void RegisterTracingEngineFactory(const string& name, FactoryFunction factory) {
  assert((!GetFactories().count(name)) ||
         (GetFactories()[name] == factory) &&
             "Duplicate tracing factory registration");
  GetFactories()[name] = factory;
}

absl::Status SetDefaultTracingEngine(const char* name) {
  auto entry = GetFactories().find(name);
  if (entry != GetFactories().end()) {

   * insertion order.
   */
  private void populateTShapedGraph() {
    putEdge(2, 1);
    putEdge(1, 4);
    putEdge(1, 3);
    putEdge(1, 2); // Duplicate
    putEdge(4, 5);
  }

  // Element Mutation

  @Test
  public void putEdge_existingNodes() {
    assume().that(graphIsMutable()).isTrue();

        "Waiting for a process to open the other end of the pipe.", "File is a directory.", "A duplicate name exists on the network.",
        "The specified network name is no longer available.", "Network access is denied.", "Bad device type", "The network name cannot be found.",

                final String duplicateCheckStr = text.replace(" ", "");
                if (words.stream().map(word -> word.replace(" ", "")).anyMatch(word -> word.equals(duplicateCheckStr))) {
                    // skip duplicate word.
                    continue;
                }
            }

            words.add(text);
            final boolean isFirstWords = isFirstWordMatching(singleWordQuery, hiraganaQuery, text);

        "No process is on the other end of the pipe.",
        "The pipe is being closed.",
        "Waiting for a process to open the other end of the pipe.",
        "Access is denied.",
        "A duplicate name exists on the network.",
        "The specified network name is no longer available.",
        "Network access is denied.",
        "The network name cannot be found.",

labels.pathmap_pt_crawling=Crawling
labels.pathmap_pt_displaying=Displaying
labels.pathmap_pt_both=Crawling/Displaying
labels.regular_name=Regular Name
labels.duplicate_name=Duplicate Name
labels.duplicate_host_configuration=Duplicate Host
labels.duplicate_host_title_details=Duplicate Host
labels.dashboard_title_configuration=System Configuration
labels.suggest_search_log_enabled=Suggest from Search Words

    /**
     * Patterns of artifacts provided by maven core and exported via maven api realm. These artifacts are filtered from
     * plugin and build extensions realms to avoid presence of duplicate and possibly conflicting classes on classpath.
     */
    private final Set<String> providedArtifacts;

    private final Set<String> providedArtifactsV4;

    @Inject
    public DefaultClassRealmManager(

   * returns {@code null}, returns a map containing null keys or values, or fails to return an entry
   * for each requested key.
   *
   * <p>Note that duplicate elements in {@code keys}, as determined by {@link Object#equals}, will
   * be ignored.
   *
   * @throws ExecutionException if a checked exception was thrown while loading the value. ({@code

	for _, zep := range *l {
		for _, ep := range zep.Endpoints {
			existSet.Add(ep.String())
		}
	}
	// Validate if there are duplicate endpoints across serverPools
	for _, ep := range zeps.Endpoints {
		if existSet.Contains(ep.String()) {
			return fmt.Errorf("duplicate endpoints found")
		}
	}
	*l = append(*l, zeps)
	return nil
}

// Localhost - returns the local hostname from list of endpoints

// The name must be a relative path: it must not start with a drive
// letter (e.g. C:) or leading slash, and only forward slashes are
// allowed. To create a directory instead of a file, add a trailing
// slash to the name. Duplicate names will not overwrite previous entries
// and are appended to the zip file.
// The file's contents must be written to the [io.Writer] before the next
// call to [Writer.Create], [Writer.CreateHeader], or [Writer.Close].