import org.apache.maven.internal.impl.DefaultSession;
import org.apache.maven.internal.impl.InternalMavenSession;
import org.apache.maven.model.building.ModelBuildingException;
import org.apache.maven.model.building.ModelProblem;
import org.apache.maven.repository.RepositorySystem;
import org.apache.maven.repository.internal.MavenRepositorySystemUtils;
import org.apache.maven.session.scope.internal.SessionScope;

        rel.pomArtifact = pomArtifact;
        rel.relocatedArtifact = relocatedArtifact;

        return rel;
    }

    private ModelProblem hasMissingParentPom(ProjectBuildingException e) {
        if (e.getCause() instanceof ModelBuildingException mbe) {
            for (ModelProblem problem : mbe.getProblems()) {
                if (problem.getException() instanceof UnresolvableModelException) {
                    return problem;

 * the problem.
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public class DefaultModelProblem implements ModelProblem {

    private final String source;

    private final int lineNumber;

    private final int columnNumber;

    private final String modelId;

    private final String message;

     *
     * @return the problem collector that collected problems encountered during the project building
     */
    @Nonnull
    ProblemCollector<ModelProblem> getProblemCollector();

    /**
     * Gets the children of this result.
     *
     * @return the children of this result, can be empty but never {@code null}
     */
    @Nonnull

     *            to force output of model id and source.
     * @return The formatted problem location or an empty string if unknown, never {@code null}.
     */
    public static String formatLocation(ModelProblem problem, String projectId) {
        StringBuilder buffer = new StringBuilder(256);

        if (!problem.getModelId().equals(projectId)) {
            buffer.append(problem.getModelId());

        }
    }

    /**
     * Gets the problems that caused this exception.
     *
     * @return The problems that caused this exception, never {@code null}.
     */
    public ProblemCollector<ModelProblem> getProblemCollector() {
        if (result == null) {
            return ProblemCollector.empty();
        }
        return result.getProblemCollector();
    }

     * {@link ModelProblem.Severity#WARNING} and below are reported here. Problems with a higher severity level cause
     * the model builder to fail with a {@link ModelBuildingException}.
     *
     * @return The problems that were encountered during the model building, can be empty but never {@code null}.
     */
    List<ModelProblem> getProblems();

import org.apache.maven.impl.InternalSession;
import org.apache.maven.impl.MappedCollection;
import org.apache.maven.impl.RequestTraceHelper;
import org.apache.maven.model.building.ModelProblem;
import org.apache.maven.model.building.ModelSource2;
import org.apache.maven.project.DefaultProjectBuildingRequest;
import org.apache.maven.project.ProjectBuildingException;

        Result<? extends ProjectDependencyGraph> graphResult = graphBuilder.build(session);
        for (ModelProblem problem : graphResult.getProblems()) {
            if (problem.getSeverity() == ModelProblem.Severity.WARNING) {
                logger.warn(problem.getMessage());
            } else {
                logger.error(problem.getMessage());
            }
        }

import org.apache.maven.model.building.ModelProblem.Severity;
import org.apache.maven.model.building.ModelProblem.Version;

/**
 * Class to wrap request parameters to ModelProblemCollector.addProblem
 *
 * @deprecated use {@code org.apache.maven.api.services.ModelBuilder} instead
 */
@Deprecated(since = "4.0.0")
public final class ModelProblemCollectorRequest {

    private final ModelProblem.Severity severity;