```
dependencies {
  implementation "org.bouncycastle:bcprov-jdk15on:1.65"
}
```

 *  Upgrade: [Kotlin 1.4.10][kotlin_1_4_10]. We now use Kotlin 1.4.x [functional
    interfaces][fun_interface] for `Authenticator`, `Interceptor`, and others.
 *  Upgrade: Build with Conscrypt 2.5.1.


## Version 4.8.1

_2020-08-06_

    assertEquals("Correct string should be delivered.", EVENT, events.get(0));
  }

  /**
   * Tests that events are distributed to any subscribers to their type or any supertype, including
   * interfaces and superclasses.
   *
   * <p>Also checks delivery ordering in such cases.
   */
  public void testPolymorphicDistribution() {
    // Three catchers for related types String, Object, and Comparable<?>.

    assertEquals("Correct string should be delivered.", EVENT, events.get(0));
  }

  /**
   * Tests that events are distributed to any subscribers to their type or any supertype, including
   * interfaces and superclasses.
   *
   * <p>Also checks delivery ordering in such cases.
   */
  public void testPolymorphicDistribution() {
    // Three catchers for related types String, Object, and Comparable<?>.

// discover the API at /api, which is the root path of the legacy v1 API.
//
// +protobuf.options.(gogoproto.goproto_stringer)=false
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
message APIVersions {
  // versions are the api versions that are available.
  repeated string versions = 1;

     *            対象のインターフェース
     */
    protected void setupFieldDescsByInterface(final Class<?> interfaceClass) {
        addFieldDescs(interfaceClass);
        final Class<?>[] interfaces = interfaceClass.getInterfaces();
        for (final Class<?> intf : interfaces) {
            setupFieldDescsByInterface(intf);
        }
    }

    /**
     * クラスに定義されたフィールドを準備します。
     *
     * @param targetClass

    invalidate such permission if you have separately received it.

    d) If the work has interactive user interfaces, each must display
    Appropriate Legal Notices; however, if the Program has interactive
    interfaces that do not display Appropriate Legal Notices, your
    work need not make them do so.

  A compilation of a covered work with other separate and independent

    * `datetime` objects.
    * `UUID` objects.
    * Database models.
    * ...and many more.
* Automatic interactive API documentation, including 2 alternative user interfaces:
    * Swagger UI.
    * ReDoc.

---

Coming back to the previous code example, **FastAPI** will:

* Validate that there is an `item_id` in the path for `GET` and `PUT` requests.

      represent, as a whole, an original work of authorship. For the purposes
      of this License, Derivative Works shall not include works that remain
      separable from, or merely link (or bind by name) to the interfaces of,
      the Work and Derivative Works thereof.

      "Contribution" shall mean any work of authorship, including
      the original version of the Work and any modifications or additions

* 🏗 <a href="https://json-schema.org" class="external-link" target="_blank">🎻 🔗</a> 🔑 👆 🏷, 👆 💪 ⚙️ 👫 🙆 🙆 👆 💖 🚥 ⚫️ ⚒ 🔑 👆 🏗.
* 👈 🔗 🔜 🍕 🏗 🗄 🔗, &amp; ⚙️ 🏧 🧾 <abbr title="User Interfaces">⚜</abbr>.

## 🏧 🩺

🎻 🔗 👆 🏷 🔜 🍕 👆 🗄 🏗 🔗, &amp; 🔜 🎦 🎓 🛠️ 🩺:

<img src="/img/tutorial/body/image01.png">

&amp; 🔜 ⚙️ 🛠️ 🩺 🔘 🔠 *➡ 🛠️* 👈 💪 👫:

import java.util.Set;
import javax.annotation.CheckForNull;

/**
 * An interface for <a
 * href="https://en.wikipedia.org/wiki/Graph_(discrete_mathematics)">graph</a>-structured data,
 * whose edges have associated non-unique values.
 *
 * <p>A graph is composed of a set of nodes and a set of edges connecting pairs of nodes.
 *
 * <p>There are three primary interfaces provided to represent graphs. In order of increasing