/*
 * Copyright (c) 2012, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package com.sun.ts.tests.jaxrs.api.rs.core.configuration;

import java.util.HashMap;
import java.util.Map;

import jakarta.ws.rs.RuntimeType;
import jakarta.ws.rs.client.Client;
import jakarta.ws.rs.client.ClientBuilder;
import jakarta.ws.rs.client.WebTarget;
import jakarta.ws.rs.core.Configurable;
import jakarta.ws.rs.core.Configuration;
import jakarta.ws.rs.ext.MessageBodyReader;

import com.sun.ts.tests.jaxrs.api.rs.core.configurable.Assertable;
import com.sun.ts.tests.jaxrs.api.rs.core.configurable.CallableProvider;
import com.sun.ts.tests.jaxrs.api.rs.core.configurable.Registrar;
import com.sun.ts.tests.jaxrs.api.rs.core.configurable.SingleCheckAssertable;
import com.sun.ts.tests.jaxrs.common.JAXRSCommonClient;

/*
 * @class.setup_props: webServerHost;
 *                     webServerPort;
 *                     ts_home;
 */
public class JAXRSClient extends JAXRSCommonClient {

  private static final long serialVersionUID = -6325966971451285868L;

  private int registeredPropertiesCnt = -1;

  private int registeredClassesCnt = -1;

  private int registeredInstancesCnt = -1;

  /**
   * Entry point for different-VM execution. It should delegate to method
   * run(String[], PrintWriter, PrintWriter), and this method should not contain
   * any test configuration.
   */
  public static void main(String[] args) {
    new JAXRSClient().run(args);
  }

  /* Run test */

  /*
   * @testName: getPropertiesTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:995; JAXRS:JAVADOC:758;
   * 
   * @test_Strategy: Get the immutable bag of configuration properties. Set the
   * new configuration property
   */
  public void getPropertiesTest() throws Fault {
    Assertable assertable = new Assertable() {

      @Override
      public void check1OnClient(Client client) throws Fault {
        assertSizeAndLog(client.getConfiguration(), 1);
      }

      @Override
      public void check2OnTarget(WebTarget target) throws Fault {
        assertSizeAndLog(target.getConfiguration(), 2);
      }

      void assertSizeAndLog(Configuration config, int size) throws Fault {
        int pSize = config.getProperties().size();
        assertEqualsInt(pSize, size + registeredPropertiesCnt,
            "getConfiguration().getProperties() is not unexpected",
            getLocation(), "got", pSize, "properties");
        logMsg("Found", pSize, "properties");
      }

    };
    checkConfigWithProperties(assertable);
  }

  /*
   * @testName: getPropertiesIsImmutableTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:995; JAXRS:JAVADOC:758;
   * 
   * @test_Strategy: Get the immutable bag of configuration properties. Set the
   * new configuration property
   */
  public void getPropertiesIsImmutableTest() throws Fault {
    Assertable assertable = new Assertable() {

      @Override
      public void check1OnClient(Client client) throws Fault {
        setNewProperty(client.getConfiguration());
        assertSizeAndLog(client.getConfiguration(), 1);
      }

      @Override
      public void check2OnTarget(WebTarget target) throws Fault {
        setNewProperty(target.getConfiguration());
        assertSizeAndLog(target.getConfiguration(), 2);
      }

      void setNewProperty(Configuration config) {
        try {
          config.getProperties().put("property88", "property88");
        } catch (Exception e) {
          // can throw an exception or do nothing
          // or getProperties can be hard copy
        }
      }

      void assertSizeAndLog(Configuration config, int size) throws Fault {
        assertFault(
            config.getProperties().size() == size + registeredPropertiesCnt,
            "getConfiguration().getProperties() is NOT immutable",
            getLocation(), "got", config.getProperties().size());
        logMsg("Found", config.getProperties().size(), " properties");
      }

    };
    checkConfigWithProperties(assertable);
  }

  /*
   * @testName: getPropertyTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:996; JAXRS:JAVADOC:758;
   * 
   * @test_Strategy: Get the value for the property with a given name. Set the
   * new configuration property
   */
  public void getPropertyTest() throws Fault {
    Assertable assertable = new Assertable() {

