*
     * @param session The session to use to resolve the model, must not be {@code null}.
     * @param parent The parent coordinates to resolve, must not be {@code null}.
     * @param modified a holder for the updated parent, must not be {@code null}.
     * @return The source of the requested POM, never {@code null}.
     * @throws ModelResolverException If the POM could not be resolved from any configured repository.
     */
    @Nonnull

                    .classifier(artifact.getClassifier())
                    .extension(artifact.getExtension())
                    .version(getVersion())
                    .updated(lastUpdated)
                    .build();
            versions.put(getKey(sv.getClassifier(), sv.getExtension()), sv);
        }

        Versioning versioning = recessive.getVersioning();

                    .classifier(artifact.getClassifier())
                    .extension(artifact.getExtension())
                    .version(version)
                    .updated(lastUpdated)
                    .build();

            versions.put(getKey(sv.getClassifier(), sv.getExtension()), sv);
        }

        artifacts.clear();

    public static org.eclipse.aether.repository.RepositoryPolicy buildRepositoryPolicy(
            org.apache.maven.api.model.RepositoryPolicy policy) {
        boolean enabled = true;
        String updatePolicy = RepositoryPolicy.UPDATE_POLICY_DAILY;
        String checksumPolicy = RepositoryPolicy.CHECKSUM_POLICY_FAIL;
        if (policy != null) {
            enabled = policy.isEnabled();
            if (policy.getUpdatePolicy() != null) {