// SASLprep fails, the method returns an error.
func (x *XDGSCRAMClient) Begin(userName, password, authzID string) (err error) {
	x.Client, err = x.HashGeneratorFcn.NewClient(userName, password, authzID)
	if err != nil {
		return err
	}
	x.ClientConversation = x.Client.NewConversation()
	return nil
}

// Step takes a string provided from a server (or just an empty string for the

	stdout := &bytes.Buffer{}
	stderr := &bytes.Buffer{}
	externalCommand.Stdout = stdout
	externalCommand.Stderr = stderr

	err := externalCommand.Run()

	if err != nil || len(stderr.Bytes()) != 0 {
		return stderr.String(), err
	}

	return strings.TrimSuffix(stdout.String(), "\n"), err
}

func Execute(cmd string, args ...string) error {
	log.Debugf("Running command: %s %s", cmd, strings.Join(args, " "))

			if c.fileContents != "" {
				err := os.WriteFile(filepath.Join(c.dir, c.inFilename), []byte(c.fileContents), 0o644)
				if err != nil {
					t.Fatal(err)
				}
			}

			result, err := getDefaultCNINetwork(c.dir)
			if (c.expectedFailure && err == nil) || (!c.expectedFailure && err != nil) {
				t.Fatalf("expected failure: %t, got %v", c.expectedFailure, err)
			}

			if c.fileContents != "" {

        this.topDirectory = requireNonNull(topDirectory);
        this.rootDirectory = rootDirectory;

        this.in = in;
        this.out = out;
        this.err = err;
        this.coreExtensions = coreExtensions;
    }

    @Override
    public ParserRequest parserRequest() {
        return parserRequest;
    }

    @Override
    public Path cwd() {

			return r
		}
		return cmp.Compare(a.Hostname, b.Hostname)
	})
	out, err := json.MarshalIndent(svcs, "", "    ")
	if err != nil {
		return fmt.Errorf("failed to marshal workloads: %v", err)
	}
	if outputFormat == "yaml" {
		if out, err = yaml.JSONToYAML(out); err != nil {
			return err
		}
	}
	fmt.Fprintln(c.Stdout, string(out))
	return nil

	if err := r.validateID(); err != nil {
		return err
	}
	if err := r.validateStatus(); err != nil {
		return err
	}
	if err := r.validateFilter(); err != nil {
		return err
	}
	if err := r.DeleteMarkerReplication.Validate(); err != nil {
		return err
	}
	if err := r.DeleteReplication.Validate(); err != nil {
		return err
	}

	var cgroupData bytes.Buffer
	_, err = io.Copy(&cgroupData, cgroup)
	if err != nil {
		return nil, nil
	}

	uid, _, err := GetPodUIDAndContainerID(cgroupData)
	if err != nil {
		return nil, err
	}
	if filter != nil && !filter.Contains(uid) {
		return nil, nil
	}

	netns, err := proc.Open(netnsName)
	if err != nil {
		return nil, err
	}
	fd, err := GetFd(netns)
	if err != nil {

	rd := msgp.NewEndlessReader(buf.Bytes(), b)
	dc := msgp.NewReader(rd)
	b.Log("Size:", buf.Len(), "bytes")
	b.SetBytes(1)
	b.ReportAllocs()
	b.ResetTimer()
	for i := 0; i < b.N; i++ {
		err := v.DecodeMsg(dc)
		if err != nil {
			b.Fatal(err)
		}
	}
}

func BenchmarkDecodeDiskInfoMsgp(b *testing.B) {
	v := DiskInfo{
		Total:     1000,
		Free:      1000,
		Used:      1000,
		FSType:    "xfs",
		RootDisk:  true,

		t.Run(testcase.config, func(t *testing.T) {
			sctx := &serverCtxt{}
			err := mergeServerCtxtFromConfigFile(testcase.config, sctx)
			if testcase.expectedErr && err == nil {
				t.Error("expected failure, got success")
			}
			if !testcase.expectedErr && err != nil {
				t.Error("expected success, got failure", err)
			}
			if err == nil {
				if len(sctx.Layout.pools) != 2 {

			doneCh = nil
		case resp, ok := <-s.responses:
			if !ok {
				done = true
				return nil
			}
			if resp.Err != nil {
				s.cancel(resp.Err)
				return resp.Err
			}
			err = next(resp.Msg)
			if err != nil {
				s.cancel(err)
				return err
			}
		}
	}
}

// Done will return a channel that will be closed when the stream is done.
// This mirrors context.Done().