}

// Verify if request has AWS PreSign Version '4'.
func isRequestPresignedSignatureV4(r *http.Request) bool {
	_, ok := r.Form[xhttp.AmzCredential]
	return ok
}

// Verify request has AWS PreSign Version '2'.
func isRequestPresignedSignatureV2(r *http.Request) bool {
	_, ok := r.Form[xhttp.AmzAccessKeyID]
	return ok
}

// Verify if request has AWS Post policy Signature Version '4'.

// It returns a zero-length slice for the zero [Addr],
// the 4-byte form for an IPv4 address,
// and the 16-byte form with zone appended for an IPv6 address.
func (ip Addr) MarshalBinary() ([]byte, error) {
	return ip.marshalBinaryWithTrailingBytes(0), nil
}

// UnmarshalBinary implements the [encoding.BinaryUnmarshaler] interface.
// It expects data in the form generated by MarshalBinary.

	}
	var checkObjMeta metaCheckFn
	if metadata {
		checkObjMeta = func(name string, action policy.Action) (s3Err APIErrorCode) {
			return checkRequestAuthType(ctx, r, action, bucket, name)
		}
	}
	urlValues := r.Form

	// Extract all the listBucketVersions query params to their native values.
	prefix, marker, delimiter, maxkeys, encodingType, versionIDMarker, errCode := getListBucketObjectVersionsArgs(urlValues)
	if errCode != ErrNone {

	}

	contentTypeHdr := req.Header.Get("Content-Type")
	contentTypeHdr = strings.Replace(contentTypeHdr, "multipart/form-data", "multipart/form-datA", 1)
	req.Header.Set("Content-Type", contentTypeHdr)
	req.Header.Set("User-Agent", "Mozilla")

	// Since `apiRouter` satisfies `http.Handler` it has a ServeHTTP to execute the logic of the handler.

  // fully qualified) or a short form with a single type (in which case the data
  // inputs and the output are all using this type).
  if (FunctionType type = mlir::dyn_cast<FunctionType>(types.front())) {
    result.types.assign(type.getResults().begin(), type.getResults().end());
    types.assign(type.getInputs().begin(), type.getInputs().end());
  } else {
    // In case of the short form, use the parsed type for both the operands and

			rhs = guard.Rhs[0]

		default:
			check.error(s, InvalidSyntaxTree, "incorrect form of type switch guard")
			return
		}

		// rhs must be of the form: expr.(type) and expr must be an ordinary interface
		expr, _ := rhs.(*ast.TypeAssertExpr)
		if expr == nil || expr.Type != nil {
			check.error(s, InvalidSyntaxTree, "incorrect form of type switch guard")
			return
		}
		var x operand
		check.expr(nil, &x, expr.X)

//
//   - a binary distribution (tgz or zip) for the current GOOS and GOARCH
//   - a source distribution that is independent of GOOS/GOARCH
//   - the module mod, info, and zip files for a distribution in module form
//     (as used by GOTOOLCHAIN support in the go command).
//
// Distpack is typically invoked by the -distpack flag to make.bash.
// A cross-compiled distribution for goos/goarch can be built using:
//

	var partNumber int
	var err error
	if pn := r.Form.Get(xhttp.PartNumber); pn != "" {
		partNumber, err = strconv.Atoi(pn)
		if err != nil {
			return opts, err
		}
		if isMaxPartID(partNumber) {
			return opts, errInvalidMaxParts
		}
		if partNumber <= 0 {
			return opts, errInvalidArgument
		}
	}

	vid := strings.TrimSpace(r.Form.Get(xhttp.VersionID))
	if vid != "" && vid != nullVersionID {

		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(s3Error), r.URL)
		return
	}

	uploadID := r.Form.Get(xhttp.UploadID)
	partIDString := r.Form.Get(xhttp.PartNumber)

	partID, err := strconv.Atoi(partIDString)
	if err != nil || partID <= 0 {
		writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidPart), r.URL)
		return
	}

	xhttp "github.com/minio/minio/internal/http"
	"github.com/minio/minio/internal/logger"
	"github.com/minio/minio/internal/mcontext"
)

const (
	// Maximum allowed form data field values. 64MiB is a guessed practical value
	// which is more than enough to accommodate any form data fields and headers.
	requestFormDataSize = 64 * humanize.MiByte

	// For any HTTP request, request body should be not more than 16GiB + requestFormDataSize