## Quick Start

`Optional[str]` の`Optional` はFastAPIでは使用されていません（FastAPIは`str`の部分のみ使用します）。しかし、`Optional[str]` はエディタがコードのエラーを見つけるのを助けてくれます。

///

## Pydanticを使わない方法

   * other {@code ClassValue} entries for the exception type to be tested. This lets us evaluate
   * whether our solution scales to use with multiple exception types and to whether it is affected
   * by other {@code ClassValue} users. Some of the benchmarked implementations don't use one or
   * both of these mechanisms, so they will be unaffected.
   */

                testPlugin = plugin;
            }

            Integer count = validPluginCounts.get(pluginArtifactId);

            assertEquals(0, (int) count, "Multiple copies of plugin: " + pluginArtifactId + " found in POM.");

            count = count + 1;

            validPluginCounts.put(pluginArtifactId, count);
        }

        assertNotNull(testPlugin);

    static final int MULTIPLIER = 1682554634;
    static final int SHIFT = Integer.numberOfLeadingZeros(TABLE.length() - 1);

    static final CharMatcher INSTANCE = new Whitespace();

    Whitespace() {
      super("CharMatcher.whitespace()");
    }

    @Override
    public boolean matches(char c) {
      return TABLE.charAt((MULTIPLIER * c) >>> SHIFT) == c;
    }

						key="labels.index_lang"
					/></label>
				<div class="col-lg-5 col-md-8 col-sm-7 col-6">
					<la:select property="lang" styleId="langSearchOption" multiple="true" styleClass="form-control">
						<c:forEach var="item" items="${langItems}">
							<la:option value="${f:u(item.value)}">${f:h(item.label)}</la:option>
						</c:forEach>
					</la:select>
				</div>

     * Adds a new header with the name and value. This may be used to add multiple headers with the
     * same name.
     */
    public fun addHeader(
      name: String,
      value: Any,
    ): Builder =
      apply {
        headers_.add(name, value.toString())
      }

    /**
     * Adds a new header with the name and value. This may be used to add multiple headers with the

     * Search logs from these bots will be automatically removed.
     */
    @Size(max = 10000)
    public String purgeByBots;

    /**
     * Email addresses to receive system notifications.
     * Multiple addresses can be specified, separated by commas.
     */
    @Size(max = 1000)
    public String notificationTo;

    /**
     * Enable or disable search suggestions based on search logs.

  private val tasksExecutor = Executors.newCachedThreadPool(threadFactory("TaskFaker"))

  /**
   * True if this task faker has ever had multiple tasks scheduled to run concurrently. Guarded by
   * `this`.
   */
  var isParallel = false

  /** Number of calls to [TaskRunner.Backend.execute]. Guarded by `this`. */
  var executeCallCount = 0

    assertThat(a.dispatcher).isNotNull()
    assertThat(a.connectionPool).isNotNull()
    assertThat(a.sslSocketFactory).isNotNull()
    assertThat(a.x509TrustManager).isNotNull()

    // Multiple clients share the instances.
    val b = client.newBuilder().build()
    assertThat(b.dispatcher).isSameAs(a.dispatcher)
    assertThat(b.connectionPool).isSameAs(a.connectionPool)