Artifact pomArtifact = artifact;

        if (!pomArtifact.getClassifier().isEmpty() || !"pom".equals(pomArtifact.getExtension())) {
            pomArtifact =
                    new DefaultArtifact(artifact.getGroupId(), artifact.getArtifactId(), "pom", artifact.getVersion());
        }

        return pomArtifact;
    }

    /**

        PathMatcher groupId = FileSystems.getDefault().getPathMatcher("glob:" + exclusion.getGroupId());
        PathMatcher artifactId = FileSystems.getDefault().getPathMatcher("glob:" + exclusion.getArtifactId());
        Predicate<Artifact> predGroupId = a -> groupId.matches(createPathProxy(a.getGroupId()));
        Predicate<Artifact> predArtifactId = a -> artifactId.matches(createPathProxy(a.getArtifactId()));

                    default:
                        throw new UnresolvableModelException(
                                "Cannot resolve",
                                dependency.getGroupId(),
                                dependency.getArtifactId(),
                                dependency.getVersion());
                }
            }
        });

        }

        String groupId = getGroupId(rawModel);
        String artifactId = rawModel.getArtifactId();
        String version = getVersion(rawModel);

        return new ModelData(modelSource, rawModel, groupId, artifactId, version);
    }

    String getGroupId(Model model) {
        return getGroupId(model.getDelegate());
    }

        // prepare
        File basedir = new File("").getAbsoluteFile();
        ExecutionEvent event = mock(ExecutionEvent.class);
        MavenProject project = mock(MavenProject.class);
        when(project.getGroupId()).thenReturn("org.apache.maven");
        when(project.getArtifactId()).thenReturn("maven-embedder");
        when(project.getPackaging()).thenReturn("jar");
        when(project.getName()).thenReturn("Apache Maven Embedder");

        this.message = (message != null && !message.isEmpty()) ? message : null;
    }

    @Override
    public String getGroupId() {
        if (groupId != null) {
            return groupId;
        } else {
            return artifact.getGroupId();
        }
    }

    @Override
    public String getArtifactId() {
        if (artifactId != null) {
            return artifactId;

        if (project.getDependencyArtifacts() == null) {
            for (Dependency dependency : project.getDependencies()) {
                if (dependency.getGroupId() == null
                        || dependency.getGroupId().isEmpty()
                        || dependency.getArtifactId() == null
                        || dependency.getArtifactId().isEmpty()
                        || dependency.getVersion() == null

            @Nonnull Session session, @Nonnull Parent parent, @Nonnull AtomicReference<Parent> modified)
            throws ModelResolverException {
        return resolveModel(
                session,
                parent.getGroupId(),
                parent.getArtifactId(),
                parent.getVersion(),
                version -> modified.set(parent.withVersion(version)));
    }

    /**

        }

        return new ModelData(modelSource, rawModel);
    }

    static String getGroupId(Model model) {
        String groupId = model.getGroupId();
        if (groupId == null && model.getParent() != null) {
            groupId = model.getParent().getGroupId();
        }
        return groupId;
    }

    private String getVersion(Model model) {

                }
            } else {
                return model;
            }
        }
    }

    private boolean withinSameGav(Artifact a1, Artifact a2) {
        return Objects.equals(a1.getGroupId(), a2.getGroupId())
                && Objects.equals(a1.getArtifactId(), a2.getArtifactId())
                && Objects.equals(a1.getVersion(), a2.getVersion());
    }