}

	dataBlocks := len(partsMetaData) - parityBlocks

	writeQuorum := dataBlocks
	if dataBlocks == parityBlocks {
		writeQuorum++
	}

	// Since all the valid erasure code meta updated at the same time are equivalent, pass dataBlocks
	// from latestFileInfo to get the quorum
	return dataBlocks, writeQuorum, nil
}

const (
	tierFVID     = "tier-free-versionID"
	tierFVMarker = "tier-free-marker"

                             * Lmhosts, WINS, or BCAST. Otherwise a failed query from say WINS would
                             * get pulled out of the cache for a BCAST on the same name.
                             */
                            response.addrEntry[0].hostName.srcHashCode = request.addr.hashCode();
                            return response.addrEntry[0];
                        }

        if (keyLength == 16) {
            // AES-128 CCM
            cipher = new CCMBlockCipher(new AESEngine());
        } else if (keyLength == 32) {
            // AES-256 CCM - Bouncy Castle supports AES-256 with same AESEngine
            cipher = new CCMBlockCipher(new AESEngine());
        } else {
            throw new IllegalArgumentException("Unsupported key length for CCM: " + keyLength);
        }

你會看到自動產生的 API 文件，包含來自所有子模組的路徑，使用正確的路徑（與前綴）與正確的標籤：

<img src="/img/tutorial/bigger-applications/image01.png">

## 以不同的 `prefix` 多次納入同一個 router { #include-the-same-router-multiple-times-with-different-prefix }

你也可以用不同的前綴，對同一個 router 多次呼叫 `.include_router()`。

例如，這對於在不同前綴下提供相同的 API 很有用，如 `/api/v1` 與 `/api/latest`。

這是進階用法，你可能不會需要，但若有需要它就在那裡。

* rkt: Force `rkt fetch` to fetch from remote to conform the image pull policy. ([#31378](https://github.com/kubernetes/kubernetes/pull/31378), [@yifan-gu](https://github.com/yifan-gu))
* Allow services which use same port, different protocol to use the same nodePort for both ([#30253](https://github.com/kubernetes/kubernetes/pull/30253), [@AdoHe](https://github.com/AdoHe))

    // A few elements.
    a = asList(4, 8, 15, 16, 23, 42);
    b = asList(4, 8, 15, 16, 23, 42);
    assertTrue(elementsEqual(a.iterator(), b.iterator()));

    // The same, but with nulls.
    a = Arrays.<@Nullable Integer>asList(4, 8, null, 16, 23, 42);
    b = Arrays.<@Nullable Integer>asList(4, 8, null, 16, 23, 42);
    assertTrue(elementsEqual(a.iterator(), b.iterator()));

		return rCfg, err
	}
	return rCfg, nil
}

// validateReplicationDestination returns error if replication destination bucket missing or not configured
// It also returns true if replication destination is same as this server.
func validateReplicationDestination(ctx context.Context, bucket string, rCfg *replication.Config, opts *validateReplicationDestinationOptions) (bool, APIError) {
	if opts == nil {

			return madmin.ReplicateAddStatus{}, errSRInvalidRequest(fmt.Errorf("all existing replicated sites must be specified - missing %s", strings.Join(diffSlc, " ")))
		}
	}

	// validate that all clusters are using the same IDP settings.
	err = c.validateIDPSettings(ctx, sites)
	if err != nil {
		return madmin.ReplicateAddStatus{}, err
	}

	// For this `add` API, either all clusters must be empty or the local

                   Error Prone doesn't know it's building test code unless we
                   pass -XepCompilingTestOnlyCode, and that argument needs to
                   be passed as part of the same <arg> as -Xplugin:ErrorProne,
                   and I gave up trying to figure out how to do that for test
                   compilation only. -->

           * increased to look for separators beyond this point, without changing the start position
           * of the next returned substring -- so nextStart stays the same.
           */
          offset++;
          if (offset > toSplit.length()) {
            offset = -1;
          }
          continue;
        }