import org.gradle.internal.snapshot.ValueSnapshotter;

import javax.annotation.Nullable;

public class NullValueSnapshot implements ValueSnapshot, Isolatable<Object> {
    public static final NullValueSnapshot INSTANCE = new NullValueSnapshot();

    private NullValueSnapshot() {
    }

    @Override
    public ValueSnapshot snapshot(@Nullable Object value, ValueSnapshotter snapshotter) {

import org.gradle.internal.snapshot.impl.NullValueSnapshot
import org.gradle.internal.snapshot.impl.StringValueSnapshot
import org.gradle.internal.state.Managed
import org.gradle.internal.state.ManagedFactoryRegistry


object NullValueSnapshotCodec : Codec<NullValueSnapshot> {
    override suspend fun WriteContext.encode(value: NullValueSnapshot) {
    }

        write(original)

        expect:
        original == written
    }

    def "serializes null properties"() {
        def original = NullValueSnapshot.INSTANCE
        write(original)

        expect:
        original == written
    }

    def "serializes boolean properties"() {
        write(value)

        expect:

            this.classLoaderHasher = classLoaderHasher;
        }

        @Override
        public ValueSnapshot nullValue() {
            return NullValueSnapshot.INSTANCE;
        }

        @Override
        public ValueSnapshot stringValue(String value) {
            return new StringValueSnapshot(value);
        }

        @Override

            this.classLoaderHasher = classLoaderHasher;
            this.managedFactoryRegistry = managedFactoryRegistry;
        }

        @Override
        public Isolatable<?> nullValue() {
            return NullValueSnapshot.INSTANCE;
        }

        @Override
        public Isolatable<?> stringValue(String value) {
            return new StringValueSnapshot(value);
        }

        @Override