* @deprecated use {@link org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface ModelProblemCollector {

    /**
     * Adds the specified problem.
     *
     * @param req must not be null
     */
    void add(ModelProblemCollectorRequest req);

 */
package org.apache.maven.building;

import java.util.List;

/**
 * Collects problems that are encountered during settings building.
 *
 */
public interface ProblemCollector {

    /**
     * Adds the specified problem.
     * Either message or exception is required
     *
     * @param severity The severity of the problem, must not be {@code null}.

 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services.SettingsBuilder} instead
 */
@Deprecated(since = "4.0.0")
public interface SettingsProblemCollector {

    /**
     * Adds the specified problem.
     *
     * @param severity The severity of the problem, must not be {@code null}.
     * @param message The detail message of the problem, may be {@code null}.

    this.buffer = (T[]) new Object[IntMath.checkedMultiply(k, 2)];
    this.bufferSize = 0;
    this.threshold = null;
  }

  /**
   * Adds {@code elem} as a candidate for the top {@code k} elements. This operation takes amortized
   * O(1) time.
   */
  public void offer(@ParametricNullness T elem) {
    if (k == 0) {
      return;

    /**
     * Adds a repository to use for subsequent resolution requests. The order in which repositories are added matters,
     * repositories that were added first should also be searched first. When multiple repositories with the same
     * identifier are added, only the first repository being added will be used.
     *
     * @param repository The repository to add to the internal search chain, must not be {@code null}.

								<group>root</group>
							</mapper>
						</data>
						<!-- Adds systemd file -->
						<data>
							<type>file</type>
							<src>${project.build.directory}/generated-packaging/deb/systemd/fess.service</src>
							<dst>${packaging.fess.systemd.dir}/fess.service</dst>
						</data>
						<!-- Adds systemd/sysctl.d configuration file -->
						<data>
							<type>file</type>

     * @param id The identifier of the profile.
     */
    public void deactivateOptionalProfile(String id) {
        this.activations.put(id, ActivationSettings.DEACTIVATION_OPTIONAL);
    }

    /**
     * Adds a profile activation to the request.
     * @param id The identifier of the profile.
     * @param active Should the profile be activated?
     * @param optional Can the build continue if the profile does not exist?
     */

    @Override
    public Builder<E> add(E... elements) {
      checkElementsNotNull(elements);
      for (E e : elements) {
        add(e);
      }
      return this;
    }

    /**
     * Adds each element of {@code elements} to the {@code ImmutableSortedSet}, ignoring duplicate
     * elements (only the first duplicate element is added).
     *
     * @param elements the elements to add to the {@code ImmutableSortedSet}

        this.activations.add(new ProjectActivationSettings(selector, ActivationSettings.ACTIVATION_REQUIRED));
    }

    /**
     * Mark a project as optional and activated.
     * @param selector The selector of the project.
     */
    public void activateOptionalProject(String selector) {

    return size;
  }

  /**
   * Adds the given element to this queue. If this queue has a maximum size, after adding {@code
   * element} the queue will automatically evict its greatest element (according to its comparator),
   * which may be {@code element} itself.
   *
   * @return {@code true} always
   */
  @CanIgnoreReturnValue
  @Override
  public boolean add(E element) {
    offer(element);
    return true;