if (repositoryUrl.contains("${")) {
            // the repository url contains unresolved properties and getting the basedir is not possible
            // in JDK 20+ 'new URL(string)' will fail if the string contains a curly brace
            this.basedir = null;
        } else {
            try {
                URL url = new URL(repository.getUrl());
                if ("file".equals(url.getProtocol())) {

            }

            if (!plugin.isExtensions()
                    && artifacts.size() == 1
                    && artifacts.get(0).getFile() != null) {
                /*
                 * This is purely for backward-compat with 2.x where <extensions> consisting of a single artifact where
                 * loaded into the core and hence available to plugins, in contrast to bigger extensions that were