* @return an array of File objects representing matching plugin JAR files, or empty array if none found
     */
    public static File[] getPluginJarFiles(final String namePrefix) {
        return getPluginJarFiles((file, name) -> name.startsWith(namePrefix));
    }

    /**
     * Gets plugin JAR files from the plugin directory that match the specified filter.
     *

        assertNotNull(jarFiles);
        assertEquals(0, jarFiles.length);
    }

    public void test_getPluginJarFiles_withPrefix() {
        File[] pluginFiles = ResourceUtil.getPluginJarFiles("plugin");
        assertNotNull(pluginFiles);
        // Should return empty array when plugin directory doesn't exist
        assertEquals(0, pluginFiles.length);
    }

     */
    public Artifact[] getInstalledArtifacts(final ArtifactType artifactType) {
        if (artifactType == ArtifactType.UNKNOWN) {
            final File[] jarFiles = ResourceUtil.getPluginJarFiles((d, n) -> {
                for (final ArtifactType type : ArtifactType.values()) {
                    if (n.startsWith(type.getId())) {
                        return false;
                    }
                }

                File[] jarFiles = new File[] { jarFile };
                return super.loadDataStoreNameList();
            }
        };

        // Note: ResourceUtil.getPluginJarFiles is a static method, so we can't mock it directly
        // The test will verify the method works with the actual ResourceUtil implementation

        // Test with reflection to access protected method

     */
    protected List<String> loadDataStoreNameList() {
        final Set<String> nameSet = new HashSet<>();
        final File[] jarFiles = ResourceUtil.getPluginJarFiles(PluginHelper.ArtifactType.DATA_STORE.getId());
        for (final File jarFile : jarFiles) {
            try (FileSystem fs = FileSystems.newFileSystem(jarFile.toPath(), ClassLoader.getSystemClassLoader())) {