*/
    @Nonnull
    List<Version> getVersions();

    /**
     * Gets the lowest version matching the requested range.
     *
     * @return An Optional containing the lowest matching version, or empty Optional if no versions
     *         matched the requested range
     */
    @Nonnull
    default Optional<Version> getLowestVersion() {
        return getVersions().isEmpty()
                ? Optional.empty()

                setVersioning( v );
                changed = true;
            }

            for ( String version : versioning.getVersions() )
            {
                if ( !v.getVersions().contains( version ) )
                {
                    changed = true;
                    v.getVersions().add( version );
                }
            }

            if ( "null".equals( versioning.getLastUpdated() ) )

                        if (relocation.getVersion() != null) {
                            // note: see MNG-3454. This causes a problem, but fixing it may break more.
                            artifact.setVersionRange(VersionRange.createFromVersion(relocation.getVersion()));
                            relocatedArtifact = artifact;
                            project.setVersion(relocation.getVersion());
                        }

        assertEquals("fess-crawler-smbj", list.get(0).getName());
        assertEquals("14.14.0", list.get(0).getVersion());
        assertEquals("plugin/repo3/fess-crawler-smbj/14.14.0/fess-crawler-smbj-14.14.0.jar", list.get(0).getUrl());
        assertEquals("fess-crawler-smbj", list.get(1).getName());
        assertEquals("14.15.0", list.get(1).getVersion());

        return create(DependencyCoordinatesFactoryRequest.build(
                session,
                dependency.getGroupId(),
                dependency.getArtifactId(),
                dependency.getVersion(),
                dependency.getClassifier(),
                null,
                dependency.getType()));
    }

    @Nonnull
    default DependencyCoordinates create(@Nonnull Session session, Plugin plugin) {

        assertEquals(createSet(artifacts), res.getArtifacts(), "Check artifact list");
        assertEquals("1.0", getArtifact("d", res.getArtifacts()).getVersion(), "Check version");
        assertEquals("2.0", getArtifact("b", res.getArtifacts()).getVersion(), "Check version");
    }

    @Test
    void testResolveNearestNewestIsNearest() throws ArtifactResolutionException, InvalidVersionSpecificationException {

            Artifact artifact = (Artifact) iter.next();
            System.out.println("Artifact: " + artifact.getDependencyConflictId() + " " + artifact.getVersion()
                    + " Optional=" + (artifact.isOptional() ? "true" : "false"));
            assertTrue(
                    artifact.getVersion().equals("1.0"), "Incorrect version for " + artifact.getDependencyConflictId());
        }
    }

        if (empty(groupId)) {
            throw new InvalidArtifactRTException(
                    groupId, artifactId, getVersion(), type, "The groupId cannot be empty.");
        }

        if (empty(artifactId)) {
            throw new InvalidArtifactRTException(
                    groupId, artifactId, getVersion(), type, "The artifactId cannot be empty.");
        }

        if (empty(type)) {

        Artifact artifact = new DefaultArtifact(
                dependency.getGroupId(),
                dependency.getArtifactId(),
                dependency.getVersion(),
                dependency.getScope(),
                dependency.getType(),
                dependency.getClassifier(),
                new TestArtifactHandler(dependency.getType()));

    public void manageArtifactVersion(Artifact artifact, Artifact replacement) {
        // only show msg if a change is actually taking place
        if (!replacement.getVersion().equals(artifact.getVersion())) {
            String msg = indent + artifact + " (applying version: " + replacement.getVersion() + ")";
            logger.debug(msg);
        }
    }

    @Override