* Sets the level of validation to perform on processed models. For building of projects,
     * {@link #VALIDATION_LEVEL_STRICT} should be used to ensure proper building. For the mere retrieval of dependencies
     * during artifact resolution, {@link #VALIDATION_LEVEL_MINIMAL} should be used to account for models of poor
     * quality. By default, models are validated in strict mode.
     *

import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Properties;

import org.apache.maven.api.MonotonicClock;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.eventspy.internal.EventSpyDispatcher;
import org.apache.maven.model.Profile;
import org.apache.maven.model.root.RootLocator;

 *
 * <p><b>For users targeting Android API level 24 or higher:</b> This class will eventually
 * implement {@code BiPredicate<T, T>} (as it does in the main Guava artifact), but we currently
 * target a lower API level. In the meantime, if you have support for method references you can use
 * an equivalence as a bi-predicate like this: {@code myEquivalence::equivalent}.
 *
 * @author Bob Lee

            slf4jLogger.info("Disabling strict checksum verification on all artifact downloads.");
        } else if (MavenExecutionRequest.CHECKSUM_POLICY_FAIL.equals(cliRequest.request.getGlobalChecksumPolicy())) {
            slf4jLogger.info("Enabling strict checksum verification on all artifact downloads.");
        }

        if (slf4jLogger.isDebugEnabled()) {

                                + "\". You must specify a valid lifecycle phase"
                                + " or a goal in the format <plugin-prefix>:<goal> or"
                                + " <plugin-group-id>:<plugin-artifact-id>[:<plugin-version>]:<goal>. Available lifecycle phases are: "
                                + lifecycles.stream()
                                        .flatMap(l -> l.allPhases().map(Lifecycle.Phase::name))

                        Version.V20,
                        prefix + "layout",
                        repository.getId(),
                        "uses the unsupported value 'legacy', artifact resolution might fail.",
                        repository);
            }
        }
    }

    private void validate20RawResources(

   * We should annotate the superclass, InternalFutureFailureAccess, to say that its copy of this
   * method returns @Nullable, too. However, we're not sure if we want to make any changes to that
   * class, since it's in a separate artifact that we planned to release only a single version of.
   */
  protected final @Nullable Throwable tryInternalFastPathGetFailure() {
    if (this instanceof Trusted) {
      @RetainedLocalRef Object localValue = value();