*----+------+------+
| <<<project.basedir>>>\
<<<pom.basedir>>> (<deprecated>)\
<<<basedir>>> (<deprecated>) | the directory containing the <<<pom.xml>>> file | <<<$\{project.basedir\}>>> |
*----+------+------+
| <<<project.baseUri>>>\
<<<pom.baseUri>>> (<deprecated>) | the directory containing the <<<pom.xml>>> file as URI | <<<$\{project.baseUri\}>>> |
*----+------+------+

        interpolator.interpolateModel(model, null, request, collector);

        assertCollectorState(0, 1, 0, collector);
        assertEquals(
                "Resolving expression: '${basedir}': Detected the following recursive expression cycle in 'basedir': [basedir]",
                collector.getErrors().get(0));
    }

    protected abstract ModelInterpolator createInterpolator() throws Exception;

                    new AbstractValueSource(false) {
                        @Override
                        public Object getValue(String expression) {
                            if ("baseUri".equals(expression)) {
                                return projectDir
                                        .getAbsoluteFile()
                                        .toPath()

                new AbstractValueSource(false) {

                    @Override
                    public Object getValue(String expression) {
                        if (projectDir != null && "baseUri".equals(expression)) {
                            return projectDir.getAbsoluteFile().toPath().toUri().toASCIIString();
                        }
                        return null;
                    }

                uri = new URI(responseData.getUrl());
            }
            final URI baseUri = uri;
            getChildUrlRules(responseData, resultData).forEach(entry -> {
                List<RequestData> requestDataList = new ArrayList<>();
                for (final String childUrl : getUrlFromTagAttribute(baseUri, document, entry.getFirst(), entry.getSecond(),
                        responseData.getCharSet())) {

     *
     * @param baseUrl the base URL
     * @param canonicalUrl the canonical URL to normalize
     * @return the normalized canonical URL
     */
    protected String normalizeCanonicalUrl(final String baseUrl, final String canonicalUrl) {
        try {
            final URI baseUri = URI.create(baseUrl);

                "Active all ||${project.basedir}||",
                "<plugin-all-profiles-in>Active all ||${project.basedir}||</plugin-all-profiles-in>");

        checkBuildPluginWithArtifactId(
                activeProfilePlugins,
                "only-active-profile",
                "Active only ||${project.basedir}||",
                "<plugin-in-active-profile-only>Active only ||${project.basedir}||</plugin-in-active-profile-only>");

        final String[] path = referenceClass.getName().split("\\.");
        String baseUrl = url.toExternalForm();
        for (final String element : path) {
            final int pos = baseUrl.lastIndexOf('/');
            baseUrl = baseUrl.substring(0, pos);
        }
        return getTraverser(URLUtil.create(baseUrl + '/'), null, null);
    }

    /**

    <resources>
      <resource>
        <directory>${project.basedir}/src/main/resources</directory>
      </resource>
      <resource>
        <directory>${project.basedir}/src/main/resources-filtered</directory>
        <filtering>true</filtering>
      </resource>
    </resources>
    <testResources>
      <testResource>

        }

        if (basedir == null) {
            basedir = System.getProperty("user.dir");
        }

        this.basedir = basedir;
    }

    @Override
    public Object evaluate(String expr) throws ExpressionEvaluationException {
        return evaluate(expr, null);
    }

    @Override
    @SuppressWarnings("checkstyle:methodlength")