});
    }

    @Override
    public void visitRegisteredProperties(PropertyVisitor visitor) {
        for (Object registeredPath : registeredPaths) {
            visitor.visitDestroyableProperty(registeredPath);
        }
    }

    @Override
    public FileCollection getRegisteredFiles() {
        return fileCollectionFactory.resolving("destroyables", registeredPaths);
    }

    default void visitOutputFileProperty(String propertyName, boolean optional, PropertyValue value, OutputFilePropertyType filePropertyType) {}

    default void visitDestroyableProperty(Object value) {}

    default void visitLocalStateProperty(Object value) {}

    /**
     * Visits a service reference. Service references may or may not be declared with a name.
     */

                    TaskPropertyUtils.visitProperties(propertyWalker, it, new PropertyVisitor() {
                        @Override
                        void visitDestroyableProperty(Object value) {
                            destroyablePaths << value
                        }
                    })
                    def destroyableFiles = files(destroyablePaths).files

        1 * visitor.visitOutputFileProperty('bean.outputDir', false, { it.call().path == 'outputDir' }, OutputFilePropertyType.DIRECTORY)

        1 * visitor.visitDestroyableProperty({ it.call().path == 'destroyed' })

        1 * visitor.visitLocalStateProperty({ it.call().path == 'localState' })

        0 * _
    }

    static class MyTask extends DefaultTask {

        @Input

            isProducer = true;
        }

        @Override
        public void visitDestroyableProperty(Object value) {
            isDestroyer = true;
        }

        @Override
        public void visitLocalStateProperty(Object value) {
            isProducer = true;
        }