprecationLogger, "propertyName").withAdvice("Advice.").willBeRemovedInGradle9().undocumented().nagUser()

        then:
        expectMessage "The DeprecationLogger.propertyName property has been deprecated. This is scheduled to be removed in Gradle ${NEXT_GRADLE_VERSION}. Advice."
    }

            }
        }
    }

    override fun flagRead(flag: FeatureFlag) {
        flag.systemPropertyName?.let { propertyName ->
            sink().systemPropertyRead(propertyName, System.getProperty(propertyName))
        }
    }

    fun append(fingerprint: ProjectSpecificFingerprint) {
        // TODO - should add to report as an input

    public abstract fun getTypeAliasByClassId(classId: ClassId): KaTypeAliasSymbol?

    public abstract fun getTopLevelCallableSymbols(packageFqName: FqName, name: Name): Sequence<KaCallableSymbol>

    @Suppress("PropertyName")
    public abstract val ROOT_PACKAGE_SYMBOL: KaPackageSymbol
}

public typealias KtSymbolProvider = KaSymbolProvider

public interface KaSymbolProviderMixIn : KaSessionMixIn {

                if (accessorType != null) {
                    String propertyName = accessorType.propertyNameFor(name);
                    if (accessorType == PropertyAccessorType.IS_GETTER) {
                        booleanIsGetters.add(propertyName);
                    } else if (accessorType == PropertyAccessorType.GET_GETTER) {
                        booleanGetGetters.add(propertyName);
                    }
                }
            }

            final VaErrorHook hook) {
        if (values.length == 0) {
            return;
        }
        for (final String value : values) {
            if (value.indexOf(',') >= 0) {
                action.throwValidationError(messages -> {
                    messages.addErrorsInvalidStrIsIncluded(propertyName, value, ",");
                }, hook);