      @Override
      public void check1OnClient(Client client) throws Fault {
        assertPropertyIsSet(client.getConfiguration(), "property0");
        logMsg("Found", client.getConfiguration().getProperty("property0"));
      }

      @Override
      public void check2OnTarget(WebTarget target) throws Fault {
        assertPropertyIsSet(target.getConfiguration(), "property0");
        assertPropertyIsSet(target.getConfiguration(), "property1");
        logMsg("Found", target.getConfiguration().getProperty("property1"));
      }

      void assertPropertyIsSet(Configuration config, String property)
          throws Fault {
        assertFault(config.getProperty(property).equals(property),
            "config.setProperty() did not set anything", getLocation());
      }

    };
    checkConfigWithProperties(assertable);
  }

  /*
   * @testName: getPropertyIsNullTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:996; JAXRS:JAVADOC:758;
   * 
   * @test_Strategy: null if the property with such name is not configured.
   */
  public void getPropertyIsNullTest() throws Fault {
    Assertable assertable = new SingleCheckAssertable() {
      void assertPropertyIsNull(Configurable<?> config) throws Fault {
        assertFault(config.getConfiguration().getProperty("property88") == null,
            "#getProperty('nonexisting') != null", getLocation());
        logMsg("#getProperty('nonexisting') is null as expected");
      }

      @Override
      protected void check(Configurable<?> configurable) throws Fault {
        assertPropertyIsNull(configurable);
      }

    };
    checkConfigWithProperties(assertable);
  }

  /*
   * @testName: getClassesTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:992; JAXRS:JAVADOC:758;
   * 
   * @test_Strategy: Get the immutable set of registered provider classes to be
   * instantiated, injected and utilized in the scope of the configured
   * instance. A provider class is a Java class with a jakarta.ws.rs.ext.Provider
   * annotation declared on the class that implements a specific service
   * interface.
   * 
   * Register a provider class to be instantiated
   */
  public void getClassesTest() throws Fault {
    Assertable assertable = new Assertable() {

      @Override
      public void check1OnClient(Client client) throws Fault {
        assertSizeAndLog(client.getConfiguration(), 1);
      }

      @Override
      public void check2OnTarget(WebTarget target) throws Fault {
        assertSizeAndLog(target.getConfiguration(), 2);
      }

      void assertSizeAndLog(Configuration config, int count) throws Fault {
        assertFault(config.getClasses().size() == count + registeredClassesCnt,
            "config.getClasses() return unexcepted size", getLocation(),
            config.getClasses().size());
        logMsg("Found", config.getClasses().size(), "providers");
      }

    };
    Class<?>[] providerClasses = new Class[] { CallableProvider1.class,
        CallableProvider2.class };
    checkConfig(assertable, providerClasses);
  }

  /*
   * @testName: getClassesIsImmutableTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:992; JAXRS:JAVADOC:758;
   * 
   * @test_Strategy: Get the immutable set of registered provider classes to be
   * instantiated, injected and utilized in the scope of the configured
   * instance. A provider class is a Java class with a jakarta.ws.rs.ext.Provider
   * annotation declared on the class that implements a specific service
   * interface.
   *
   * Register a provider class to be instantiated
   */
  public void getClassesIsImmutableTest() throws Fault {
    Assertable assertable = new Assertable() {

      @Override
      public void check1OnClient(Client client) throws Fault {
        assertSizeAndLog(client.getConfiguration(), 0);
        registerNewProviderInstance(client.getConfiguration());
        assertSizeAndLog(client.getConfiguration(), 0);
      }

