import java.util.Set;

public class DefaultVersionControlRepository implements VersionControlRepository, Action<VcsMapping> {
    private final NotationParser<String, ModuleIdentifier> notationParser;
    private final VersionControlSpec spec;
    private final Set<ModuleIdentifier> modules = new HashSet<ModuleIdentifier>();

    @Inject

    }

    @Override
    public <T extends VersionControlSpec> DefaultVersionControlRepository create(Class<T> specType, URI uri) {
        return objectFactory.newInstance(DefaultVersionControlRepository.class, uri, notationParser, create(specType));
    }

    private final FileResolver fileResolver;
    private final VcsMappings vcsMappings;
    private final VersionControlSpecFactory specFactory;
    private final Map<URI, DefaultVersionControlRepository> repos = new HashMap<URI, DefaultVersionControlRepository>();

    @Inject
    public DefaultSourceControl(FileResolver fileResolver, VcsMappings vcsMappings, VersionControlSpecFactory specFactory) {
        this.fileResolver = fileResolver;

import org.gradle.vcs.VersionControlSpec;

import java.net.URI;

public interface VersionControlSpecFactory {
    <T extends VersionControlSpec> T create(Class<T> specType);

    <T extends VersionControlSpec> DefaultVersionControlRepository create(Class<T> specType, URI uri);

    def uri = new URI("https://gradle.org/test")
    def notationParser = Stub(NotationParser)
    def spec = Stub(GitVersionControlSpec)
    def repository = new DefaultVersionControlRepository(uri, notationParser, spec)
    def mapping = Mock(VcsMapping)

    def setup() {
        _ * notationParser.parseNotation(_) >> { String s -> def v = s.split(':'); return DefaultModuleIdentifier.newId(v[0], v[1])}

Class <org.gradle.vcs.internal.DefaultVersionControlRepository> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (DefaultVersionControlRepository.java:0)
Class <org.gradle.vcs.internal.VcsDirectoryLayout> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (VcsDirectoryLayout.java:0)