/**
 * Signals an error when resolving the path to an external model.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class UnresolvableModelException extends Exception {

    /**
     * The group id of the unresolvable model.
     */
    private final String groupId;

    /**
     * The artifact id of the unresolvable model.
     */

        parent.setGroupId("org.apache");
        parent.setArtifactId("apache");
        parent.setVersion("0");

        UnresolvableModelException e = assertThrows(
                UnresolvableModelException.class,
                () -> newModelResolver().resolveModel(parent),
                "Expected 'UnresolvableModelException' not thrown.");
        assertNotNull(e.getMessage());

        parent.setArtifactId("artifact");
        parent.setVersion("0");

        UnresolvableModelException e = assertThrows(
                UnresolvableModelException.class,
                () -> newModelResolver().resolveModel(parent),
                "Expected 'UnresolvableModelException' not thrown.");
        assertNotNull(e.getMessage());

                throw new UnresolvableModelException(e.getMessage(), groupId, artifactId, version, e);
            }

            pomFile = pomArtifact.getFile();
        }

        return new FileModelSource(pomFile);
    }

    @Override
    public ModelSource resolveModel(final Parent parent) throws UnresolvableModelException {
        try {
            final Artifact artifact =

     * @return The source of the requested POM, never {@code null}.
     * @throws UnresolvableModelException If the POM could not be resolved from any configured repository.
     */
    ModelSource resolveModel(String groupId, String artifactId, String version) throws UnresolvableModelException;

    /**
     * Tries to resolve the POM for the specified parent coordinates possibly updating {@code parent}.

public interface WorkspaceModelResolver {

    Model resolveRawModel(String groupId, String artifactId, String versionConstraint)
            throws UnresolvableModelException;

    Model resolveEffectiveModel(String groupId, String artifactId, String versionConstraint)
            throws UnresolvableModelException;

        } catch (ArtifactResolutionException e) {
            throw new UnresolvableModelException(e.getMessage(), groupId, artifactId, version, e);
        }

        Path pomFile = pomArtifact.getPath();

        return new FileModelSource(pomFile);
    }

    @Override
    public ModelSource resolveModel(final Parent parent) throws UnresolvableModelException {
        try {
            final Artifact artifact =

            };
        }

        @Override
        public ModelSource resolveModel(Parent parent) throws UnresolvableModelException {
            return null;
        }

        @Override
        public ModelSource resolveModel(Dependency dependency) throws UnresolvableModelException {
            return null;
        }

        @Override

            } catch (ModelBuildingException e) {
                for (ModelProblem problem : e.getProblems()) {
                    if (problem.getException() instanceof UnresolvableModelException unresolvableModelException) {
                        result.addException(unresolvableModelException);
                        throw new ArtifactDescriptorException(result);
                    }
                }

import org.apache.maven.model.building.ModelBuildingException;
import org.apache.maven.model.building.ModelBuildingRequest;
import org.apache.maven.model.building.ModelProblem;
import org.apache.maven.model.resolution.UnresolvableModelException;
import org.apache.maven.plugin.LegacySupport;
import org.apache.maven.project.DefaultProjectBuildingRequest;
import org.apache.maven.project.MavenProject;
import org.apache.maven.project.ProjectBuilder;