if (ArtifactRepositoryPolicy.UPDATE_POLICY_DAILY.equals(policy)) {
            return 1440;
        } else if (ArtifactRepositoryPolicy.UPDATE_POLICY_ALWAYS.equals(policy)) {
            return 0;
        } else if (policy != null && policy.startsWith(ArtifactRepositoryPolicy.UPDATE_POLICY_INTERVAL)) {
            String s = policy.substring(UPDATE_POLICY_INTERVAL.length() + 1);
            return Integer.parseInt(s);

                RepositorySystem.DEFAULT_LOCAL_REPO_ID,
                true,
                ArtifactRepositoryPolicy.UPDATE_POLICY_ALWAYS,
                true,
                ArtifactRepositoryPolicy.UPDATE_POLICY_ALWAYS,
                ArtifactRepositoryPolicy.CHECKSUM_POLICY_IGNORE);
    }

            this.algorithm = algorithm;
        }

        @Override
        public void update(ByteBuffer input) {
            algorithm.update(input);
        }

        @Override
        public String checksum() {
            return algorithm.checksum();
        }
    }

            this.algorithm = algorithm;
        }

        @Override
        public void update(ByteBuffer input) {
            algorithm.update(input);
        }

        @Override
        public String checksum() {
            return algorithm.checksum();
        }
    }

 Plugins should avoid these classes and be updated to use only Maven3 dependencies (and require Maven3): see
 {{{https://cwiki.apache.org/confluence/display/MAVEN/Plugin+migration+to+Maven3+dependencies} Plugin migration to Maven3 dependencies}}

        /* current POM rules all, if nearest is in current pom, do not update its artifactScope */
        if ((nearest.getDepth() < 2) && updateScope) {
            updateScope = false;

            fireEvent(ResolutionListener.UPDATE_SCOPE_CURRENT_POM, listeners, nearest, farthestArtifact);
        }

        if (updateScope) {
            fireEvent(ResolutionListener.UPDATE_SCOPE, listeners, nearest, farthestArtifact);

    int INCLUDE_ARTIFACT = 4;

    int OMIT_FOR_NEARER = 5;

    int UPDATE_SCOPE = 6;

    @Deprecated
    int MANAGE_ARTIFACT = 7;

    int OMIT_FOR_CYCLE = 8;

    /**
     * this event means that the artifactScope has NOT been updated to a farther node artifactScope because current
     * node is in the first level pom
     */
    int UPDATE_SCOPE_CURRENT_POM = 9;

    int SELECT_VERSION_FROM_RANGE = 10;

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

/**
 * Holds data relevant for a model building event.
 */
record DefaultModelBuildingEvent(
        Model model, Consumer<Model> update, ModelBuilderRequest request, ModelProblemCollector problems)

                    boolean snapshot = pomArtifact.isSnapshot();
                    for (ArtifactRepository repository : remoteRepositories) {
                        ArtifactRepositoryPolicy policy =
                                snapshot ? repository.getSnapshots() : repository.getReleases();
                        if (ArtifactRepositoryPolicy.UPDATE_POLICY_ALWAYS.equals(policy.getUpdatePolicy())) {

     * @return {@code true} if the key mapping was successfully updated from the old value to the new value,
     *         {@code false} if the current key mapping didn't match the expected value and was not updated.
     */
    <T> boolean replace(@Nonnull Key<T> key, @Nullable T oldValue, @Nullable T newValue);

    /**