.get(stream -> stream.map(String::trim).toArray(n -> new String[n]));
    }

    protected List<Artifact> loadArtifactsFromRepository(final String url) {
        final String content = getRepositoryContent(url);
        final ObjectMapper objectMapper = new YAMLMapper();
        try {
            @SuppressWarnings("unchecked")
            final List<Map<?, ?>> result = objectMapper.readValue(content, List.class);

        pluginHelper = new PluginHelper() {
            protected String[] getRepositories() {
                return new String[] { "plugin/repo1/", "plugin/repo2/" };
            }

            protected String getRepositoryContent(String url) {
                if (url.endsWith("/")) {
                    url = url + "index.html";
                }
                if (url.contains("plugin/repo1")) {