r: r,
				}
				n, err := xioutil.Copy(xioutil.Discard, &fbr)
				r.Close()
				if err == nil {
					response := time.Since(t)
					ttfb := time.Since(*fbr.t)
					// Only capture success criteria - do not
					// have to capture failed reads, truncated
					// reads etc.
					atomic.AddUint64(&totalBytesRead, uint64(n))
					mu.Lock()
					downloadTimes = append(downloadTimes, response)

In these cases, you would normally return an **HTTP status code** in the range of **400** (from 400 to 499).

This is similar to the 200 HTTP status codes (from 200 to 299). Those "200" status codes mean that somehow there was a "success" in the request.

The status codes in the 400 range mean that there was an error from the client.

Remember all those **"404 Not Found"** errors (and jokes)?

## Use `HTTPException`

          "interval": "1m",
          "intervalFactor": 2,
          "legendFormat": "KMS Request Success [{{server}}]",
          "refId": "A"
        }
      ],
      "title": "KMS Request Success Rate ",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },

		}
		if header.Typeflag != TypeReg {
			t.Fatalf("Typeflag should've been %d, found %d", TypeReg, header.Typeflag)
		}
	}
}

// failOnceWriter fails exactly once and then always reports success.
type failOnceWriter bool

func (w *failOnceWriter) Write(b []byte) (int, error) {
	if !*w {
		return 0, io.ErrShortWrite
	}
	*w = true
	return len(b), nil
}

// It returns the client provided key on success.
func ParseSSECustomerRequest(r *http.Request) (key []byte, err error) {
	return ParseSSECustomerHeader(r.Header)
}

// ParseSSECustomerHeader parses the SSE-C header fields and returns
// the client provided key on success.
func ParseSSECustomerHeader(header http.Header) (key []byte, err error) {

}

var _ error = ControlPlaneNotFoundError{}

type Options struct {
	// MessageWriter is a writer for displaying messages to users.
	MessageWriter io.Writer

	// XdsViaAgents accesses Istiod via the tap service of each agent.
	// This is only used in `proxy-status` command.
	XdsViaAgents bool

	// XdsViaAgentsLimit is the maximum number of pods being visited by istioctl,

	// Verify signature.
	if !compareSignatureV4(newSignature, formValues.Get(xhttp.AmzSignature)) {
		return cred, ErrSignatureDoesNotMatch
	}

	// Success.
	return cred, ErrNone
}

// doesPresignedSignatureMatch - Verify query headers with presigned signature
//   - http://docs.aws.amazon.com/AmazonS3/latest/API/sigv4-query-string-auth.html
//

{\n  background-color: #c8cbcf;\n}\n\n.table-hover .table-secondary:hover > td,\n.table-hover .table-secondary:hover > th {\n  background-color: #c8cbcf;\n}\n\n.table-success,\n.table-success > th,\n.table-success > td {\n  background-color: #c3e6cb;\n}\n\n.table-success th,\n.table-success td,\n.table-success thead th,\n.table-success tbody + tbody {\n  border-color: #8fd19e;\n}\n\n.table-hover .table-success:hover {\n  background-color: #b1dfbb;\n}\n\n.table-hover .table-success:hover > td,\n.table-hover...

	switch op {
	case arm64.ACASPD, arm64.ACASPW:
		return true
	}
	return false
}

// ARM64Suffix handles the special suffix for the ARM64.
// It returns a boolean to indicate success; failure means
// cond was unrecognized.
func ARM64Suffix(prog *obj.Prog, cond string) bool {
	if cond == "" {
		return true
	}
	bits, ok := parseARM64Suffix(cond)
	if !ok {
		return false
	}

                // this is the signature error
                throw new SMBProtocolDowngradeException("Signature error during negotiate validation", e);
            }

            // other errors are treated as success
            return;
        }
        ValidateNegotiateInfoResponse out = resp.getOutputData(ValidateNegotiateInfoResponse.class);