new Function<@Nullable String, @Nullable Character>() {
        @Override
        public @Nullable Character apply(@Nullable String input) {
          return input == null ? null : input.charAt(0);
        }
      };

  @Override
  protected Table<String, Integer, Character> create(@Nullable Object... data) {
    Table<String, Integer, String> table = HashBasedTable.create();

  }

  private fun drainCancelQueue(eventSource: EventSource) {
    if (cancel) {
      cancel = false
      eventSource.cancel()
    }
  }

  private fun nextEvent(): Any {
    return events.poll(10, TimeUnit.SECONDS)
      ?: throw AssertionError("Timed out waiting for event.")
  }

  fun assertExhausted() {
    assertThat(events).isEmpty()
  }

  fun assertEvent(
    id: String?,

        postbox.post(postcard);
        return postcard;
    }

    // ===================================================================================
    //                                                                           Meta Data
    //                                                                           =========
    @Override
    protected String getBodyFile() {
        return PATH;
    }

    @Override

          else -> Type.Unknown
        }

    override fun toString(): String {
      return if (param != null) {
        message + "\n" + param
      } else {
        message
      }
    }
  }

  private fun quietDebug(message: JsseDebugMessage) {
    if (message.message.startsWith("Ignore")) {
      return
    }

    when (message.type) {

    description: Description,
  ): Statement {
    return object : Statement() {
      override fun evaluate() {
        beforeEach(null)
        try {
          base.evaluate()
        } finally {
          afterEach(null)
        }
      }
    }
  }

  fun takeAll(): List<String> {
    val list = mutableListOf<String>()
    logs.drainTo(list)
    return list
  }

  fun take(): String {

	if token == "" {
		writeErrorResponse(w, errors.New("token parameter not given"))
		return
	}

	rsp, ok := tokens[token]
	if !ok {
		w.WriteHeader(http.StatusForbidden)
		return
	}

	fmt.Printf("Allowed for token: %s user: %s\n", token, rsp.User)

	w.WriteHeader(http.StatusOK)
	json.NewEncoder(w).Encode(rsp)
	return
}

func main() {
	http.HandleFunc("/", mainHandler)

     * @param type
     * @param requirements
     * @return the selected {@link Toolchain}s
     * @throws ToolchainManagerException if an exception occurs
     */
    @Nonnull
    List<Toolchain> getToolchains(@Nonnull Session session, String type, Map<String, String> requirements);

    /**
     *
     * @param session
     * @param type
     * @return the selected {@link Toolchain}

     * @return The version result, never {@code null}.
     * @throws VersionResolverException If the metaversion could not be resolved.
     */
    @Nonnull
    default VersionResolverResult resolve(@Nonnull Session session, @Nonnull ArtifactCoordinates artifactCoordinates)
            throws VersionResolverException {
        return resolve(VersionResolverRequest.build(session, artifactCoordinates));

    }

    private PrintStream toPsOrDef(OutputStream outputStream, PrintStream def) {
        if (outputStream == null) {
            return def;
        }
        if (outputStream instanceof PrintStream ps) {
            return ps;
        }
        return new PrintStream(outputStream);
    }

    //
    // These are the only methods we need in our primordial logger
    //

    @Override

        async def read_items(
            q: Annotated[str | None, Query(regex="^fixedquery$")] = None,
        ):
            if q:
                return f"Hello {q}"
            else:
                return "Hello World"

    client = TestClient(app)
    return client


@needs_py310
def test_query_params_str_validations_no_query():
    client = get_client()
    response = client.get("/items/")