func (m *Manager) RegisterSingleHandler(id HandlerID, h SingleHandlerFn, subroute ...string) error {
	if !id.valid() {
		return ErrUnknownHandler
	}
	s := strings.Join(subroute, "/")
	if debugPrint {
		fmt.Println("RegisterSingleHandler: ", id.String(), "subroute:", s)
	}

	if len(subroute) == 0 {
		if m.handlers.hasAny(id) && !id.isTestHandler() {
			return fmt.Errorf("handler %v: %w", id.String(), ErrHandlerAlreadyExists)

 * </ul>
 *
 * <h2>Usage Example</h2>
 *
 * <pre>
 * {@code
 * Session session = ... // Obtain a Maven session
 * Packaging packaging = session.requirePackaging("jar");
 * System.out.println(packaging.getId()); // Outputs "jar"
 * }
 * </pre>
 *
 * @see org.apache.maven.api.Session#requirePackaging(String)
 * @see org.apache.maven.api.Project#getPackaging()

            if (prev != null) {
                int compare = prev.compareTo(c);
                System.out.println(
                        "   " + prev + ' ' + ((compare == 0) ? "==" : ((compare < 0) ? "<" : ">")) + ' ' + version);
            }

            System.out.println(
                    (i++) + ". " + version + " -> " + c.getCanonical() + "; tokens: " + c.items.toListString());

            prev = c;

    if (path.endsWith(".txt")) return "text/plain; charset=utf-8";
    return "application/octet-stream";
  }

  public static void main(String[] args) throws Exception {
    if (args.length != 4) {
      System.out.println("Usage: SampleServer <keystore> <password> <root file> <port>");
      return;
    }

    String keystoreFile = args[0];
    String password = args[1];
    String root = args[2];

    }

    //
    // These are the only methods we need in our primordial logger
    //
    @Override
    public void error(String msg) {
        out.print(ERROR);
        out.println(msg);
    }

    @Override
    public void error(String msg, Throwable t) {
        error(msg);

        if (null != t) {
            t.printStackTrace(out);
        }
    }

    //

                for (ModelProblem problem : modelBuildingException.getProblems()) {
                    message.append(problem).append("\n");
                }
                System.out.println(message);
                fail(message.toString());
            }

            throw e;
        }
    }

    protected MavenProject getProject(File pom) throws Exception {

		line1 := fmt.Sprintf("%s %s", plainMsg, color.YellowBold(testCase.expectedSubStr))
		line2 := fmt.Sprintf("Update: %s", color.CyanBold(testCase.dlURL))
		// Uncomment below to see message appearance:
		// fmt.Println(output)
		switch {
		case testCase.dlURL == "" && output != "":
			t.Errorf("Testcase %d: no newer release available but got an update message: %s", i+1, output)
		case output == "" && testCase.dlURL != "" && testCase.older > 0:

 *
 * ```java
 * String attack = "http://example.com/static/images/../../../../../etc/passwd";
 * System.out.println(new URL(attack).getPath());
 * System.out.println(new URI(attack).getPath());
 * System.out.println(HttpUrl.parse(attack).encodedPath());
 * ```
 *
 * By canonicalizing the input paths, they are complicit in directory traversal attacks. Code that

	// only the last chunk is zero-sized.
	if len(cr.buffer) == 0 {
		if cr.debug {
			fmt.Println("EOF. Reading Trailers:", cr.trailers)
		}
		if cr.trailers != nil {
			err = cr.readTrailers()
			if cr.debug {
				fmt.Println("trailers returned:", err, "now:", cr.trailers)
			}
			if err != nil {
				cr.err = err
				return 0, err
			}
		}
		cr.err = io.EOF

}

var panicOnError bool // For testing.

func (in *Input) Error(args ...any) {
	if panicOnError {
		panic(fmt.Errorf("%s:%d: %s", in.File(), in.Line(), fmt.Sprintln(args...)))
	}
	fmt.Fprintf(os.Stderr, "%s:%d: %s", in.File(), in.Line(), fmt.Sprintln(args...))
	os.Exit(1)
}

// expectText is like Error but adds "got XXX" where XXX is a quoted representation of the most recent token.
func (in *Input) expectText(args ...any) {