if v, err := base64.StdEncoding.DecodeString(ckSum); err == nil {
			fi.Checksum = v
		}
		delete(userDefined, ReplicationSsecChecksumHeader)
	}
	uniqueID := mustGetUUID()
	tempObj := uniqueID

	// Initialize erasure metadata.
	for index := range partsMetadata {
		partsMetadata[index] = fi
	}

	// Order disks according to erasure distribution

```Python
say_hi(name=None)  # This works, None is valid 🎉
```

A boa notícia é, quando você estiver no Python 3.10 você não precisará se preocupar mais com isso, pois você poderá simplesmente utilizar o `|` para definir uniões de tipos:

```Python hl_lines="1  4"
{!../../docs_src/python_types/tutorial009c_py310.py!}
```

E então você não precisará mais se preocupar com nomes como `Optional` e `Union`. 😎

#### Tipos genéricos

The important thing to keep in mind is that the `sub` key should have a unique identifier across the entire application, and it should be a string.

## Check it

Run the server and go to the docs: <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

and objects previously replicated need to be re-synced, the `mc replicate resync start` command with optional flag of `--older-than` needs to be used to trigger re-syncing of previously replicated objects. This command generates a ResetID which is a unique UUID saved to the remote target config along with the applicable date(defaults to time of initiating the reset). All objects created prior to this date are eligible for re-replication if existing object replication is enabled for the replication rule...

namespace tensorflow {
namespace gradients {
namespace {

// TODO(b/172558015): Using the pointer address as the identifier for the tensor
// may lead to collisions. Introduce another way to get a unique id for this
// tensor.
int64_t ToId(const AbstractTensorHandle* t) {
  return static_cast<int64_t>(reinterpret_cast<uintptr_t>(t));
}

absl::Status ZerosLike(AbstractContext* ctx, AbstractTensorHandle* t,

			Optional:    true,
			Type:        "number",
		},
		config.HelpKV{
			Key:         target.NATSStreamingClusterID,
			Description: "[DEPRECATED] unique ID for NATS streaming cluster",
			Optional:    true,
			Type:        "string",
		},
		config.HelpKV{
			Key:         config.Comment,
			Description: config.DefaultComment,
			Optional:    true,

				continue
			}

			// No IPs seem to intersect, this means that bucket exists but has
			// different IP addresses perhaps from a different deployment.
			// bucket names are globally unique in federation at a given
			// path prefix, name collision is not allowed. We simply log
			// an error and continue.
			bucketsInConflict.Add(bucket)
		}
	}

        SimpleProblemCollector result = validateRaw("duplicate-profile-id.xml");

        assertViolations(result, 0, 1, 0);

        assertTrue(result.getErrors().get(0).contains("non-unique-id"));
    }

    @Test
    void testBadPluginVersion() throws Exception {
        SimpleProblemCollector result = validate("bad-plugin-version.xml");

        assertViolations(result, 0, 4, 0);

    ksd-->mcsc
    nsc-->ksd
    wes-->ksd
    iwh-->ksd
    aex-->ksd
```

#### VMs

Virtual Machine support consists of two controllers.

type lockRequesterInfo struct {
	Name            string // name of the resource lock was requested for
	Writer          bool   // Bool whether write or read lock.
	UID             string // UID to uniquely identify request of client.
	Timestamp       int64  // Timestamp set at the time of initialization.
	TimeLastRefresh int64  // Timestamp for last lock refresh.