}
                }

                Collections.sort(versions);
                result.setVersions(versions);
            }
        }

        return result;
    }

    private Map<String, ArtifactRepository> getVersions(
            RepositorySystemSession session, VersionRangeResult result, VersionRangeRequest request) {

                    }
                }

                Collections.sort(versions);
                result.setVersions(versions);
            }
        }

        return result;
    }

    private Map<String, ArtifactRepository> getVersions(
            RepositorySystemSession session, VersionRangeResult result, VersionRangeRequest request) {

                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() ) )

         *
         * @return The snapshot timestamped version
         */
        public String getVersion() {
            return snapshotMetadata.getVersioning().getSnapshotVersions().get(0).getVersion();
        }
    }

    /**
     * Publishes artifacts for a single Maven module.
     */
    private static class ModuleArtifactPublisher {

                        result.getVersion(),
                        request.getPom());
            }
        } else {
            logger.debug(
                    "Reusing cached resolved plugin version for {}:{} to {} from POM {}",
                    request.getGroupId(),
                    request.getArtifactId(),
                    result.getVersion(),
                    request.getPom());
        }

                // Keep the project selected
                newSelectedIsProject = true;
            }
        }
        Version newVersion = versionParser.transform(newSelected.getVersion());
        Version currentVersion = versionParser.transform(selected.getVersion());
        return !newSelectedIsProject && versionComparator.compare(newVersion, currentVersion) <= 0;
    }

    void maybeCreateVirtualMetadata(ResolveState resolveState) {

        }

        private List<CandidateResult> candidates() {
            List<CandidateResult> candidates = new ArrayList<>();
            for (String version : versionListingResult.result.getVersions()) {
                CandidateResult candidateResult = candidateComponents.get(version);
                if (candidateResult == null) {

                        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());
                        }

            switch (result.getState()) {
                case Listed:
                    ModuleIdentifier moduleId = dependency.getSelector().getModuleIdentifier();
                    Set<String> versionList = result.getVersions();
                    Set<ModuleVersionIdentifier> versions = versionList
                        .stream()
                        .map(original -> DefaultModuleVersionIdentifier.newId(moduleId, original))

        return getService(VersionResolver.class).resolve(this, artifact).getVersion();
    }

    @Override
    public List<Version> resolveVersionRange(ArtifactCoordinate artifact) {
        return getService(VersionRangeResolver.class).resolve(this, artifact).getVersions();
    }

    @Override
    public Type requireType(String id) {