// that is not io.EOF.
func diskHealthCheckOK(ctx context.Context, err error) bool {
	// Check if context has a disk health check.
	tracker, ok := ctx.Value(healthDiskCtxKey{}).(*healthDiskCtxValue)
	if !ok {
		// No tracker, return
		return err == nil || errors.Is(err, io.EOF)
	}
	if err == nil || errors.Is(err, io.EOF) {
		tracker.logSuccess()
		return true
	}

	return ies.saveIAMConfig(ctx, gi, getGroupInfoPath(name))
}

func (ies *IAMEtcdStore) deletePolicyDoc(ctx context.Context, name string) error {
	err := ies.deleteIAMConfig(ctx, getPolicyDocPath(name))
	if err == errConfigNotFound {
		err = errNoSuchPolicy
	}
	return err
}

func (ies *IAMEtcdStore) deleteMappedPolicy(ctx context.Context, name string, userType IAMUserType, isGroup bool) error {

	}

	return extract(strings.ToUpper(e.Timeword), t)
}

func errUnsupportedCast(fromType, toType string) error {
	return fmt.Errorf("Cannot cast from %v to %v", fromType, toType)
}

func errCastFailure(msg string) error {
	return fmt.Errorf("Error casting: %s", msg)
}

// Allowed cast types
const (
	castBool      = "BOOL"
	castInt       = "INT"
	castInteger   = "INTEGER"

        dep -->> handler: Raise HTTPException
        handler -->> client: HTTP error response
        dep -->> dep: Raise other exception
    end
    dep ->> operation: Run dependency, e.g. DB session
    opt raise
        operation -->> dep: Raise HTTPException
        dep -->> handler: Auto forward exception
        handler -->> client: HTTP error response
        operation -->> dep: Raise other exception

  integrity sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw==

http-errors@2.0.0:
  version "2.0.0"
  resolved "https://registry.yarnpkg.com/http-errors/-/http-errors-2.0.0.tgz#b7774a1486ef73cf7667ac9ae0858c012c57b9d3"
  integrity sha512-FtwrG/euBzaEjYeRqOgly7G0qviiXoJWnvEH2Z1plBdXgbyjv34pHTSb9zoeHMyDy33+DWy5Wt9Wo+TURtOYSQ==
  dependencies:

		if err == nil && !yes {
			err = ErrTargetsOffline
		}
		if err != nil {
			return fmt.Errorf("error (%s): %w", target.ID(), err)
		}
	}

	return nil
}

func fetchSubSysTargets(ctx context.Context, cfg config.Config, subSys string, transport *http.Transport) (targets []event.Target, err error) {
	if err := checkValidLambdaKeysForSubSys(subSys, cfg[subSys]); err != nil {
		return nil, err
	}

	}
}

// ErrNotImplemented when a functionality is not implemented
var ErrNotImplemented = errors.New("not implemented")

// ReadFrom implements support for calling internal io.ReaderFrom implementations
// returns an error if the underlying ResponseWriter does not implement io.ReaderFrom
func (lrw *ResponseRecorder) ReadFrom(r io.Reader) (int64, error) {
	if lrw.ReaderFrom != nil {
		n, err := lrw.ReaderFrom.ReadFrom(r)

            ]
          },
          "unit": "none"
        },
        "overrides": [
          {
            "matcher": {
              "id": "byName",
              "options": "S3 Errors"
            },
            "properties": [
              {
                "id": "color",
                "value": {
                  "fixedColor": "light-red",
                  "mode": "fixed"

          "interval": "",
          "legendFormat": "[{{drive}}]",
          "refId": "B"
        }
      ],
      "title": "Drive Errors",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "",
      "fieldConfig": {

	if err == nil {
		t.Fatal("Expected a non nil error, but nil error returned for invalid profiler.")
	}
}

// checkURL - checks if passed address correspond
func checkURL(urlStr string) (*url.URL, error) {
	if urlStr == "" {
		return nil, errors.New("Address cannot be empty")
	}
	u, err := url.Parse(urlStr)
	if err != nil {
		return nil, fmt.Errorf("`%s` invalid: %s", urlStr, err.Error())
	}
	return u, nil
}