      @Override
      public void check2OnTarget(WebTarget target) throws Fault {
        registerNewProviderInstance(target.getConfiguration());
        assertSizeAndLog(target.getConfiguration(), 0);
      }

      void assertSizeAndLog(Configuration config, int count) throws Fault {
        if (config.getClasses().size() == 1)
          logMsg("Found", config.getClasses().iterator().next());
        assertFault(config.getClasses().size() == count + registeredClassesCnt,
            "config.getClasses() return unexcepted size", getLocation(),
            config.getClasses().size());
        logMsg("Found", config.getClasses().size(), "providers");
      }

      void registerNewProviderInstance(Configuration config) {
        Class<?> clz = CallableProvider.class;
        try {
          config.getClasses().add(clz);
        } catch (Exception e) {
          // can throw exception or do nothing
          // when adding to this immutable set
          // or it can be a new hard copied set
        }
      }

    };
    checkConfigWithProperties(assertable);
  }

  /*
   * @testName: getClassesIsNeverNullTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:992; JAXRS:JAVADOC:758;
   * 
   * @test_Strategy: The returned value shall never be null.
   *
   * Register a provider ("singleton") instance
   */
  public void getClassesIsNeverNullTest() throws Fault {
    Assertable assertable = new SingleCheckAssertable() {

      @Override
      protected void check(Configurable<?> configurable) throws Fault {
        assertNotNullAndLog(configurable);
      }

      void assertNotNullAndLog(Configurable<?> config) throws Fault {
        assertNotNull(config.getConfiguration().getClasses(),
            "#getClasses shall never be null", getLocation());
        logMsg("#getClasses() is not null as expected", getLocation());
      }
    };
    checkConfigWithProperties(assertable);
  }

  /*
   * @testName: getInstancesTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:994; JAXRS:JAVADOC:758;
   * 
   * @test_Strategy: Get the immutable set of registered provider instances to
   * be utilized by the configurable instance.
   * 
   * Register a provider ("singleton") instance
   */
  public void getInstancesTest() throws Fault {
    Assertable assertable = new Assertable() {

      @Override
      public void check1OnClient(Client client) throws Fault {
        assertSizeAndLog(client.getConfiguration(), 1);
      }

      @Override
      public void check2OnTarget(WebTarget target) throws Fault {
        assertSizeAndLog(target.getConfiguration(), 2);
      }

      void assertSizeAndLog(Configuration config, int count) throws Fault {
        assertFault(
            config.getInstances().size() == count + registeredInstancesCnt,
            "config.getClasses() return unexcepted size", getLocation(),
            config.getInstances().size());
        logMsg("Found", config.getInstances().size(), "providers");
      }

    };
    Object[] providerObjects = createProviderInstances();
    checkConfig(assertable, providerObjects);
  }

  /*
   * @testName: getInstancesIsImmutableTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:994; JAXRS:JAVADOC:758;
   * 
   * @test_Strategy: Get the immutable set of registered provider instances to
   * be utilized by the configurable instance.
   * 
   * Register a provider ("singleton") instance
   */
  public void getInstancesIsImmutableTest() throws Fault {
    Assertable assertable = new SingleCheckAssertable() {
      @Override
      protected void check(Configurable<?> configurable) throws Fault {
        registerNewProviderInstance(configurable.getConfiguration());
        assertSizeAndLog(configurable.getConfiguration(), 0);
      }

      void assertSizeAndLog(Configuration config, int count) throws Fault {
        assertFault(config.getClasses().size() == count + registeredClassesCnt,
            "config.getClasses() return unexcepted size", getLocation(),
            config.getClasses().size());
        logMsg("Found", config.getClasses().size(), "providers");
      }

      void registerNewProviderInstance(Configuration config) {
        try {
          config.getInstances().add(new CallableProvider());
        } catch (Exception e) {
          // can throw exception or do nothing
          // when adding to this immutable set
          // or it can be a new hard copied set
        }
      }
    };
    checkConfigWithProperties(assertable);
  }

