@Restricted(NoExternalUse.class)
    public static String printThrowable(@NonNull Throwable t) {
        String s = Functions.printThrowable(t)
                .split("at io.jenkins.plugins.casc.ConfigurationAsCode.export")[0]
                .replaceAll("\t", "  ");
        return s.substring(0, s.lastIndexOf(")") + 1);
    }
Retrieve which plugin do provide this extension point, used in documentation.jelly

@return String representation of the extension source, usually artifactId.
plugin/src/main/java/io/jenkins/plugins/casc/ConfigurationAsCode.java