.getArtifact()
                .getProperty(ArtifactProperties.TYPE, dependency.getArtifact().getExtension());
        return session.requireType(type);
    }

    @Override
    public boolean isSnapshot() {
        return DefaultModelVersionParser.checkSnapshot(dependency.getArtifact().getVersion());
    }

    @Nonnull
    @Override
    public DependencyScope getScope() {

 */
public final class ArtifactUtils {

    public static boolean isSnapshot(String version) {
        if (version != null) {
            if (version.regionMatches(
                    true,
                    version.length() - Artifact.SNAPSHOT_VERSION.length(),
                    Artifact.SNAPSHOT_VERSION,
                    0,
                    Artifact.SNAPSHOT_VERSION.length())) {
                return true;
            } else {

        return new DefaultVersionRange(versionScheme, range);
    }

    @Override
    public boolean isSnapshot(String version) {
        return checkSnapshot(version);
    }

    public static boolean checkSnapshot(String version) {
        return version.endsWith(SNAPSHOT) || SNAPSHOT_TIMESTAMP.matcher(version).matches();
    }

    @Override

    /**
     * Checks whether a given artifact version is considered a {@code SNAPSHOT} or not.
     * <p>
     * Shortcut for {@code getService(ArtifactManager.class).isSnapshot(...)}.
     * <p>
     * In case there is {@link Artifact} in scope, the recommended way to perform this check is
     * use of {@link Artifact#isSnapshot()} instead.
     *
     * @param version artifact version

        request.addArtifact(mainArtifact);

        String versionKey = artifact.getGroupId() + ':' + artifact.getArtifactId();
        String snapshotKey = null;
        if (artifact.isSnapshot()) {
            snapshotKey = versionKey + ':' + artifact.getBaseVersion();
            request.addMetadata(relatedMetadata.get(snapshotKey));
        }
        request.addMetadata(relatedMetadata.get(versionKey));

RepositoryMetadataSt(String); public void RepositoryMetadataSt(String, Exception); } org/apache/maven/artifact/repository/metadata/Snapshot.class package org.apache.maven.artifact.repository.metadata; public synchronized class Snapshot implements java.io.Serializable { private String timestamp; private int buildNumber; private boolean localCopy; private String modelEncoding; public void Snapshot(); public int getBuildNumber(); public String getTimestamp(); public boolean isLocalCopy(); public void setBuildNumber(int);...

                    // if the POM didn't exist, retry if any repo is configured to always update
                    boolean snapshot = pomArtifact.isSnapshot();
                    for (ArtifactRepository repository : remoteRepositories) {
                        ArtifactRepositoryPolicy policy =
                                snapshot ? repository.getSnapshots() : repository.getReleases();

        ArtifactRepositoryPolicy policy = artifact.isSnapshot() ? repository.getSnapshots() : repository.getReleases();

        if (!policy.isEnabled()) {
            logger.debug(
                    "Skipping disabled repository " + repository.getId() + " for resolution of " + artifact.getId());

        } else if (artifact.isSnapshot() || !artifact.getFile().exists()) {

        // Here, we need to determine which policy to use. Release updateInterval will be used when
        // the metadata refers to a release artifact or meta-version, and snapshot updateInterval will be used when
        // it refers to a snapshot artifact or meta-version.
        // NOTE: Release metadata includes version information about artifacts that have been released, to allow

    }

    @Override
    public void setArtifactId(String artifactId) {
        this.artifactId = artifactId;
    }

    @Override
    public boolean isSnapshot() {
        return getBaseVersion() != null
                && (getBaseVersion().endsWith(SNAPSHOT_VERSION)
                        || getBaseVersion().equals(LATEST_VERSION));
    }

    @Override
    public void setResolved(boolean resolved) {