  /*
   * @testName: getContractsTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:993;
   * 
   * @test_Strategy: Get the extension contract registration information for a
   * component of a given class.
   */
  public void getContractsTest() throws Fault {
    final int priority = 124;
    Assertable assertable = new SingleCheckAssertable() {

      void assertNotNullAndLog(Configurable<?> config) throws Fault {
        Map<Class<?>, Integer> map = config.getConfiguration()
            .getContracts(CallableProvider.class);
        assertEqualsInt(1, map.size(), "Unexpected contract size", map.size());
        Class<?> contract = map.entrySet().iterator().next().getKey();
        assertEquals(MessageBodyReader.class, contract, "Unexpected contract",
            contract, getLocation());
        logMsg("#getContracts() is", contract, "as expected", getLocation());
        int p = map.get(contract);
        assertEqualsInt(priority, p, "Unexpected priority", p);
        logMsg("Found expected priority", p);
      }

      @Override
      protected void check(Configurable<?> configurable) throws Fault {
        assertNotNullAndLog(configurable);
      }
    };

    Registrar registrar = new Registrar() {
      @Override
      public void register(Configurable<?> config, Object registerable) {
        Map<Class<?>, Integer> map = new HashMap<Class<?>, Integer>();
        map.put(MessageBodyReader.class, priority);
        config.register(CallableProvider.class, map);
      }
    };
    checkConfigWithProperties(registrar, assertable);
  }

  /*
   * @testName: getContractsIsNeverNullTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:993;
   * 
   * @test_Strategy: Get the extension contract registration information for a
   * component of a given class. Method does not return null.
   */
  public void getContractsIsNeverNullTest() throws Fault {
    Assertable assertable = new SingleCheckAssertable() {

      void assertNotNullAndLog(Configurable<?> config) throws Fault {
        Map<Class<?>, Integer> map = config.getConfiguration()
            .getContracts(MessageBodyReader.class);
        assertNotNull(map, "getContracts is null", getLocation());
        logMsg("#getContracts() is not null as expected", getLocation());
      }

      @Override
      protected void check(Configurable<?> configurable) throws Fault {
        assertNotNullAndLog(configurable);
      }
    };

    checkConfigWithProperties(assertable);
  }

  /*
   * @testName: getInstancesIsNeverNullTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:994; JAXRS:JAVADOC:758;
   * 
   * @test_Strategy: The returned value shall never be null.
   *
   * Register a provider ("singleton") instance
   */
  public void getInstancesIsNeverNullTest() throws Fault {
    Assertable assertable = new SingleCheckAssertable() {

      void assertNotNullAndLog(Configurable<?> config) throws Fault {
        assertNotNull(config.getConfiguration().getInstances(),
            "config.getInstances() shall never be null", getLocation());
        logMsg("#getInstances() is not null as expected", getLocation());
      }

      @Override
      protected void check(Configurable<?> configurable) throws Fault {
        assertNotNullAndLog(configurable);
      }
    };
    checkConfigWithProperties(assertable);
  }

  /*
   * @testName: getPropertyNamesTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:997;
   * 
   * @test_Strategy: Returns an immutable collection containing the property
   * names available within the context of the current configuration instance.
   */
  public void getPropertyNamesTest() throws Fault {
    Assertable assertable = new Assertable() {

      @Override
      public void check1OnClient(Client client) throws Fault {
        assertSizeAndLog(client.getConfiguration(), 1);
      }

      @Override
      public void check2OnTarget(WebTarget target) throws Fault {
        assertSizeAndLog(target.getConfiguration(), 2);
      }

      void assertSizeAndLog(Configuration config, int size) throws Fault {
        int names = config.getPropertyNames().size();
        assertEqualsInt(names, size + registeredPropertiesCnt,
            "getPropertyNames() is unexpected", getLocation(), "got", names,
            "properties");
        logMsg("Found", names, "properties");
      }
    };

    checkConfigWithProperties(assertable);
  }

  /*
   * @testName: getPropertyNamesIsImmutableTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:997; JAXRS:JAVADOC:758;
   * 
   * @test_Strategy: Returns an immutable collection containing the property
   * names available within the context of the current configuration instance.
   * Set the new configuration property
   */
  public void getPropertyNamesIsImmutableTest() throws Fault {
    Assertable assertable = new Assertable() {

