if err != nil {
						return err
					}
					buf := bytes.NewBuffer(nil)
					if _, err = msgp.CopyToJSON(buf, bytes.NewReader(b)); err != nil {
						return err
					}

					dec := json.NewDecoder(buf)
					// Use number to preserve integers.
					dec.UseNumber()
					var htr map[string]any
					if err = dec.Decode(&htr); err != nil {
						return err
					}
					ht[file.Name] = htr
				}
			}

<img width="85%" src="https://bradley.codes/static/img/jstream-levels.gif" alt="jstream"/>

we can choose to extract and act only the objects within the top-level array:
```go
f, _ := os.Open("input.json")
decoder := jstream.NewDecoder(f, 1) // extract JSON values at a depth level of 1
for mv := range decoder.Stream() {
  fmt.Printf("%v\n ", mv.Value)
}
```

output:
```
map[desc:RGB colors:[red green blue]]

	type opaResult struct {
		Result bool `json:"result"`
	}

	respBody := bytes.NewReader(opaRespBytes)

	var result opaResult
	if err = json.NewDecoder(respBody).Decode(&result); err != nil {
		respBody.Seek(0, 0)
		var resultAllow opaResultAllow
		if err = json.NewDecoder(respBody).Decode(&resultAllow); err != nil {
			return false, err
		}
		return resultAllow.Result.Allow, nil
	}

	return result.Result, nil

	}
	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")

	resp, err := k.client.Do(req)
	if err != nil {
		return err
	}
	defer resp.Body.Close()

	var accessToken Token
	if err = json.NewDecoder(resp.Body).Decode(&accessToken); err != nil {
		return err
	}

	k.Lock()
	k.accessToken = accessToken
	k.Unlock()
	return nil
}

// LookupUser lookup user by their userid.

	respBody, err := client.callWithContext(ctx, peerRESTMethodDownloadProfilingData, nil, nil, -1)
	if err != nil {
		return data, err
	}
	defer xhttp.DrainBody(respBody)
	err = gob.NewDecoder(respBody).Decode(&data)
	return data, err
}

// GetBucketStats - load bucket statistics
func (client *peerRESTClient) GetBucketStats(ctx context.Context, bucket string) (BucketStats, error) {

	type opaResult struct {
		Result bool `json:"result"`
	}

	respBody := bytes.NewReader(opaRespBytes)

	var result opaResult
	if err = json.NewDecoder(respBody).Decode(&result); err != nil {
		respBody.Seek(0, 0)
		var resultAllow opaResultAllow
		if err = json.NewDecoder(respBody).Decode(&resultAllow); err != nil {
			return false, err
		}
		return resultAllow.Result.Allow, nil
	}

	return result.Result, nil

	if err != nil {
		return nil, err
	}
	defer resp.Body.Close()
	if resp.StatusCode != http.StatusOK {
		return nil, fmt.Errorf("%s", resp.Status)
	}

	var idpToken JWTToken
	if err = json.NewDecoder(resp.Body).Decode(&idpToken); err != nil {
		return nil, err
	}

	return &credentials.ClientGrantsToken{Token: idpToken.AccessToken, Expiry: idpToken.Expiry}, nil
}

func main() {
	flag.Parse()

)

type publicKeys struct {
	*sync.RWMutex

	// map of kid to public key
	pkMap map[string]any
}

func (pk *publicKeys) parseAndAdd(b io.Reader) error {
	var jwk JWKS
	err := json.NewDecoder(b).Decode(&jwk)
	if err != nil {
		return err
	}

	for _, key := range jwk.Keys {
		pkey, err := key.DecodePublicKey()
		if err != nil {
			return err
		}
		pk.add(key.Kid, pkey)
	}

	"os"
	"path/filepath"
	"reflect"
	"testing"

	"github.com/alecthomas/participle"
	"github.com/minio/minio/internal/s3select/jstream"
)

func getJSONStructs(b []byte) ([]any, error) {
	dec := jstream.NewDecoder(bytes.NewBuffer(b), 0).ObjectAsKVS().MaxDepth(100)
	var result []any
	for parsedVal := range dec.Stream() {
		result = append(result, parsedVal.Value)
	}
	if err := dec.Err(); err != nil {
		return nil, err
	}

	o.serviceMetrics.accumRequestRTT(reqStartTime, float64(reqDurNanos)/1e6, true)

	switch resp.StatusCode {
	case 200:
		var result AuthNSuccessResponse
		if err = json.NewDecoder(resp.Body).Decode(&result); err != nil {
			return AuthNResponse{}, err
		}

		if result.MaxValiditySeconds < minValidityDurationSeconds || result.MaxValiditySeconds > maxValidityDurationSeconds {