err = msgp.WrapError(err)
				return
			}
		}
	}
	return
}

// EncodeMsg implements msgp.Encodable
func (z *BucketMetadata) EncodeMsg(en *msgp.Writer) (err error) {
	// map header, size 25
	// write "Name"
	err = en.Append(0xde, 0x0, 0x19, 0xa4, 0x4e, 0x61, 0x6d, 0x65)
	if err != nil {
		return
	}
	err = en.WriteString(z.Name)
	if err != nil {
		err = msgp.WrapError(err, "Name")

    </magic>
  </mime-type>
  <mime-type type="application/x-axcrypt">
    <_comment>AxCrypt</_comment>
    <glob pattern="*.axx" />
    <magic priority="60">
      <!-- AxCrypt block header, skip length field, then Header of type Preamble -->
      <match value="0xc0b9072e4f93f146a015792ca1d9e821" type="string" offset="0">
         <match value="2" type="big32" offset="17" />
      </match>
    </magic>
  </mime-type>

<img src="/img/tutorial/security/image10.png">

/// note

Notice the header `Authorization`, with a value that starts with `Bearer `.

///

## Advanced usage with `scopes` { #advanced-usage-with-scopes }

OAuth2 has the notion of "scopes".

		}
		return err
	}
	if len(data) == 0 {
		// Seems to be empty create a new poolMeta object.
		return nil
	}
	if len(data) <= 4 {
		return fmt.Errorf("poolMeta: no data")
	}
	// Read header
	switch binary.LittleEndian.Uint16(data[0:2]) {
	case poolMetaFormat:
	default:
		return fmt.Errorf("poolMeta: unknown format: %d", binary.LittleEndian.Uint16(data[0:2]))
	}

/// tip

Here we are using `Query()` because this is a **query parameter**. Later we will see others like `Path()`, `Body()`, `Header()`, and `Cookie()`, that also accept the same arguments as `Query()`.

///

FastAPI will now:

* **Validate** the data making sure that the max length is 50 characters

... und **FastAPI** verwendet dieselben Deklarationen, um:

* **Anforderungen** zu definieren: aus Anfrage-Pfadparametern, Abfrageparametern, Header-Feldern, Bodys, Abhängigkeiten, usw.
* **Daten umzuwandeln**: aus der Anfrage in den erforderlichen Typ.
* **Daten zu validieren**: aus jeder Anfrage:
    * **Automatische Fehler** generieren, die an den Client zurückgegeben werden, wenn die Daten ungültig sind.

# ========================================================================================
# Framework Default
# =================
# ----------------------------------------------------------
# Lasta Taglib
# ------------
errors.header = <ul class="has-error">
errors.footer = </ul>
errors.prefix = <li><i class="fa fa-exclamation-circle"></i>
errors.suffix = </li>
# ----------------------------------------------------------
# Javax Validator

# ========================================================================================
# Framework Default
# =================
# ----------------------------------------------------------
# Lasta Taglib
# ------------
errors.header = <ul class="has-error">
errors.footer = </ul>
errors.prefix = <li><i class="fa fa-exclamation-circle"></i>
errors.suffix = </li>
# ----------------------------------------------------------
# Javax Validator

    void testWithEmptyPipeName() {
        // Test with empty string
        String pipeName = "";
        FsctlPipeWaitRequest request = new FsctlPipeWaitRequest(pipeName);

        // Verify size (14 bytes header + 0 bytes for empty name)
        assertEquals(14, request.size());

        // Test encoding
        byte[] buffer = new byte[50];
        int bytesEncoded = request.encode(buffer, 0);

        // Verify

# ========================================================================================
# Framework Default
# =================
# ----------------------------------------------------------
# Lasta Taglib
# ------------
errors.header = <ul class="has-error">
errors.footer = </ul>
errors.prefix = <li><i class="fa fa-exclamation-circle"></i>
errors.suffix = </li>
# ----------------------------------------------------------
# Javax Validator