locator.addService(VersionResolver.class, DefaultVersionResolver.class);
locator.addService(ArtifactDescriptorReader.class, DefaultArtifactDescriptorReader.class);
locator.addService(VersionRangeResolver.class, DefaultVersionRangeResolver.class);
locator.addService(MetadataResolver.class, DefaultMetadataResolver.class);
locator.addService(ArtifactDescriptorReader.class, DefaultArtifactDescriptorReader.class);
locator.addService(DependencyCollector.class, DefaultDependencyCollector.class);
locator.addService(Installer.class, DefaultInstaller.class);
locator.addService(Deployer.class, DefaultDeployer.class);
locator.addService(SyncContextFactory.class, DefaultSyncContextFactory.class);