*/
    @Nonnull
    Optional<Source> locate(@Nonnull Path dir);

    /**
     * Parse the model obtained previously by a previous call to {@link #locate(Path)}.
     *
     * @param source the source to parse, never {@code null}
     * @param options possible parsing options, may be {@code null}
     * @return the parsed {@link Model}, never {@code null}

 *
 * @since 4.0.0
 */
@Experimental
@Immutable
public interface DependencyProperties {
    /**
     * Boolean flag telling that dependency contains all of its dependencies. Value of this key should be parsed with
     * {@link Boolean#parseBoolean(String)} to obtain value.
     * <p>
     * Important: this flag must be kept in sync with resolver! (as is used during collection)
     */

    private final int lineNumber;

    /**
     * The one-based index of the column containing the error.
     */
    private final int columnNumber;

    /**
     * Creates a new parser exception with the specified details.
     *
     * @param message The error message, may be {@code null}.
     * @param lineNumber The one-based index of the line containing the error or {@code -1} if unknown.

            Path projectDirectory = pomFile.getParent();
            List<ModelParserException> exceptions = new ArrayList<>();
            for (ModelParser parser : modelParsers) {
                try {
                    Optional<Model> model =
                            parser.locateAndParse(projectDirectory, Map.of(ModelParser.STRICT, request.isStrict()));
                    if (model.isPresent()) {

        assertEquals(incremental, artifactVersion.getIncrementalVersion(), parsed + "check incremental version");
        assertEquals(buildnumber, artifactVersion.getBuildNumber(), parsed + "check build number");
        assertEquals(qualifier, artifactVersion.getQualifier(), parsed + "check qualifier");
        assertEquals(version, artifactVersion.toString(), "check " + version + " string value");
    }

import org.apache.maven.model.version.ModelVersionParser;

import static org.apache.maven.internal.impl.Utils.nonNull;

/**
 * A wrapper class around a resolver version that works as model version parser as well.
 */
@Named
@Singleton
public class DefaultVersionParser implements VersionParser {
    private final ModelVersionParser modelVersionParser;

    @Inject

import org.apache.maven.api.services.xml.XmlReaderRequest;

/**
 * ModelProcessor
 */
public interface ModelProcessor {

    /**
     * Returns the file containing the pom to be parsed or null if a pom can not be found
     * at the given file or in the given directory.
     */
    @Nullable
    Path locateExistingPom(@Nonnull Path project);

    /**

 * @see org.apache.maven.api.services.ToolchainsBuilder#build(Session, Source, Source)
 */
@Experimental
public interface Source {

    /**
     * Provides access the file to be parsed, if this source is backed by a file.
     *
     * @return the underlying {@code Path}, or {@code null} if this source is not backed by a file
     */
    @Nullable
    Path getPath();

    /**

    // for each exception
    // - knowing what artifacts are missing
    // - project building exception
    // - invalid project model exception: list of markers
    // - xmlpull parser exception
    List<Throwable> getExceptions();

    MavenExecutionResult addException(Throwable e);

    boolean hasExceptions();

    /**
     * Gets the build summary for the specified project.
     *

     * @return The extracted descriptor or {@code null} if no descriptor was found.
     * @throws IOException If the descriptor is present but could not be parsed.
     */
    public ExtensionDescriptor build(File extensionJar) throws IOException {
        ExtensionDescriptor extensionDescriptor = null;

        if (extensionJar.isFile()) {