if !storageclass.IsValid(sc) {
			writeErrorResponse(ctx, w, errorCodes.ToAPIErr(ErrInvalidStorageClass), r.URL)
			return
		}
	}

	encMetadata := map[string]string{}

	if crypto.Requested(r.Header) {
		if crypto.SSECopy.IsRequested(r.Header) {
			writeErrorResponse(ctx, w, toAPIError(ctx, errInvalidEncryptionParameters), r.URL)
			return
		}

			if typ&os.ModeSymlink == os.ModeSymlink && fi.IsDir() {
				continue
			}

			typ = fi.Mode() & os.ModeType
		}
		if err = fn(string(name), typ); err == errDoneForNow {
			// fn() requested to return by caller.
			return nil
		}
	}

	return err
}

// Return count entries at the directory dirPath and all entries
// if count is set to -1

	errKMSDefaultKeyAlreadyConfigured = errors.New("A default encryption already exists on KMS")
	// Additional MinIO errors for SSE-C requests.
	errObjectTampered = errors.New("The requested object was modified and may be compromised")
	// error returned when invalid encryption parameters are specified
	errInvalidEncryptionParameters     = errors.New("The encryption parameters are not applicable to this object")

func excludeForCompression(header http.Header, object string, cfg compress.Config) bool {
	objStr := object
	contentType := header.Get(xhttp.ContentType)
	if !cfg.Enabled {
		return true
	}

	if crypto.Requested(header) && !cfg.AllowEncrypted {
		return true
	}

	// We strictly disable compression for standard extensions/content-types (`compressed`).

	for i := range vers {
		vers[i] = xl.versions
	}

	b.Run("requested-none", func(b *testing.B) {
		b.ReportAllocs()
		b.ResetTimer()
		b.SetBytes(855) // number of versions...
		for b.Loop() {
			mergeXLV2Versions(8, false, 0, vers...)
		}
	})

	b.Run("requested-v1", func(b *testing.B) {
		b.ReportAllocs()
		b.ResetTimer()
		b.SetBytes(855) // number of versions...

	// Initially only support OpenID
	if !resolvableSubsystems.Contains(subSys) {
		return value, cs, isRedacted
	}

	// Check if config param requested is valid.
	defKVS, ok := DefaultKVS[subSys]
	if !ok {
		return value, cs, isRedacted
	}

	defValue, isFound := defKVS.Lookup(cfgParam)

	if durationParam != "" {
		var err error
		requestedDuration, err = strconv.Atoi(durationParam)
		if err != nil {
			writeSTSErrorResponse(ctx, w, ErrSTSInvalidParameterValue, fmt.Errorf("Invalid requested duration: %s", durationParam))
			return
		}
	}

	roleArnStr := r.Form.Get(stsRoleArn)
	roleArn, _, err := globalIAMSys.GetRolePolicy(roleArnStr)
	if err != nil {

   * will be truncated to [byteCount] bytes.
   *
   * It is an error to call this method after the body has been consumed.
   *
   * **Warning:** this method loads the requested bytes into memory. Most applications should set
   * a modest limit on `byteCount`, such as 1 MiB.
   */
  @Throws(IOException::class)
  fun peekBody(byteCount: Long): ResponseBody {

     * method's declaring class. This counterpart method is publicly callable.
     *
     * @param method a method whose publicly callable counterpart is requested.
     * @return the publicly callable counterpart method. Note that if the parameter
     *         method is itself declared by a public class, this method is an identity
     *         function.
     */

	From       *TableExpression  `parser:"\"FROM\" @@"`
	Where      *Expression       `parser:"( \"WHERE\" @@ )?"`
	Limit      *LitValue         `parser:"( \"LIMIT\" @@ )?"`
}

// SelectExpression represents the items requested in the select
// statement
type SelectExpression struct {
	All         bool                 `parser:"  @\"*\""`
	Expressions []*AliasedExpression `parser:"| @@ { \",\" @@ }"`
}