var _STSErrorCode_index = [...]uint16{0, 7, 22, 41, 65, 91, 118, 145, 171, 192, 219, 236, 256, 272, 288}

func (i STSErrorCode) String() string {
	if i < 0 || i >= STSErrorCode(len(_STSErrorCode_index)-1) {
		return "STSErrorCode(" + strconv.FormatInt(int64(i), 10) + ")"
	}
	return _STSErrorCode_name[_STSErrorCode_index[i]:_STSErrorCode_index[i+1]]

	} `xml:"Error"`
	RequestID string `xml:"RequestId"`
}

// STSErrorCode type of error status.
type STSErrorCode int

//go:generate stringer -type=STSErrorCode -trimprefix=Err $GOFILE

// Error codes, non exhaustive list - http://docs.aws.amazon.com/STS/latest/APIReference/API_AssumeRoleWithSAML.html
const (
	ErrSTSNone STSErrorCode = iota
	ErrSTSAccessDenied
	ErrSTSMissingParameter
	ErrSTSInvalidParameterValue

		Queries(stsAction, customTokenIdentity).
		Queries(stsVersion, stsAPIVersion)
}

func apiToSTSError(authErr APIErrorCode) (stsErrCode STSErrorCode) {
	switch authErr {
	case ErrSignatureDoesNotMatch, ErrInvalidAccessKeyID, ErrAccessKeyDisabled:
		return ErrSTSAccessDenied
	case ErrServerNotInitialized:
		return ErrSTSNotInitialized
	case ErrInternalError: