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);
    }

    public static <T> Result<T> error(T model) {
        return error(model, Collections.emptyList());
    }

                a = factory.createBuildArtifact("org.apache.maven", "h", "1.0", "jar");
                dependencies.add(a);
            } catch (Exception e) {
                throw new ArtifactMetadataRetrievalException("Error retrieving metadata", e, a);
            }
        }

        if ("i".equals(artifact.getArtifactId())) {
            Artifact a = null;
            try {

     * @param path path to the JAR file or output directory of the dependency
     * @return where to place the dependency, or an empty value if the placement cannot be determined
     * @throws IOException if an error occurred while reading module information
     */
    Optional<PathType> selectPathType(Set<PathType> types, Predicate<PathType> filter, Path path) throws IOException {
        PathType selected = null;

     * @return The results of the project builder where each result corresponds to one project that was built, never
     *         {@code null}.
     * @throws ProjectBuildingException If an error was encountered during building of any project.
     *             {@link ProjectBuildingException#getResults()} provides access to the details of the problems.
     */

                a = factory.createBuildArtifact("org.apache.maven", "h", "1.0", "jar");
                dependencies.add(a);
            } catch (Exception e) {
                throw new ArtifactMetadataRetrievalException("Error retrieving metadata", e, a);
            }
        }

        if ("i".equals(artifact.getArtifactId())) {
            Artifact a = null;
            try {

    }

    /**
     * @param reader the reader
     * @param locationBuilder the builder
     * @since 3.2.0
     * @return DOM
     * @throws XmlPullParserException XML well-formedness error
     * @throws IOException I/O error reading file or stream
     */
    public static XmlNodeImpl build(Reader reader, InputLocationBuilder locationBuilder)
            throws XmlPullParserException, IOException {

 * it delegates to other components that potentially encounter problems. Then, the problem reporter can focus on
 * providing a simple error message, leaving the donkey work of creating a nice model problem to this component.
 *
 */
class DefaultModelProblemCollector implements ModelProblemCollector {

    private final ModelBuilderResult result;

        } catch (Exception e) {
            event.problems()
                    .add(
                            BuilderProblem.Severity.ERROR,
                            ModelProblem.Version.BASE,
                            "Invalid plugin repository: " + e.getMessage(),
                            e);
        }

        try {
            path = profileActivationFilePathInterpolator.interpolate(path, context);
        } catch (InterpolationException e) {
            problems.add(
                    BuilderProblem.Severity.ERROR,
                    ModelProblem.Version.BASE,
                    "Failed to interpolate file location " + path + " for profile " + profile.getId() + ": "
                            + e.getMessage(),

            infoRenderedLevel = builder().info("INFO").build();
            warnRenderedLevel = builder().warning("WARNING").build();
            errorRenderedLevel = builder().error("ERROR").build();
        }
        switch (level) {
            case LOG_LEVEL_TRACE:
                return traceRenderedLevel;
            case LOG_LEVEL_DEBUG:
                return debugRenderedLevel;