_ * pathProvider.get() >> { "../some-file" }
        _ * pathProvider.present >> true
        def otherFile = tmpDir.file("some-file")

        expect:
        def fileVar = factory.newFileProperty()
        def fileProvider = fileVar.asFile
        !fileVar.present
        fileVar.getOrNull() == null
        !fileProvider.present
        fileProvider.getOrNull() == null

import org.gradle.api.file.DirectoryProperty;
import org.gradle.api.file.RegularFileProperty;

public interface FilePropertyFactory {
    DirectoryProperty newDirectoryProperty();

    RegularFileProperty newFileProperty();

    @Override
    RegularFile someOtherValue3() {
        return baseDirectory.file("other3").get()
    }

    @Override
    PropertyInternal<RegularFile> propertyWithNoValue() {
        return factory.newFileProperty()
    }

    @Override
    ManagedFactory managedFactory() {
        new ManagedFactories.RegularFilePropertyManagedFactory(factory)
    }

        public <T> T fromState(Class<T> type, Object state) {
            if (!type.isAssignableFrom(PUBLIC_TYPE)) {
                return null;
            }
            return type.cast(filePropertyFactory.newFileProperty().value(Cast.<Provider<RegularFile>>uncheckedNonnullCast(state)));
        }

        @Override
        public int getId() {
            return FACTORY_ID;
        }
    }

        return filePropertyFactory.newDirectoryProperty();
    }

    @Override
    public RegularFileProperty fileProperty() {
        return filePropertyFactory.newFileProperty();
    }

    @Override
    public DependencyCollector dependencyCollector() {
        return newInstance(DefaultDependencyCollector.class);
    }

    @Override

    }

    @Override
    public DirectoryProperty newDirectoryProperty() {
        return new DefaultDirectoryVar(host, fileResolver, fileCollectionFactory);
    }

    @Override
    public RegularFileProperty newFileProperty() {
        return new DefaultRegularFileVar(host, fileResolver);
    }

    @Override
    public Directory dir(File dir) {
        dir = fileResolver.resolve(dir);

    FileResolver resolver = Mock()
    DomainObjectContext context = Mock()
    FileResourceListener listener = Mock()
    RegularFileProperty lockFile = TestFiles.filePropertyFactory().newFileProperty()

    def setup() {
        context.identityPath(_) >> { String value -> Path.path(value) }
        resolver.canResolveRelativePath() >> true

        lockMode = propertyFactory.property(LockMode.class);
        lockMode.convention(LockMode.DEFAULT);
        lockFile = filePropertyFactory.newFileProperty();
        ignoredDependencies = propertyFactory.listProperty(String.class);
        this.lockFileReaderWriter = new LockFileReaderWriter(fileResolver, context, lockFile, listener);
    }

    }

    override suspend fun ReadContext.decode(): DefaultRegularFileVar {
        val provider: Provider<RegularFile> = providerCodec.run { decodeProvider() }.uncheckedCast()
        return filePropertyFactory.newFileProperty().value(provider) as DefaultRegularFileVar
    }
}


class ListPropertyCodec(
    private val propertyFactory: PropertyFactory,
    private val providerCodec: FixedValueReplacingProviderCodec