@GuardedBy("lock")
    private int runningTasks = 0;

    @GuardedBy("lock")
    private boolean shutdown = false;

    @Override
    public void execute(Runnable command) {
      startTask();
      try {
        command.run();
      } finally {
        endTask();
      }
    }

    @Override
    public boolean isShutdown() {
      synchronized (lock) {
        return shutdown;

import java.util.regex.Pattern;
import java.util.stream.Collectors;
import java.util.stream.Stream;

import static java.util.regex.Pattern.quote;

/**
 * NOTICE: this class is invoked via java command line, so we must NOT DEPEND ON ANY 3RD-PARTY LIBRARIES except JDK 11.
 *
 * Usage: java build-logic/cleanup/src/main/java/gradlebuild/cleanup/services/KillLeakingJavaProcesses.java
 */
public class KillLeakingJavaProcesses {

    /**
     * ログアダプタのファクトリを返します。
     * <p>
     * Commons Loggingが使える場合はCommons Loggingを利用するためのファクトリを返します。
     * 使えない場合はjava.util.loggingロガーを利用するためのファクトリを返します。
     * </p>
     *
     * @return ログアダプタのファクトリ
     */
    protected static LoggerAdapterFactory getLoggerAdapterFactory() {
        // TODO
        try {
            Class.forName("org.apache.commons.logging.LogFactory");

    SessionData getData();

    /**
     * Returns immutable user properties to use for interpolation. The user properties have been configured directly
     * by the user, e.g. via the {@code -Dkey=value} parameter on the command line.
     *
     * @return the user properties, never {@code null}
     */
    @Nonnull
    Map<String, String> getUserProperties();

    /**

    }

    @Test
    void testResolveLocalWithNewerVersionButLesserScope()
            throws ArtifactResolutionException, InvalidVersionSpecificationException {
        ArtifactSpec a = createArtifactSpec("commons-logging", "1.0");
        a.addDependency("junit", "3.7");
        ArtifactSpec b = createArtifactSpec("junit", "3.8.1", Artifact.SCOPE_TEST);

     * being passed into the session. This is also the potentially constrained set of projects by using --projects
     * on the command line.
     */
    private List<MavenProject> projects;

    /**
     * The full set of projects before any potential constraining by --projects. Useful in the case where you want to

 * x}, but the reverse does not necessarily hold.
 *
 * <table>
 * <caption>Encodings</caption>
 * <tr>
 * <th>Encoding
 * <th>Alphabet
 * <th>{@code char:byte} ratio
 * <th>Default padding
 * <th>Comments
 * <tr>
 * <td>{@link #base16()}
 * <td>0-9 A-F
 * <td>2.00
 * <td>N/A
 * <td>Traditional hexadecimal. Defaults to upper case.
 * <tr>
 * <td>{@link #base32()}
 * <td>A-Z 2-7
 * <td>1.60
 * <td>=

import java.util.function.Supplier;
import java.util.regex.Pattern;
import java.util.stream.Collectors;

import javax.annotation.PostConstruct;
import javax.annotation.PreDestroy;

import org.apache.commons.lang3.LocaleUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.logging.log4j.core.config.Configurator;

import java.util.Objects;
import java.util.Optional;
import java.util.StringJoiner;

import org.apache.maven.api.annotations.Experimental;
import org.apache.maven.api.annotations.Nonnull;

/**
 * The option of a Java command-line tool where to place the paths to some dependencies.
 * A {@code PathType} can identify the class-path, the module-path, the patches for a specific module,
 * or another kind of path.
 *

        return new Thread(r);
      }
    }

    public static final class DummyExecutor implements Executor, Serializable {
      @Override
      public void execute(Runnable command) {}
    }
  }

  private static final class NullByteSink extends ByteSink implements Serializable {
    private static final NullByteSink INSTANCE = new NullByteSink();

    @Override