.read(XmlReaderRequest.builder()
                                .inputStream(is)
                                .location(toolchainsSource.getLocation())
                                .strict(true)
                                .build());
            } catch (XmlReaderException e) {
                InputStream is = toolchainsSource.openStream();
                if (is == null) {

OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

        problems.setSource(modelSource.getLocation());
        try {
            boolean strict = request.getValidationLevel() >= ModelBuilderRequest.VALIDATION_LEVEL_MAVEN_2_0;

            try (InputStream is = modelSource.openStream()) {
                model = modelProcessor.read(XmlReaderRequest.builder()
                        .strict(strict)
                        .location(modelSource.getLocation())

         * the first occurrence. So when we're in lenient/compat mode, we have to deal with such broken POMs and mimic
         * the way 2.x works. When we're in strict mode, the removal of duplicates just saves other merging steps from
         * aftereffects and bogus error messages.
         */
        List<Dependency> dependencies = model.getDependencies();

        config.setValidationLevel(
                lenientValidation
                        ? ModelBuildingRequest.VALIDATION_LEVEL_MAVEN_2_0
                        : ModelBuildingRequest.VALIDATION_LEVEL_STRICT);

        DefaultRepositorySystemSession repoSession = MavenTestHelper.createSession(repositorySystem);
        LocalRepository localRepo =
                new LocalRepository(config.getLocalRepository().getBasedir());

                        .read(XmlReaderRequest.builder()
                                .inputStream(is)
                                .location(settingsSource.getLocation())
                                .strict(true)
                                .build());
            } catch (XmlReaderException e) {
                try (InputStream is = settingsSource.openStream()) {
                    settings = request.getSession()

     * Denotes validation as performed by Maven 4.0. This validation level is meant for new projects.
     */
    int VALIDATION_LEVEL_MAVEN_4_0 = 40;

    /**
     * Denotes strict validation as recommended by the current Maven version.
     */
    int VALIDATION_LEVEL_STRICT = VALIDATION_LEVEL_MAVEN_4_0;

    @Nonnull
    Session getSession();

    @Nonnull
    ModelSource getSource();

    int getValidationLevel();

            return modelProcessor.read(XmlReaderRequest.builder()
                    .modelId(modelId)
                    .location(url.toExternalForm())
                    .inputStream(is)
                    .strict(false)
                    .build());
        } catch (IOException e) {
            throw new IllegalStateException(
                    "The super POM " + resource + " is damaged"

    if match is found, the toolchain instance is made available to other Maven plugins.</p>
    <p>With {@code jdk} toolchain, for example, instead of being stuck with the JDK used to run Maven, all plugins can use
    the same other JDK instance without hardcoding absolute paths into the {@code pom.xml}
    and without configuring every plugin that require path to JDK tools.</p>

 */
@Experimental
@Consumer
public interface ModelParser extends SpiService {

    /**
     * Option that can be specified in the options map.  The value should be a Boolean.
     */
    String STRICT = "strict";

    /**
     * Locates the pom in the given directory.
     *
     * @param dir the directory to locate the pom for, never {@code null}