      @Override
      public void check1OnClient(Client client) throws Fault {
        setNewProperty(client.getConfiguration());
        assertSizeAndLog(client.getConfiguration(), 1);
      }

      @Override
      public void check2OnTarget(WebTarget target) throws Fault {
        setNewProperty(target.getConfiguration());
        assertSizeAndLog(target.getConfiguration(), 2);
      }

      void setNewProperty(Configuration config) {
        try {
          config.getPropertyNames().add("property88");
        } catch (Exception e) {
          // can throw an exception or do nothing
          // or getPropertyNames can be hard copy
        }
      }

      void assertSizeAndLog(Configuration config, int size) throws Fault {
        int pSize = config.getPropertyNames().size();
        assertEqualsInt(pSize, size + registeredPropertiesCnt,
            "getPropertyNames() is NOT immutable", getLocation(), "got", pSize,
            "properties");
        logMsg("Found", pSize, " properties");
      }

    };
    checkConfigWithProperties(assertable);
  }

  /*
   * @testName: getRuntimeTypeTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:998;
   * 
   * @test_Strategy: Get the runtime type of this configuration context.
   */
  public void getRuntimeTypeTest() throws Fault {
    Assertable assertable = new SingleCheckAssertable() {

      void assertNotNullAndLog(Configurable<?> config) throws Fault {
        assertEquals(RuntimeType.CLIENT,
            config.getConfiguration().getRuntimeType(),
            "getRuntimeType() is unexpected",
            config.getConfiguration().getRuntimeType(), getLocation());
        logMsg("#getRuntimeType() is", RuntimeType.CLIENT, "as expected",
            getLocation());
      }

      @Override
      protected void check(Configurable<?> configurable) throws Fault {
        assertNotNullAndLog(configurable);
      }
    };
    checkConfigWithProperties(assertable);
  }

  /*
   * @testName: isRegisteredProviderRegisteredInstanceTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:1001; JAXRS:JAVADOC:1002;
   * 
   * @test_Strategy: Check if a particular JAX-RS component instance (such as
   * providers or features) has been previously registered in the runtime
   * configuration context.
   * 
   * Method returns true only in case an instance equal to the component
   * instance is already present among the components previously registered in
   * the configuration context.
   */
  public void isRegisteredProviderRegisteredInstanceTest() throws Fault {
    Assertable assertable = new Assertable() {
      CallableProvider1 p1 = new CallableProvider1();

      CallableProvider2 p2 = new CallableProvider2();

      @Override
      public void check1OnClient(Client client) throws Fault {
        client.register(p1);
        assertSizeAndLog(client.getConfiguration(), 1);
      }

      @Override
      public void check2OnTarget(WebTarget target) throws Fault {
        target.register(p2);
        assertSizeAndLog(target.getConfiguration(), 2);
      }

      void assertSizeAndLog(Configuration config, int size) throws Fault {
        assertFalse(config.isRegistered(CallableProvider.class),
            "CallableProvider is unexpectedly registered");
        switch (size) {
        case 2:
          assertFalse(config.isRegistered(new CallableProvider2()),
              "CallableProvider2 is registered", getLocation());
          assertTrue(config.isRegistered(p2),
              "CallableProvider2.class is NOT registered", getLocation());
          assertTrue(config.isRegistered(CallableProvider2.class),
              "CallableProvider2.class is NOT registered", getLocation());
          logMsg("Found registered CallableProvider2 as expected",
              getLocation());
        case 1:
          assertFalse(config.isRegistered(new CallableProvider1()),
              "CallableProvider1 is registered", getLocation());
          assertTrue(config.isRegistered(p1),
              "CallableProvider1.class is NOT registered", getLocation());
          assertTrue(config.isRegistered(CallableProvider1.class),
              "CallableProvider1.class is NOT registered", getLocation());
          logMsg("Found registered CallableProvider1 as expected",
              getLocation());
        }
      }

