}

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

    @Override
    public void visitPropertyValue(String propertyName, PropertyValue value, PropertyMetadata propertyMetadata, PropertyVisitor visitor) {
    }

    @Override
    public void validatePropertyMetadata(PropertyMetadata propertyMetadata, TypeValidationContext validationContext) {

            }
        }

        private
        fun verifyTryGetProperty(propertyName: String) =
            inOrder(target, dynamicObject) {
                verify(target as DynamicObjectAware).asDynamicObject
                verify(dynamicObject).tryGetProperty(propertyName)
                verifyNoMoreInteractions()
            }

            @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.
     */

        }
        1 * fileCollectionSnapshotter.snapshot(contents) >> { throw failure }
        0 * _

        then:
        def ex = thrown OutputSnapshotter.OutputFileSnapshottingException
        ex.propertyName == "output"
        ex.cause == failure
    }

        GetInputPropertiesVisitor visitor = new GetInputPropertiesVisitor()
        TaskPropertyUtils.visitProperties(propertyWalker, task, visitor)
        return visitor.getProperties().collectEntries { [it.propertyName, it.value.call()] }
    }

    static FileCollection getInputFiles(DefaultTask task) {
        def fileCollectionFactory = task.getServices().get(FileCollectionFactory)

    pluginsExtension.name,
    accessorDescriptorFor(pluginsExtension.receiverType.internalName, pluginsExtension.returnType.internalName)
)


internal
fun jvmGetterSignatureFor(propertyName: String, desc: String): JvmMethodSignature =
    // Accessors honor the kotlin property jvm interop convention.
    // The only difference with JavaBean 1.01 is to prefer `get` over `is` for boolean properties.