WriteThroughput: r.WriteThroughput,
					Error: func() string {
						if r.Error != nil {
							return r.Error.Error()
						}
						return ""
					}(),
				}
				results = append(results, result)
			}
			for _, inp := range ignoredPaths {
				results = append(results, madmin.DrivePerf{
					Path:  inp,
					Error: errFaultyDisk.Error(),
				})
			}
			return results
		}(),

   * (That would also have ensured that its cause was always an Error, rather than possibly another
   * kind of Throwable that was later passed to initCause. Then we could have declared the override
   * `public final Error getCause()`.)
   */

  /**
   * Creates a new instance with {@code null} as its detail message and no cause.
   *
   * @deprecated Prefer {@linkplain ExecutionError(Error)} a constructor that accepts a cause: Users

pkg net/http/httptrace, type WroteRequestInfo struct, Err error
pkg net/url, type URL struct, ForceQuery bool
pkg os/exec, func CommandContext(context.Context, string, ...string) *Cmd
pkg os/user, func LookupGroup(string) (*Group, error)
pkg os/user, func LookupGroupId(string) (*Group, error)
pkg os/user, method (*User) GroupIds() ([]string, error)
pkg os/user, method (UnknownGroupError) Error() string

	historyFile := pathJoin(minioConfigHistoryPrefix, uuidKV+kvPrefix)
	data, err := readConfig(ctx, objAPI, historyFile)
	if err != nil {
		return nil, err
	}

	return decryptData(data, historyFile)
}

func saveServerConfigHistory(ctx context.Context, objAPI ObjectLayer, kv []byte) error {
	uuidKV := mustGetUUID() + kvPrefix

		Birthday: Now(),
		Active:   true,
	}}

	if err := DB.Create(&users).Error; err != nil {
		t.Errorf("errors happened when create: %v", err)
	}

	var name string
	var total int
	if err := DB.Model(&User{}).Select("name, sum(age)").Where("name = ?", "groupby").Group("name").Row().Scan(&name, &total); err != nil {
		t.Errorf("no error should happen, but got %v", err)
	}

	if name != "groupby" || total != 60 {

		t.Fatal("Unexpected error", err)
	}

	if err = mkdirAll(pathJoin(path, "success-vol", "success-object"), 0o777, ""); err != nil {
		t.Fatal("Unexpected error", err)
	}
}

// Tests - renameAll()
func TestOSRenameAll(t *testing.T) {
	// create xlStorage test setup
	_, path, err := newXLStorageTestSetup(t)
	if err != nil {

To signify the end of the stream, close the ring buffer from the writer side with `rb.CloseWriter()`

Either side can use `rb.CloseWithError(err error)` to signal an error and close the ring buffer. 
Any reads or writes will return the error on next call.

                            "content": {"application/json": {"schema": {}}},
                        },
                        "422": {
                            "description": "Validation Error",
                            "content": {
                                "application/json": {
                                    "schema": {

			if testCase.expectedError.Error() != actualErr.Error() {
				t.Errorf("Test %d: %s: Expected to fail with error \"%s\", but instead failed with error \"%s\" instead.", i+1,
					instanceType, testCase.expectedError.Error(), actualErr.Error())
			}
		}
		// Test passes as expected, but the output values are verified for correctness here.
		if actualErr == nil && testCase.shouldPass {
			// Asserting whether the md5 output is correct.

	message    string
	statusCode int
	cause      error
}

func (err *s3Error) Cause() error {
	return err.cause
}

func (err *s3Error) ErrorCode() string {
	return err.code
}

func (err *s3Error) ErrorMessage() string {
	return err.message
}

func (err *s3Error) HTTPStatusCode() int {
	return err.statusCode
}

func (err *s3Error) Error() string {
	return err.message
}