attributes.put("doctype", "book");
            attributes.put("imagesdir", "img");
            attributes.put("nofooter", true);
            attributes.put("javadocPath", "../javadoc");
            attributes.put("sectanchors", true);
            attributes.put("sectlinks", true);
            attributes.put("linkattrs", true);
            attributes.put("reproducible", "");

    // groovy_plugin.adoc#groovy_plugin,Groovy
    private final Pattern linkWithHashPattern = Pattern.compile("([a-zA-Z_0-9-.]*)#(.*)");
    // link:{javadocPath}/org/gradle/api/java/archives/ManifestMergeDetails.html[ManifestMergeDetails]
    private final Pattern javadocLinkPattern = Pattern.compile("link:\\{javadocPath\\}/(.*?\\.html)");
    // link:https://kotlinlang.org/docs/reference/using-gradle.html#targeting-the-jvm[Kotlin]