StringBuilder repos = new StringBuilder("[");

        if (localRepository != null) {
            repos.append(localRepository.getId())
                    .append(" (")
                    .append(localRepository.getBasedir())
                    .append(")");
        }

        if (remoteRepositories != null && !remoteRepositories.isEmpty()) {

     *
     * @param versionRange The version range to match the current Maven runtime against, must not be {@code null}.
     * @return {@code true} if the current Maven runtime matches the specified version range, {@code false} otherwise.
     * @throws IllegalArgumentException If the specified version range is {@code null}, empty or otherwise not a valid
     *             version specification.
     */

    private static Map<String, Expression> expressionDocumentation;

    public static Map<String, Expression> load() throws ExpressionDocumentationException {
        if (expressionDocumentation == null) {
            expressionDocumentation = new HashMap<>();

            ClassLoader docLoader = initializeDocLoader();

            for (String root : EXPRESSION_ROOTS) {

            throws ArtifactResolutionException, InvalidVersionSpecificationException {
        ScopeArtifactFilter filter;
        if (Artifact.SCOPE_PROVIDED.equals(expectedScope)) {
            filter = new ScopeArtifactFilter(Artifact.SCOPE_COMPILE);
        } else if (Artifact.SCOPE_SYSTEM.equals(expectedScope)) {
            filter = new ScopeArtifactFilter(Artifact.SCOPE_COMPILE);
        } else {

    public boolean isRootDirectory(Path dir) {
        if (Files.isDirectory(dir.resolve(".mvn"))) {
            return true;
        }
        // we're too early to use the modelProcessor ...
        Path pom = dir.resolve("pom.xml");
        try (InputStream is = Files.newInputStream(pom)) {
            XMLStreamReader parser = new WstxInputFactory().createXMLStreamReader(is);
            if (parser.nextTag() == XMLStreamReader.START_ELEMENT

        <field xdoc.separator="blank">
          <name>parent</name>
          <version>4.0.0+</version>
          <description>The location of the parent project, if one exists. Values from the parent
            project will be the default for this project if they are left unspecified. The location
            is given as a group ID, artifact ID and version.</description>
          <association>
            <type>Parent</type>

     *
     * @param version the version string to parse, must not be {@code null}
     * @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)".

    public PersistedToolchains build(File userToolchainsFile) throws MisconfiguredToolchainException {
        PersistedToolchains toolchains = null;

        if (userToolchainsFile != null && userToolchainsFile.isFile()) {
            try (InputStream in = Files.newInputStream(userToolchainsFile.toPath())) {

 * infrastructure.<br>
 * It features an <code>execute()</code> method, which triggers the Mojo's build-process behavior, and can throw
 * a MojoException if error conditions occur.<br>
 *
 * @since 4.0.0
 */
@Experimental
@FunctionalInterface
@Consumer
public interface Mojo {
    /**

        requireNonNull(context, "context cannot be null");
        return this;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        } else if (null == obj || !getClass().equals(obj.getClass())) {
            return false;
        }
        return true;
    }

    @Override
    public int hashCode() {