public interface SerializableSupplier<T> extends java.io.Serializable {
                        T get();
                    }

                    private SerializableSupplier<Integer> serializableSupplier;
                    private NonSerializableSupplier<Integer> nonSerializableSupplier;

                    public void setSerializableSupplier(SerializableSupplier<Integer> supplier) {

 */

package org.gradle.api.internal.provider;

import com.google.common.collect.ImmutableCollection;
import com.google.common.collect.ImmutableSet;
import org.gradle.api.internal.lambdas.SerializableLambdas.SerializableSupplier;
import org.gradle.api.provider.Provider;
import org.gradle.api.provider.SetProperty;
import org.gradle.internal.Cast;

import javax.annotation.Nullable;
import java.util.Collections;
import java.util.Set;

 */

package org.gradle.api.internal.provider;

import com.google.common.collect.ImmutableCollection;
import com.google.common.collect.ImmutableList;
import org.gradle.api.internal.lambdas.SerializableLambdas.SerializableSupplier;
import org.gradle.api.provider.ListProperty;
import org.gradle.api.provider.Provider;
import org.gradle.internal.Cast;

import javax.annotation.Nullable;
import java.util.List;

        return callable;
    }

    public static <T, U, R> BiFunction<T, U, R> bifunction(SerializableBiFunction<T, U, R> f) {
        return f;
    }

    public static <T> Supplier<T> supplier(SerializableSupplier<T> supplier) {
        return supplier;
    }

    /**
     * A {@link Serializable} version of {@link Spec}.
     */
    public interface SerializableSpec<T> extends Spec<T>, Serializable {
    }

        file("buildSrc/src/main/java/SerializableSupplier.java") << """
            import ${Serializable.name};
            import ${Supplier.name};

            // An interface with method that creates a serializable lambda instance
            public interface SerializableSupplier extends Supplier<String>, Serializable {
                static SerializableSupplier of(String value) {
                    return () -> value;