*
     * @param project {@link Project} or {@code null}.
     * @return the effective properties, never {@code null}
     */
    @Nonnull
    Map<String, String> getEffectiveProperties(@Nullable Project project);

    /**
     * Returns the current maven version
     * @return the maven version, never {@code null}
     */
    @Nonnull
    Version getMavenVersion();

    int getDegreeOfConcurrency();

     *            null}.
     * @param session The repository session to use for resolving the plugin's main artifact, must not be {@code null}.
     * @return The resolved plugin artifact, never {@code null}.
     * @throws PluginResolutionException If the plugin artifact could not be resolved.
     */
    Artifact resolve(Plugin plugin, List<RemoteRepository> repositories, RepositorySystemSession session)

 * limitations under the License.
 */

package com.google.common.collect.testing;

import com.google.common.annotations.GwtCompatible;

/**
 * A type which will never be used as the element type of any collection in our tests, and so can be
 * used to test how a Collection behaves when given input of the wrong type.
 */
@GwtCompatible
public enum WrongType {
  VALUE

     *
     * @return The group id, never {@code null}.
     */
    String getGroupId();

    /**
     * Gets the artifact id of the constituent's artifact.
     *
     * @return The artifact id, never {@code null}.
     */
    String getArtifactId();

    /**
     * Gets the type of the constituent's artifact.
     *
     * @return The type, never {@code null}.
     */
    String getType();

    assertEvalsToFalse(Predicates.and(FALSE, NEVER_REACHED));
  }

  public void testAnd_equalityBinary() {
    new EqualsTester()
        .addEqualityGroup(Predicates.and(TRUE, NEVER_REACHED), Predicates.and(TRUE, NEVER_REACHED))
        .addEqualityGroup(Predicates.and(NEVER_REACHED, TRUE))
        .addEqualityGroup(Predicates.and(TRUE))
        .addEqualityGroup(Predicates.or(TRUE, NEVER_REACHED))
        .testEquals();
  }

 * Contrast the method above to:
 *
 * <ul>
 *   <li>methods whose return type is a type variable but which can never return {@code null},
 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)

 * Contrast the method above to:
 *
 * <ul>
 *   <li>methods whose return type is a type variable but which can never return {@code null},
 *       typically because the type forbids nullable type arguments: For example, {@code
 *       ImmutableList.get} returns {@code E}, but that value is never {@code null}. (Accordingly,
 *       {@code ImmutableList} is declared to forbid {@code ImmutableList<@Nullable String>}.)

 * the License.
 */
package com.google.common.collect;

import java.util.Collection;
import org.checkerframework.checker.nullness.qual.Nullable;

/** Never actually created; instead delegates to JdkBackedImmutableMultiset. */
@ElementTypesAreNonnullByDefault
class RegularImmutableMultiset<E> extends ImmutableMultiset<E> {
  static final ImmutableMultiset<Object> EMPTY =

     * @return This request, never {@code null}.
     */
    MetadataResolutionRequest setLocalRepository(ArtifactRepository localRepository);

    /**
     * Gets the remote repositories to use for the resolution.
     *
     * @return The remote repositories to use for the resolution, never {@code null}.
     */
    List<ArtifactRepository> getRemoteRepositories();

    /**

    // ----------------------------------------------------------------------

    String REACTOR_FAIL_FAST = "FAIL_FAST";

    String REACTOR_FAIL_AT_END = "FAIL_AT_END";

    String REACTOR_FAIL_NEVER = "FAIL_NEVER";

    // ----------------------------------------------------------------------
    // Reactor Make Mode
    // ----------------------------------------------------------------------