public void write(int b) throws IOException {
    hasher.putByte((byte) b);
    out.write(b);
  }

  @Override
  public void write(byte[] bytes, int off, int len) throws IOException {
    hasher.putBytes(bytes, off, len);
    out.write(bytes, off, len);
  }

  /**
   * Returns the {@link HashCode} based on the data written to this stream. The result is

		t.Fatalf("should be false")
	}
	if v != "" {
		t.Fatalf("should be nil")
	}

	if lc.Len() != 0 {
		t.Fatalf("length differs from expected")
	}
	if !reflect.DeepEqual(evicted, []string{"key1", "val1"}) {
		t.Fatalf("value differs from expected")
	}

	// add new entry
	lc.Add("key2", "val2")
	if lc.Len() != 1 {
		t.Fatalf("length differs from expected")
	}

	k, v, ok = lc.GetOldest()

func (w *LimitWriter) Write(p []byte) (n int, err error) {
	n = len(p)
	var n1 int
	if w.skipBytes > 0 {
		if w.skipBytes >= int64(len(p)) {
			w.skipBytes -= int64(len(p))
			return n, nil
		}
		p = p[w.skipBytes:]
		w.skipBytes = 0
	}
	if w.wLimit == 0 {
		return n, nil
	}
	if w.wLimit < int64(len(p)) {
		n1, err = w.Writer.Write(p[:w.wLimit])
		w.wLimit -= int64(n1)

	s = 1 + 5 + msgp.StringPrefixSize + len(string(z.Type)) + 7 + msgp.StringPrefixSize + len(z.Bucket) + 7 + msgp.StringPrefixSize + len(z.Prefix) + 9 + msgp.StringPrefixSize + len(z.Endpoint) + 5 + msgp.StringPrefixSize + len(z.Path) + 6 + 1 + 10 + msgp.StringPrefixSize + len(z.Creds.AccessKey) + 10 + msgp.StringPrefixSize + len(z.Creds.SecretKey) + 13 + msgp.StringPrefixSize + len(z.Creds.SessionToken)
	return
}

	// Any value must end with a newline.
	// Not all clients send that.
	trailerRaw := valueBuffer.Bytes()
	if len(trailerRaw) > 0 && trailerRaw[len(trailerRaw)-1] != '\n' {
		valueBuffer.Write([]byte{'\n'})
	}
	sig = sig[len("x-amz-trailer-signature:"):]
	sig = bytes.TrimSpace(sig)
	cr.chunkSHA256Writer.Write(valueBuffer.Bytes())
	wantSig := cr.getTrailerChunkSignature()

			eb.uint64(h.offset)
			h.Extra = append(h.Extra, buf[:]...)
		} else {
			b.uint32(h.CompressedSize)
			b.uint32(h.UncompressedSize)
		}

		b.uint16(uint16(len(h.Name)))
		b.uint16(uint16(len(h.Extra)))
		b.uint16(uint16(len(h.Comment)))
		b = b[4:] // skip disk number start and internal file attr (2x uint16)
		b.uint32(h.ExternalAttrs)
		if h.offset > uint32max {
			b.uint32(uint32max)
		} else {

				case "FileHeaderInfo":
					s = strings.ToLower(s)
					if len(s) != 0 {
						if s != none && s != use && s != ignore {
							return errors.New("unsupported FileHeaderInfo")
						}
						args.FileHeaderInfo = s
					}

				case "RecordDelimiter":
					if len(s) != 0 {
						args.RecordDelimiter = s
					}
				case "FieldDelimiter":
					if len(s) != 0 {
						args.FieldDelimiter = s
					}

			return info, err
		}
		info.Metrics = m
	}

	// maximum buckets users etc seen across sites
	info.MaxBuckets = len(bucketStats)
	info.MaxUsers = len(userInfoStats)
	info.MaxGroups = len(groupDescStats)
	info.MaxPolicies = len(policyStats)
	info.MaxILMExpiryRules = len(ilmExpiryRuleStats)
	return info, err
}

// isReplicated returns true if count of replicated matches the number of

		}
		w.buffer[offset] = make([]byte, len(b))
		copy(w.buffer[offset], b)
		n = len(b)
	}

again:
	nextOut, ok := w.buffer[w.nextOffset]
	if ok {
		n, err = w.w.Write(nextOut)
		delete(w.buffer, w.nextOffset)
		w.nextOffset += int64(n)
		if n != len(nextOut) {
			return 0, fmt.Errorf("expected write size %d but wrote %d bytes", len(nextOut), n)
		}
		if err != nil {
			return 0, err

# Without aliases


@app.post("/optional-bytes", operation_id="optional_bytes")
async def read_optional_bytes(p: Annotated[Optional[bytes], File()] = None):
    return {"file_size": len(p) if p else None}


@app.post("/optional-uploadfile", operation_id="optional_uploadfile")
async def read_optional_uploadfile(p: Annotated[Optional[UploadFile], File()] = None):
    return {"file_size": p.size if p else None}