    };
    checkConfigWithProperties(assertable);
  }

  /*
   * @testName: isRegisteredProviderRegisteredClassTest
   * 
   * @assertion_ids: JAXRS:JAVADOC:1001; JAXRS:JAVADOC:1002;
   * 
   * @test_Strategy: Check if a particular JAX-RS component instance (such as
   * providers or features) has been previously registered in the runtime
   * configuration context.
   */
  public void isRegisteredProviderRegisteredClassTest() throws Fault {
    Assertable assertable = new Assertable() {

      @Override
      public void check1OnClient(Client client) throws Fault {
        client.register(CallableProvider1.class);
        assertSizeAndLog(client.getConfiguration(), 1);
      }

      @Override
      public void check2OnTarget(WebTarget target) throws Fault {
        target.register(CallableProvider2.class);
        assertSizeAndLog(target.getConfiguration(), 2);
      }

      void assertSizeAndLog(Configuration config, int size) throws Fault {
        assertFalse(config.isRegistered(new CallableProvider()),
            "CallableProvider is unexpectedly registered");
        assertFalse(config.isRegistered(CallableProvider.class),
            "CallableProvider is unexpectedly registered");
        switch (size) {
        case 2:
          assertFalse(config.isRegistered(new CallableProvider2()),
              "CallableProvider2 is registered", getLocation());
          assertTrue(config.isRegistered(CallableProvider2.class),
              "CallableProvider2.class is NOT registered", getLocation());
          logMsg("Found registered CallableProvider2 as expected",
              getLocation());
        case 1:
          assertFalse(config.isRegistered(new CallableProvider1()),
              "CallableProvider1 is registered", getLocation());
          assertTrue(config.isRegistered(CallableProvider1.class),
              "CallableProvider1.class is NOT registered", getLocation());
          logMsg("Found registered CallableProvider1 as expected",
              getLocation());
        }
      }

    };
    checkConfigWithProperties(assertable);
  }

  // ///////////////////////////////////////////////////////////////////////

  /**
   * the same as createFetureInstances but with properties
   */
  private static String[] createPropertyInstances() {
    String[] properties = new String[] { "property0", "property1" };
    return properties;
  }

  /**
   * Provider has to not be anonymous class, because we need @Provider
   * annotation there
   */
  private static Object[] createProviderInstances() {
    Object[] instances = new CallableProvider[] { new CallableProvider() {
    }, new CallableProvider() {
    } };
    return instances;
  }

  /**
   * Check on every possible setting of configuration by a String property
   */
  private void checkConfigWithProperties(Assertable assertable) throws Fault {
    String[] properties = createPropertyInstances();
    checkConfig(assertable, properties);
  }

  /**
   * Check on every possible setting of configuration by a String property
   */
  private void checkConfigWithProperties(Registrar registrar,
      Assertable assertable) throws Fault {
    String[] properties = createPropertyInstances();
    checkConfig(registrar, assertable, properties);
  }

  /**
   * Check on every possible setting of configuration by a Feature or a
   * singleton
   * 
   */
  private void checkConfig(Assertable assertable, Object[] registerables)
      throws Fault {
    checkConfig(new Registrar(), assertable, registerables);
  }

  protected void checkConfig(Registrar registrar, Assertable assertable,
      Object[] registerables) throws Fault {
    Client client = ClientBuilder.newClient();
    Configuration config = client.getConfiguration();
    registeredPropertiesCnt = config.getProperties().size();
    registeredClassesCnt = config.getClasses().size();
    registeredInstancesCnt = config.getInstances().size();
    logMsg("Already registered", registeredClassesCnt, "classes");
    logMsg("Already registered", registeredInstancesCnt, "instances");
    logMsg("Already registered", registeredPropertiesCnt, "properties");

    register(registrar, client, registerables[0]);
    assertable.check1OnClient(client);
    assertable.incrementLocation();

    WebTarget target = client.target("http://tck.cts:888");
    register(registrar, target, registerables[1]);
    assertable.check2OnTarget(target);
    assertable.incrementLocation();
  }

  protected void register(Registrar registrar, Configurable<?> config,
      Object registerable) {
    registrar.register(config, registerable);
  }
}
