}
      }
    }
  }

  /**
   * Checks if the executor has been shut down and increments the running task count.
   *
   * @throws RejectedExecutionException if the executor has been previously shutdown
   */
  private void startTask() {
    synchronized (lock) {
      if (shutdown) {

 * @see <a href="https://issues.apache.org/jira/browse/MNG-4224">MNG-4224</a>
 * @since 3.0-alpha-3
 */
public abstract class AbstractMavenLifecycleParticipant {

    /**
     * Invoked after all MavenProject instances have been created.
     *
     * This callback is intended to allow extensions to manipulate MavenProjects
     * before they are sorted and actual build execution starts.
     *
     * @param session the Maven session

 * Collects basic settings to access the repository system.
 *
 */
public interface RepositoryRequest {

    /**
     * Indicates whether network access to remote repositories has been disabled.
     *
     * @return {@code true} if remote access has been disabled, {@code false} otherwise.
     */
    boolean isOffline();

    /**
     * Enables/disables network access to remote repositories.
     *

import org.apache.maven.project.MavenProject;

/**
 * @deprecated As of 3.2.2, and there is no direct replacement. This is an internal class which was not marked as such,
 *             but should have been.
 *
 */
@Deprecated
public interface ProjectDependenciesResolver {

    /**
     * Resolves the transitive dependencies of the specified project.
     *

         */
        LIFECYCLE,
    }

    private Source source = Source.LIFECYCLE;

    /**
     * The phase may or may not have been bound to a phase but once the plan has been calculated we know what phase
     * this mojo execution is going to run in.
     */
    private String lifecyclePhase;

    /**

   *
   * For streaming requests with a body, headers must be prepared **before** the output stream has
   * been written to. Otherwise the body would need to be buffered!
   *
   * For non-streaming requests with a body, headers must be prepared **after** the output stream
   * has been written to and closed. This ensures that the `Content-Length` header field receives
   * the proper value.
   */

            return StringUtil.EMPTY;
        }
        return input;
    }

    /**
     * Checks if this item has been updated.
     * @return true if updated, false otherwise
     */
    public boolean isUpdated() {
        return newInput != null;
    }

    /**
     * Checks if this item has been deleted.
     * @return true if deleted, false otherwise
     */
    public boolean isDeleted() {

    }

    @Override
    public synchronized int read(final byte[] b) throws IOException {
        return read(b, 0, b.length);
    }

    /* This method will not return until len bytes have been read
     * or the stream has been closed.
     */

    @Override
    public synchronized int read(final byte[] b, int off, int len) throws IOException {
        if (len == 0) {
            return 0;
        }
        int tot = 0;

        }
        buf.readOctetArray(contextHandle, 0, 20);
    }

    /**
     * Checks if the context handle has been invalidated (all zeros).
     * A successful unregistration typically results in a zeroed context handle.
     *
     * @return true if the context handle has been invalidated
     */
    public boolean isContextHandleInvalidated() {
        if (contextHandle == null) {
            return true;

 *
 */
@Deprecated
public interface MetadataResolutionRequest extends RepositoryRequest {

    /**
     * Indicates whether network access to remote repositories has been disabled.
     *
     * @return {@code true} if remote access has been disabled, {@code false} otherwise.
     */
    @Override
    boolean isOffline();

    /**
     * Enables/disables network access to remote repositories.
     *