* computation is {@linkplain java.util.concurrent.Future#isDone() complete} or, if the
   * computation is already complete, immediately.
   *
   * <p>The callback is run on {@code executor}. There is no guaranteed ordering of execution of
   * callbacks, but any callback added through this method is guaranteed to be called once the
   * computation is complete.
   *
   * <p>Example:
   *
   * {@snippet :

// writeQuorum is the min required disks to write data.
func objectQuorumFromMeta(ctx context.Context, partsMetaData []FileInfo, errs []error, defaultParityCount int) (objectReadQuorum, objectWriteQuorum int, err error) {
	// There should be at least half correct entries, if not return failure
	expectedRQuorum := len(partsMetaData) / 2
	if defaultParityCount == 0 {
		// if parity count is '0', we expected all entries to be present.

        }
      }
    }

    return transitiveClosure.build();
  }

  /**
   * Returns the set of nodes that are reachable from {@code node}. Specifically, it returns all
   * nodes {@code v} such that there exists a path (a sequence of adjacent outgoing edges) starting
   * at {@code node} and ending at {@code v}. This implementation includes {@code node} as the first
   * element in the result.
   *

        }
      }
    }

    return transitiveClosure.build();
  }

  /**
   * Returns the set of nodes that are reachable from {@code node}. Specifically, it returns all
   * nodes {@code v} such that there exists a path (a sequence of adjacent outgoing edges) starting
   * at {@code node} and ending at {@code v}. This implementation includes {@code node} as the first
   * element in the result.
   *

)

// Returns the latest updated FileInfo files and error in case of failure.
func getLatestFileInfo(ctx context.Context, partsMetadata []FileInfo, defaultParityCount int, errs []error) (FileInfo, error) {
	// There should be at least half correct entries, if not return failure
	expectedRQuorum := len(partsMetadata) / 2
	if defaultParityCount == 0 {
		// if parity count is '0', we expected all entries to be present.

ここで、`/unicorns/yolo`をリクエストすると、*path operation*は`UnicornException`を`raise`します。

しかし、これは`unicorn_exception_handler`で処理されます。

そのため、HTTPステータスコードが`418`で、JSONの内容が以下のような明確なエラーを受け取ることになります:

```JSON
{"message": "Oops! yolo did something. There goes a rainbow..."}
```

/// note | 技術詳細

また、`from starlette.requests import Request`と`from starlette.responses import JSONResponse`を使用することもできます。

		{"f*le", true},
		{"contains-^-caret", true},
		{"contains-|-pipe", true},
		{"contains-`-tick", true},
		{"..test", true},
		{".. test", true},
		{". test", true},
		{".test", true},
		{"There are far too many object names, and far too few bucket names!", true},
		{"!\"#$%&'()*+,-.／:;<=>?@[\\]^_`{|}~/!\"#$%&'()*+,-.／:;<=>?@[\\]^_`{|}~)", true},
		{"!\"#$%&'()*+,-.／:;<=>?@[\\]^_`{|}~", true},

        return i;
      }
    }
    return -1;
  }

  /**
   * Returns the start position of the first occurrence of the specified {@code target} within
   * {@code array}, or {@code -1} if there is no such occurrence.
   *
   * <p>More formally, returns the lowest index {@code i} such that {@code Arrays.copyOfRange(array,
   * i, i + target.length)} contains exactly the same elements as {@code target}.
   *

- Kubeadm: Fixed a bug where the PublicKeysECDSA feature gate was not respected when generating kubeconfig files....

        return i;
      }
    }
    return -1;
  }

  /**
   * Returns the start position of the first occurrence of the specified {@code target} within
   * {@code array}, or {@code -1} if there is no such occurrence.
   *
   * <p>More formally, returns the lowest index {@code i} such that {@code Arrays.copyOfRange(array,
   * i, i + target.length)} contains exactly the same elements as {@code target}.
   *