retStr := "{"
	retStr = retStr + expirationStr + ","
	retStr += conditionStr
	retStr += "}"

	return []byte(retStr)
}

// newPostPolicyBytesV4 - creates a bare bones postpolicy string with key and bucket matches.
func newPostPolicyBytesV4(credential, bucketName, objectKey string, expiration time.Time) []byte {
	t := UTCNow()
	// Add the expiration date.

    for (Future<?> result : results) {
      if (!result.isCancelled()) {
        result.get(10, SECONDS);
      }
      // TODO(cpovirk): Verify that the cancelled futures are exactly ones that we expect.
    }

    assertThat(logHandler.getStoredLogRecords()).isEmpty();
  }

  public void testAvoidsStackOverflow_manySubmitted() throws Exception {

        return results;
    }

    /**
     * Test for DELETE /api/admin/crawlinginfo/all
     * This endpoint deletes all old crawling sessions except currently running ones
     * */
    private void testDeleteAllCrawlingInfo() {
        // Read crawling info before deletion
        final List<Map<String, Object>> logListBefore = readCrawlingInfo(webConfigId);

   *         .build();
   * }
   *
   * <p>Builder instances can be reused; it is safe to call {@link #build} multiple times to build
   * multiple networks in series. Each new network contains all the elements of the ones created
   * before it.
   *
   * @since 28.0
   */
  public static class Builder<N, E> {

    private final MutableNetwork<N, E> mutableNetwork;

    Builder(NetworkBuilder<N, E> networkBuilder) {

So we are going to use that same knowledge to document how the *external API* should look like... by creating the *path operation(s)* that the external API should implement (the ones your API will call).

/// tip

When writing the code to document a callback, it might be useful to imagine that you are that *external developer*. And that you are currently implementing the *external API*, not *your API*.

     * <br/>
     * Supported filters:
     * <ul>
     *     <li>"h" or "h(num)" - highest version or top list of highest ones filter</li>
     *     <li>"l" or "l(num)" - lowest version or bottom list of lowest ones filter</li>
     *     <li>"s" - contextual snapshot filter</li>
     *     <li>"ns" - unconditional snapshot filter (no snapshots selected from ranges)</li>

            set(value) = Unit

        operator fun String.invoke(p: String, block: String.() -> Unit) = Unit

        ${""/* For Kotlin DSL, we generate sources with collection types mapped to the Kotlin ones. See `org.gradle.kotlin.dsl.internal.sharedruntime.codegen.ApiTypeProviderKt#mappedTypeStrings` */}

これらはすべて結合されて OpenAPI に含まれ、API ドキュメントに表示されます:

<img src="/img/tutorial/additional-responses/image01.png">

## 事前定義レスポンスとカスタムの組み合わせ { #combine-predefined-responses-and-custom-ones }

多くの *path operations* に適用できる事前定義のレスポンスを用意しつつ、各 *path operation* ごとに必要なカスタムレスポンスと組み合わせたい場合があります。

そのような場合、Python の `**dict_to_unpack` による `dict` の「アンパック」テクニックを使えます:

```Python
old_dict = {

    // have this Entry. The value in the map becomes false when this first entry has been copied, so
    // we know not to copy the remaining ones.
    IdentityHashMap<Entry<K, V>, Boolean> duplicates = null;
    int dupCount = 0;
    for (int entryIndex = n - 1; entryIndex >= 0; entryIndex--) {

        // spec says that we may repeat the request without modifications. Modern browsers also
        // repeat the request (even non-idempotent ones.)
        if (!chain.retryOnConnectionFailure) {
          // The application layer has directed us not to retry the request.
          return null
        }

        val requestBody = userResponse.request.body