StandardCrawlerContainer container = new StandardCrawlerContainer();
        
        // Configure basic components
        container.singleton("crawler", Crawler.class)
                .singleton("httpClient", HcHttpClient.class)
                .singleton("fileTransformer", FileTransformer.class);
        
        // Get crawler instance
        Crawler crawler = container.getComponent("crawler");
        

import jcifs.config.PropertyConfiguration;

/**
 * Global singleton context
 *
 * @author mbechler
 *
 */
public class SingletonContext extends BaseContext implements CIFSContext {

    private static final Logger log = LoggerFactory.getLogger(SingletonContext.class);
    private static SingletonContext INSTANCE;

    /**
     * Initialize singleton context using custom properties
     *

        logger.info("Special URL: {}", specialUrl);

        StandardCrawlerContainer container = new StandardCrawlerContainer()//
                .singleton("smbClient", SmbClient.class)//
                .singleton("mimeTypeHelper", MimeTypeHelperImpl.class);
        smbClient = container.getComponent("smbClient");
        smbClient.setResolveSids(false);
        Map<String, Object> params = new HashMap<>();

        logger.info("Base URL: {}", baseUrl);

        StandardCrawlerContainer container = new StandardCrawlerContainer()//
                .singleton("smbClient", SmbClient.class)//
                .singleton("mimeTypeHelper", MimeTypeHelperImpl.class);
        smbClient = container.getComponent("smbClient");
        Map<String, Object> params = new HashMap<>();

                .singleton("urlConvertHelper", UrlConvertHelper.class)
                .singleton("intervalController", DefaultIntervalController.class)
                .singleton("sitemapsHelper", SitemapsHelper.class)
                .singleton("logHelper", LogHelperImpl.class)
                .singleton("encodingHelper", EncodingHelper.class)
                .singleton("contentLengthHelper", ContentLengthHelper.class)

        container.singleton("archiveStreamFactory", ArchiveStreamFactory.class)
                .singleton("compressorStreamFactory", CompressorStreamFactory.class)
                .singleton("mimeTypeHelper", MimeTypeHelperImpl.class)
                .singleton("tikaExtractor", TikaExtractor.class)
                .singleton("textExtractor", TextExtractor.class)
                .singleton("zipExtractor", ZipExtractor.class)

                .singleton("dataHelper", MemoryDataHelper.class)//
                .singleton("urlFilterService", UrlFilterServiceImpl.class)//
                .singleton("urlFilter", UrlFilterImpl.class)//
                .singleton("robotsTxtHelper", RobotsTxtHelper.class)//
                .singleton("httpClient", HcHttpClient.class);

import java.util.List;
import java.util.Properties;

import org.apache.maven.model.Build;
import org.apache.maven.project.MavenProject;
import org.junit.jupiter.api.Test;

import static java.util.Collections.singleton;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;

class DefaultBuildResumptionDataRepositoryTest {

    if (supportsRemove) {
      int initialSize = map.size();
      assertTrue(keys.removeAll(singleton(key)));
      assertEquals(initialSize - 1, map.size());
      assertFalse(map.containsKey(key));
    } else {
      assertThrows(UnsupportedOperationException.class, () -> keys.removeAll(singleton(key)));
    }
    assertInvariants(map);
  }

  public void testKeySetRetainAll() {

package org.apache.maven.cling.invoker.mvnup.goals;

import org.apache.maven.api.di.Named;
import org.apache.maven.api.di.Singleton;
import org.apache.maven.cling.invoker.mvnup.Goal;
import org.apache.maven.cling.invoker.mvnup.UpgradeContext;

/**
 * The "help" goal implementation.
 */
@Named("help")
@Singleton
public class Help implements Goal {

    @Override
    public int execute(UpgradeContext context) throws Exception {