*
   * @param index a user-supplied index identifying an element of an array, list or string
   * @param size the size of that array, list or string
   * @param desc the text to use to describe this index in an error message
   * @return the value of {@code index}
   * @throws IndexOutOfBoundsException if {@code index} is negative or is not less than {@code size}

    /** Lock used whenever accessing the state variables (runningTasks, shutdown) of the executor */
    private final Object lock = new Object();

    /*
     * Conceptually, these two variables describe the executor being in
     * one of three states:
     *   - Active: shutdown == false
     *   - Shutdown: runningTasks > 0 and shutdown == true
     *   - Terminated: runningTasks == 0 and shutdown == true
     */

 * under the License.
 */
package org.apache.maven.api.services.model;

import java.nio.file.Path;
import java.util.List;
import java.util.Map;

/**
 * Describes the environmental context used to determine the activation status of profiles.
 *
 */
public interface ProfileActivationContext {
    /**
     * Key of the property containing the project's packaging.

   *
   * @param minimumBits a positive integer. This can be arbitrarily large. The returned {@link
   *     HashFunction} instance may use memory proportional to this integer.
   * @return a hash function, described above, that produces hash codes of length {@code
   *     minimumBits} or greater
   */
  public static HashFunction goodFastHash(int minimumBits) {
    int bits = checkPositiveAndMakeMultipleOf32(minimumBits);

   *
   * (The index actually stored is the index of the key in alternatingKeysAndValues, which is
   * double the index of the entry in entrySet.asList.)
   *
   * The basic data structure is described in https://en.wikipedia.org/wiki/Open_addressing.
   * The pointer to a key is stored in hashTable[Hashing.smear(key.hashCode()) % table.length],

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.api.services;

/**
 * Describes a problem that was encountered during model building. A problem can either be an exception that was thrown
 * or a simple string message. In addition, a problem carries a hint about its source, e.g. the POM file that exhibits

import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.stream.Collectors;

import org.apache.maven.api.services.model.*;

/**
 * Describes the environmental context used to determine the activation status of profiles.
 *
 */
public class DefaultProfileActivationContext implements ProfileActivationContext {

public abstract class Equivalence<T>
{
  /** Constructor for use by subclasses. */
  protected Equivalence() {}

  /**
   * Returns {@code true} if the given objects are considered equivalent.
   *
   * <p>This method describes an <i>equivalence relation</i> on object references, meaning that for
   * all references {@code x}, {@code y}, and {@code z} (any of which may be null):
   *
   * <ul>

 * under the License.
 */
package org.apache.maven.internal.impl.model;

import org.apache.maven.api.model.Model;
import org.apache.maven.api.services.ModelProblem;

/**
 * Describes a problem that was encountered during model building. A problem can either be an exception that was thrown
 * or a simple string message. In addition, a problem carries a hint about its source, e.g. the POM file that exhibits

   *
   * @param valuesInOrder the values that the returned comparator will be able to compare, in the
   *     order the comparator should induce
   * @return the comparator described above
   * @throws NullPointerException if any of the provided values is null
   * @throws IllegalArgumentException if {@code valuesInOrder} contains any duplicate values
   *     (according to {@link Object#equals})
   */