}

    @Override
    public String toString() {
      return "Functions.toStringFunction()";
    }
  }

  /**
   * Returns the identity function.
   *
   * <p><b>Discouraged:</b> Prefer using a lambda like {@code v -> v}, which is shorter and often
   * more readable.
   */
  // implementation is "fully variant"; E has become a "pass-through" type
  @SuppressWarnings("unchecked")

                recurseDeeper(current.rhs)
                appendLine()
                appendIndented(")")
            }

            is FunctionArgument.Lambda -> {
                append("FunctionArgument.Lambda [${source()}] (\n")
                appendNextIndented("block = ")
                recurseDeeper(current.block)
                appendLine()
                appendIndented(")")
            }

                    return "bar"
                }
            """,
            { assertThat(it.instantiateAndCall("foo"), equalTo("bar")) }
        ).assertSameApi()
    }

    // test throws until we can detect lambdas in inline functions and treat them as ABI
    @Test(expected = CompileAvoidanceException::class)
    fun `changes to inline method bodies change generated API class`() {
        givenChangingClass(
            "Foo",

import kotlin.test.Test
import kotlin.test.assertEquals


object OverloadResolutionTest {
    @Test
    fun `function overloads with and without configure lambda are disambiguated`() {
        val schema = schemaFromTypes(MyTopLevelReceiver::class, listOf(MyTopLevelReceiver::class))

        val code = """
            addSomething(1)
            addSomething(1) { }

		configLogIf(ctx, fmt.Errorf("Unable to initialize notification target(s): %w", err))
	}

	bootstrapTraceMsg("initialize the lambda targets")
	globalLambdaTargetList, err = lambda.FetchEnabledTargets(GlobalContext, s, transport)
	if err != nil {
		configLogIf(ctx, fmt.Errorf("Unable to initialize lambda target(s): %w", err))
	}

	bootstrapTraceMsg("applying the dynamic configuration")
	// Apply dynamic config values

     */
    public static Supplier<Long> inThePast(int value, TimeUnit timeUnit) {
        // This needs to be an anonymous inner class instead of a lambda for configuration cache compatibility
        return new Supplier<Long>() {
            @Override
            public Long get() {
                return Math.max(0, System.currentTimeMillis() - timeUnit.toMillis(value));

 * limitations under the License.
 */

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;

 * limitations under the License.
 */

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;

    def "class can include only serializable lambda"() {
        given:
        def cl = transformAndLoad(ClassWithSerializableLambda, ClassWithSerializableLambda.SerializableThing)

        expect:
        def original = cl.thing(123)
        def result = recreate(original).call()

        result == "123"
    }

    def "interface can include only serializable lambda"() {
        given:

        val resolver = tracingCodeResolver()

        val topLevelBlock = parseAsTopLevelBlock(
            """
            addAndConfigure("correct") { }
            addAndConfigure("lambda missing")
            addAndConfigure("incorrect signature", 1) {
                number = 123