if (attrs == null)
attrs = new HashMap<String, String>(2);
attrs.put("package", packageName);
attrs.put("mode", mode.name());
Strategy useStrategy = findStrategy(attrs, strategyx, range);
List<RepositoryPlugin> plugins = getPlugins(RepositoryPlugin.class);
for (RepositoryPlugin plugin : plugins) {
try {
File result = plugin.get(null, range, useStrategy, attrs);