* or a simple string message. In addition, a problem carries a hint about its source, e.g. the POM file that exhibits
 * the problem.
 *
 */
public interface ModelProblem extends BuilderProblem {

    /**
     * Enumeration of model versions that can be validated.
     * These versions correspond to different levels of validation that can be applied

            for (ModelProblem modelProblem : result1.getProblems()) {
                problemsList.add(modelProblem);
            }
        }

        return success(model, problemsList);
    }

    /**
     * Error with problems describing the cause
     *
     * @param problems
     */
    public static <T> Result<T> error(Iterable<? extends ModelProblem> problems) {
        return error(null, problems);

        List<ProjectBuildingResult> results = new ArrayList<>();

        List<ModelProblem> problems1 = new ArrayList<>();
        Collections.addAll(
                problems1,
                new DefaultModelProblem(
                        "Missing required dependency",
                        ModelProblem.Severity.ERROR,
                        null,
                        "pom.xml",
                        25,

 * under the License.
 */
package org.apache.maven.project;

import java.io.File;
import java.util.Collections;
import java.util.List;

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

/**
 * Collects the output of the project builder.
 *
 * @deprecated use {@code org.apache.maven.api.services.ProjectBuilder} instead
 */
@Deprecated(since = "4.0.0")

        long errorProblems = 0;

        for (ProjectBuildingResult result : results) {
            List<ModelProblem> problems = result.getProblems();
            totalProblems += problems.size();

            for (ModelProblem problem : problems) {
                if (problem.getSeverity() != ModelProblem.Severity.WARNING) {
                    errorProblems++;
                }
            }
        }

        }

        private static org.apache.maven.model.building.ModelProblem convert(ModelProblem p) {
            return new DefaultModelProblem(
                    p.getMessage(),
                    org.apache.maven.model.building.ModelProblem.Severity.valueOf(
                            p.getSeverity().name()),
                    org.apache.maven.model.building.ModelProblem.Version.valueOf(
                            p.getVersion().name()),

     * @deprecated Use {@link #ModelBuildingException(ModelBuildingResult)} instead.
     */
    @Deprecated
    public ModelBuildingException(Model model, String modelId, List<ModelProblem> problems) {
        super(toMessage(modelId, problems));

        if (model != null) {
            DefaultModelBuildingResult tmp = new DefaultModelBuildingResult();
            if (modelId == null) {

 * under the License.
 */
package org.apache.maven.model.interpolation;

import java.util.List;

import org.apache.maven.model.building.ModelProblem.Severity;
import org.apache.maven.model.building.ModelProblem.Version;
import org.apache.maven.model.building.ModelProblemCollector;
import org.apache.maven.model.building.ModelProblemCollectorRequest;
import org.codehaus.plexus.interpolation.ValueSource;

        return new ExceptionSummary(null, message, null, children);
    }

    private ExceptionSummary handle(ModelProblem problem, String projectId) {
        if (ModelProblem.Severity.ERROR.compareTo(problem.getSeverity()) >= 0) {
            String message = problem.getMessage();

            String location = ModelProblemUtils.formatLocation(problem, projectId);

 * 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;