/*
     * @see junit.framework.TestCase#setUp()
     */
    @BeforeEach
    public void setUp() throws Exception {
        conflictResolver = (ConflictResolver) container.lookup(ConflictResolver.ROLE, roleHint);

        a1 = createArtifact("a", "1.0");
        a2 = createArtifact("a", "2.0");
        b1 = createArtifact("b", "1.0");
    }

 * formed by a combination of group id, artifact id, version and tag. The first three components generally refer to the
 * identity of a model. The tag allows for further classification of the associated data on the sole discretion of the
 * model builder.
 *
 */
public interface ModelCache {

    <T> T computeIfAbsent(String groupId, String artifactId, String version, String tag, Supplier<T> data);