*/

package org.gradle.api.invocation

import org.gradle.api.JavaVersion
import org.gradle.api.initialization.Settings
import org.gradle.api.services.BuildService
import org.gradle.api.services.BuildServiceParameters
import org.gradle.groovy.scripts.internal.DefaultScriptCompilationHandler.ScriptClassLoader
import org.gradle.initialization.DefaultSettings
import org.gradle.integtests.fixtures.AbstractIntegrationSpec

 * the service to tasks.</p>
 *
 * <p>A service implementation may optionally take parameters. To do this create a subtype of {@link BuildServiceParameters} and declare this
 * type as the type parameter to the service implementation.</p>
 *
 * <p>A service may optionally implement {@link AutoCloseable}, in which case {@link AutoCloseable#close()} will be called when

     * @return A {@link Provider} that will create the service instance when queried.
     */
    <T extends BuildService<P>, P extends BuildServiceParameters> Provider<T> registerIfAbsent(String name, Class<T> implementationType, Action<? super BuildServiceSpec<P>> configureAction);

    /**

import org.gradle.api.model.ObjectFactory;
import org.gradle.api.provider.Property;
import org.gradle.api.provider.Provider;
import org.gradle.api.provider.ProviderFactory;
import org.gradle.api.services.BuildServiceParameters;
import org.gradle.api.services.BuildServiceRegistry;
import org.gradle.api.services.BuildServiceSpec;
import org.gradle.internal.authentication.AuthenticationSchemeRegistry;

import org.gradle.api.provider.Provider
import org.gradle.api.provider.ValueSource
import org.gradle.api.provider.ValueSourceParameters
import org.gradle.api.services.BuildService
import org.gradle.api.services.BuildServiceParameters
import org.gradle.api.services.ServiceReference
import org.gradle.api.tasks.Input
import org.gradle.api.tasks.Internal
import org.gradle.api.tasks.Optional
import org.gradle.api.tasks.TaskAction

import org.gradle.api.services.BuildService
import org.gradle.api.services.BuildServiceParameters
import org.gradle.api.tasks.testing.Test
import org.gradle.util.GradleVersion
import java.io.StringReader
import java.util.Properties


abstract class BuildBucketProvider : BuildService<BuildBucketProvider.Params> {

    interface Params : BuildServiceParameters {
        val includeTestClasses: Property<String>

import org.gradle.api.internal.tasks.SnapshotTaskInputsBuildOperationType
import org.gradle.api.internal.tasks.execution.ExecuteTaskBuildOperationType
import org.gradle.api.services.BuildService
import org.gradle.api.services.BuildServiceParameters
import org.gradle.integtests.fixtures.executer.GradleExecuter
import org.gradle.integtests.fixtures.executer.UserInitScriptExecuterFixture
import org.gradle.internal.build.event.BuildEventListenerRegistryInternal

import org.gradle.api.services.BuildService
import org.gradle.api.services.BuildServiceParameters
import org.gradle.api.specs.Spec
import org.gradle.util.GradleVersion
import java.io.File
import javax.inject.Inject


abstract class CachesCleaner : BuildService<CachesCleaner.Params> {
    interface Params : BuildServiceParameters {
        val gradleVersion: Property<String>
        val homeDir: DirectoryProperty
    }

        groovyFile(file("plugin1/src/main/groovy/my.plugin1.gradle"), """
            import org.gradle.api.services.BuildService
            import org.gradle.api.services.BuildServiceParameters
            abstract class MyService implements BuildService<BuildServiceParameters.None> {
                String hello(String message) {
                    "Hello, \$message"
                }
            }

The service implementation can access the parameters using `this.getParameters()`.
The parameters type is also a <<custom_gradle_types.adoc#custom_gradle_types,custom Gradle type>>.