@Named
@Singleton
@Deprecated
public class DefaultPluginManager implements PluginManager {

    private final PlexusContainer container;
    private final MavenPluginManager pluginManager;
    private final PluginVersionResolver pluginVersionResolver;
    private final PluginPrefixResolver pluginPrefixResolver;
    private final LegacySupport legacySupport;

    @Inject
    public DefaultPluginManager(
            PlexusContainer container,

import javax.annotation.concurrent.NotThreadSafe;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Optional;

@NotThreadSafe
public class DefaultPluginManager implements PluginManagerInternal {

    public static final String CORE_PLUGIN_NAMESPACE = "org" + DefaultPluginId.SEPARATOR + "gradle";

    if (scriptPlugin.id == DefaultPluginManager.CORE_PLUGIN_NAMESPACE || scriptPlugin.id.startsWith(DefaultPluginManager.CORE_PLUGIN_PREFIX)) {
        throw PrecompiledScriptException(
            String.format(
                "The precompiled plugin (%s) cannot start with '%s' or be in the '%s' package.", this.relativePath(scriptPlugin.scriptFile),

import org.gradle.api.internal.initialization.ScriptHandlerInternal;
import org.gradle.api.internal.plugins.AddSoftwareTypesAsExtensionsPluginTarget;
import org.gradle.api.internal.plugins.DefaultPluginManager;
import org.gradle.api.internal.plugins.ImperativeOnlyPluginTarget;
import org.gradle.api.internal.plugins.PluginInstantiator;
import org.gradle.api.internal.plugins.PluginManagerInternal;

    def pluginRegistry = new DefaultPluginRegistry(pluginInspector, scope(classLoader))
    def target = Mock(PluginTarget)
    def instantiator = TestUtil.instantiatorFactory().inject()
    def pluginManager = new DefaultPluginManager(pluginRegistry, instantiator, target, new TestBuildOperationRunner(), new DefaultUserCodeApplicationContext(), CollectionCallbackActionDecorator.NOOP, TestUtil.domainObjectCollectionFactory())

    @Subject

        // Don't want to risk classes crossing “scope” boundaries and being non collectible.

        if (pluginId.getNamespace() == null) {
            PluginId qualified = pluginId.withNamespace(DefaultPluginManager.CORE_PLUGIN_NAMESPACE);
            Optional<PluginImplementation<?>> lookup = uncheckedGet(idMappings, new PluginIdLookupCacheKey(qualified, classLoader));
            if (lookup.isPresent()) {

        getLocalClassLoader() >> classLoader
    }
    def registry = new DefaultPluginRegistry(new PluginInspector(new ModelRuleSourceDetector()), classLoaderScope)
    def target = Mock(PluginTarget)
    def manager = new DefaultPluginManager(registry, TestUtil.instantiatorFactory().inject(), target, new TestBuildOperationRunner(), new DefaultUserCodeApplicationContext(), CollectionCallbackActionDecorator.NOOP, TestUtil.domainObjectCollectionFactory())