* @param actual The type that the formal type variable(s) are mapped to. It can be or contain yet
   *     other type variables, in which case these type variables will be further resolved if
   *     corresponding mappings exist in the current {@code TypeResolver} instance.
   */
  public TypeResolver where(Type formal, Type actual) {
    Map<TypeVariableKey, Type> mappings = new HashMap<>();

		}
	}
	if opts.ReplicationRequest && opts.DeleteMarker && defPool.Index >= 0 {
		// If the request is a delete marker replication request, return a default pool
		// in cases where the object does not exist.
		// This is to ensure that the delete marker is replicated to the destination.
		return defPool, noReadQuorumPools, nil
	}
	return PoolObjInfo{}, noReadQuorumPools, toObjectErr(errFileNotFound, bucket, object)
}

      // unpark even though the thread has already removed itself from the list. But even if we did
      // use a CAS, that race would still exist (it would just be ever so slightly smaller).
      Thread w = thread;
      if (w != null) {
        thread = null;
        LockSupport.unpark(w);
      }
    }
  }

  /*

            assertTrue("process method should be public", Modifier.isPublic(processMethod.getModifiers()));
        } catch (NoSuchMethodException e) {
            fail("process method should exist");
        }
    }

    // Test constructor
    public void test_constructor() {
        CorsHandler handler = new CorsHandler() {
            @Override

            releaseWagon(protocol, wagon);
        }

        if (downloaded) {
            if (!temp.exists()) {
                throw new ResourceDoesNotExistException("Downloaded file does not exist: " + temp);
            }

            // The temporary file is named destination + ".tmp" and is done this way to ensure
            // that the temporary file is in the same file system as the destination because the

    return Iterators.all(iterable.iterator(), predicate);
  }

  /**
   * Returns the first element in {@code iterable} that satisfies the given predicate; use this
   * method only when such an element is known to exist. If it is possible that <i>no</i> element
   * will match, use {@link #tryFind} or {@link #find(Iterable, Predicate, Object)} instead.
   *

    /**
     * Imports crawling information and parameters from a CSV file.
     * The CSV format expected is: SessionId, SessionCreatedTime, Key, Value, CreatedTime.
     * Creates new crawling sessions if they don't exist and adds parameters to them.
     *
     * @param reader the Reader containing CSV data to import
     */
    public void importCsv(final Reader reader) {
        @SuppressWarnings("resource")

         * However, we don't expose currentFuture to users, so they can't attach listeners. And the
         * Future might not even be a ListenableFuture, just a plain Future. That said, similar
         * problems can exist with methods like FutureTask.done(), not to mention slow calls to
         * Thread.interrupt() (as discussed in InterruptibleTask). At the end of the day, it's

      }
      ImmutableSet<Object> valueSet = valuesBuilder.build();
      if (valueSet.size() != valueCount) {
        throw new InvalidObjectException("Duplicate key-value pairs exist for key " + key);
      }
      builder.put(key, valueSet);
      tmpSize += valueCount;
    }

    ImmutableMap<Object, ImmutableSet<Object>> tmpMap;
    try {
      tmpMap = builder.buildOrThrow();

次の章では、FastAPIアプリケーションをデプロイするための**具体的なレシピ**を紹介します。

しかし、今はこれらの重要な**コンセプトに基づくアイデア**を確認しましょう。これらのコンセプトは、他のどのタイプのWeb APIにも当てはまります。💡

## セキュリティ - HTTPS

<!-- NOTE: https.md written in Japanese does not exist, so it redirects to English one  -->
[前チャプターのHTTPSについて](https.md){.internal-link target=_blank}では、HTTPSがどのようにAPIを暗号化するのかについて学びました。

通常、アプリケーションサーバにとって**外部の**コンポーネントである**TLS Termination Proxy**によって提供されることが一般的です。このプロキシは通信の暗号化を担当します。