assertEquals(getRoot() + "Program File", ResourceUtil.getFileName(url));
        url = ResourceUtil.getResource("java/lang/String.class");
        assertNull(ResourceUtil.getFile(url));
    }

    private String getRoot() throws IOException {
        final String root = new File("/").getCanonicalPath().replace('\\', '/');
        if (root.startsWith("/")) {
            return root;
        }

 * error handling, and validation in web API context.
 */
public final class WebApiUtil {

    /**
     * Request attribute key for storing web API exceptions.
     */
    private static final String WEB_API_EXCEPTION = "webApiException";

    /**
     * Private constructor to prevent instantiation.
     */
    private WebApiUtil() {
    }

    /**

    private static final String NAME_PREFIX = "fileAuthTest_";
    private static final String API_PATH = "/api/admin/fileauth";
    private static final String LIST_ENDPOINT_SUFFIX = "settings";
    private static final String ITEM_ENDPOINT_SUFFIX = "setting";

    private static final String KEY_PROPERTY = "username";

    @Override
    protected String getNamePrefix() {
        return NAME_PREFIX;
    }

     * @return an OptionalThing containing the pipeline string if found, or empty if not found or blank
     */
    public OptionalThing<String> getPipeline(final String configId) {
        final CrawlingConfig config = getCrawlingConfig(configId);
        if (config == null) {
            return OptionalThing.empty();
        }
        final String pipeline = config.getConfigParameterMap(ConfigName.CONFIG).get(Config.PIPELINE);

  }

  private static void checkFromStringCase(
      String hpString,
      int defaultPort,
      @Nullable String expectHost,
      int expectPort,
      boolean expectHasExplicitPort) {
    HostAndPort hp;
    try {
      hp = HostAndPort.fromString(hpString);
    } catch (IllegalArgumentException e) {
      // Make sure we expected this.
      assertNull(expectHost);

  }

  private static void checkFromStringCase(
      String hpString,
      int defaultPort,
      @Nullable String expectHost,
      int expectPort,
      boolean expectHasExplicitPort) {
    HostAndPort hp;
    try {
      hp = HostAndPort.fromString(hpString);
    } catch (IllegalArgumentException e) {
      // Make sure we expected this.
      assertNull(expectHost);

pkg os/exec, func CommandContext(context.Context, string, ...string) *Cmd
pkg os/user, func LookupGroup(string) (*Group, error)
pkg os/user, func LookupGroupId(string) (*Group, error)
pkg os/user, method (*User) GroupIds() ([]string, error)
pkg os/user, method (UnknownGroupError) Error() string
pkg os/user, method (UnknownGroupIdError) Error() string
pkg os/user, type Group struct
pkg os/user, type Group struct, Gid string

        callback.store(params, numericData);

        // Test with boolean data
        Map<String, Object> booleanData = new HashMap<>();
        booleanData.put("flag", true);
        callback.store(params, booleanData);

        // Test with nested map
        Map<String, Object> nestedData = new HashMap<>();
        Map<String, String> innerMap = new HashMap<>();
        innerMap.put("inner", "value");

     *   <li>Conflict resolution information (if the dependency was omitted due to conflicts or duplicates)</li>
     * </ul>
     *
     * @return a string representation of this dependency node with optional detailed information
     */
    @Nonnull
    String asString();

    /**
     * Obtain a Stream containing this node and all its descendants.
     *
     * @return a stream containing this node and its descendants

    protected Map<String, String> propertyMap = new HashMap<>();

    /** Map of HTML tag names to attribute names for extracting child URLs. */
    protected Map<String, String> childUrlRuleMap = new LinkedHashMap<>();

    /** Default character encoding to use when none is specified. */
    protected String defaultEncoding;

    /** Number of bytes to read from input stream to determine character set encoding.