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);

    /**

     * @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()) {

     * @return the parsed version, never {@code null}
     * @throws VersionParserException if the string violates the syntax rules of this scheme
     */
    @Nonnull
    Version parseVersion(@Nonnull String version);

    /**
     * Parses the specified version range specification, for example "[1.0,2.0)".
     *
     * @param range the range specification to parse, must not be {@code null}

            XMLStreamReader parser = new WstxInputFactory().createXMLStreamReader(is);
            if (parser.nextTag() == XMLStreamReader.START_ELEMENT
                    && parser.getLocalName().equals("project")) {
                for (int i = 0; i < parser.getAttributeCount(); i++) {
                    if ("root".equals(parser.getAttributeLocalName(i))) {

    List<Version> resolveVersionRange(@Nonnull ArtifactCoordinate artifact);

    /**
     * Parses the specified version string, for example "1.0".
     * <p>
     * Shortcut for {@code getService(VersionParser.class).parseVersion(...)}.
     *
     * @param version the version string to parse
     * @return the version parsed from the given string
     * @throws org.apache.maven.api.services.VersionParserException if the parsing failed

            throw new XmlWriterException("Unable to write model: " + getMessage(e), getLocation(e), e);
        }
    }

    /**
     * Simply parse the given xml string.
     *
     * @param xml the input xml string
     * @return the parsed object
     * @throws XmlReaderException if an error occurs during the parsing
     * @see #toXmlString(Object)
     */

                        }
                        return new Relocation(global, s, t);
                    })
                    .collect(Collectors.toList());
            LOGGER.info("Parsed {} user relocations", relocationList.size());
            return new Relocations(relocationList);
        }
    }

    private static Artifact parseArtifact(String coord) {
        Artifact s;

            resource to allow Maven to merge changes to this resource that take
            place during the execution of a plugin. This field must be managed
            by the generated parser and formatter classes in order to allow it
            to survive model interpolation.
          </description>
          <type>String</type>
        </field>
      </fields>
      <codeSegments>

 * leveraged using the {@link org.apache.maven.api.plugin.annotations.Execute}
 * annotation.  If a {@code META-INF/maven/lifecycle.xml} file is packaged
 * in the plugin, Maven will provide a default implementation that will parse
 * the file and return the contained lifecycle definitions.
 *
 * @since 4.0.0
 */
@Experimental
@Consumer
public interface LifecycleProvider {

    List<Lifecycle> getLifecycles();

     * In case the project is loaded externally from a remote repository (as a dependency or
     * even as an external parent), the POM will be parsed in a lenient way.  Local POMs
     * are parsed more strictly.
     */
    boolean isProjectBuild();

    /**
     * Specifies whether plugin processing should take place for the built model.