private static class QueuingExecutor implements Executor {
    private final Deque<Runnable> tasks = new ArrayDeque<>();

    @Override
    public void execute(Runnable task) {
      tasks.add(task);
    }

    private void runNext() {
      tasks.removeFirst().run();
    }
  }

  public void testAsyncReload() throws Exception {
    AtomicInteger loadCount = new AtomicInteger();

import org.apache.maven.execution.MavenSession;
import org.apache.maven.execution.ProjectDependencyGraph;
import org.apache.maven.project.MavenProject;

/**
 * A build context that matches a Maven project to a given task segment, and the session to be used.
 * <p>
 * A note to the reader;
 * </p>
 * <p>
 * There are several issues/discussions regarding how "aggregator" plugins should be handled.

import java.security.NoSuchAlgorithmException;
import java.util.Set;

/**
 * A task to update shas used by {@code DependencyLicensesCheck}
 */
public class UpdateShasTask extends DefaultTask {

    private final Logger logger = Logging.getLogger(getClass());

    /** The parent dependency licenses task to use configuration from */
    private TaskProvider<DependencyLicensesTask> parentTask;

   *
   * @throws RejectedExecutionException if the task cannot be scheduled for execution
   * @since 28.2
   */
  public static <O extends @Nullable Object> ListenableFuture<O> submit(
      Callable<O> callable, Executor executor) {
    TrustedListenableFutureTask<O> task = TrustedListenableFutureTask.create(callable);
    executor.execute(task);
    return task;
  }

  /**

It's called "asynchronous" because the computer / program doesn't have to be "synchronized" with the slow task, waiting for the exact moment that the task finishes, while doing nothing, to be able to take the task result and continue the work.

     *
     * @param registrationId the registration ID
     */
    private void stopAsyncNotificationMonitoring(String registrationId) {
        CompletableFuture<Void> task = asyncNotifyTasks.remove(registrationId);
        if (task != null) {
            task.cancel(true);
            log.debug("Stopped async notification monitoring for {}", registrationId);
        }
    }

    /**

 */

package org.elasticsearch.gradle.internal.precommit;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;

/**
 * Incremental task to validate a set of YAML files against against a schema.
 */
public class ValidateYamlAgainstSchemaTask extends ValidateJsonAgainstSchemaTask {
    @Override
    protected String getFileType() {
        return "YAML";

import java.io.IOException;
import java.io.OutputStream;
import java.nio.file.Files;
import java.util.HashSet;
import java.util.Set;

/**
 * A custom archive task that assembles a tar archive that preserves symbolic links.
 *
 * This task is necessary because the built-in task {@link org.gradle.api.tasks.bundling.Tar} does not preserve symbolic links.
 */
public class SymbolicLinkPreservingTar extends Tar {

    @Override

import org.gradle.api.tasks.InputDirectory
import org.gradle.api.tasks.PathSensitive
import org.gradle.api.tasks.PathSensitivity
import java.io.File


/**
 * Abstract base class for [Task][org.gradle.api.Task]s that verify and manipulate the given accepted API changes file.
 */
@CacheableTask
abstract class AbstractAcceptedApiChangesMaintenanceTask : DefaultTask() {

    /**

@ThreadSafe
public interface Mojo {
    /**
     * Executes the behavior defined by this {@code Mojo}. This method is invoked
     * during the Maven build lifecycle to perform the Mojo's designated task.
     *
     * <p>Implementations should handle any task-specific logic and may communicate
     * errors by throwing an {@link Exception}. Error conditions should provide
     * sufficient detail to aid troubleshooting.</p>
     *