assertEquals("maven-it-plugin-expression", pom.getValue("build/plugins[2]/artifactId"));
        assertEquals("maven-it-plugin-configuration", pom.getValue("build/plugins[3]/artifactId"));

        assertEquals("maven-it-plugin-log-file", pom.getValue("reporting/plugins[1]/artifactId"));
        assertEquals("maven-it-plugin-expression", pom.getValue("reporting/plugins[2]/artifactId"));

    public static final List<String> VALID_MODEL_VERSIONS =
            Collections.unmodifiableList(Arrays.asList("4.0.0", "4.1.0"));

    private static final Pattern EXPRESSION_NAME_PATTERN = Pattern.compile("\\$\\{(.+?)}");
    private static final Pattern EXPRESSION_PROJECT_NAME_PATTERN = Pattern.compile("\\$\\{(project.+?)}");

    private static final String ILLEGAL_FS_CHARS = "\\/:\"<>|?*";