for i := 0; i < responses; i++ {
					toSend := GetByteBuffer()[:0]
					toSend = append(toSend, byte(i))
					toSend = append(toSend, payload...)
					select {
					case <-ctx.Done():
						return nil
					case out <- toSend:
					}
				}
				return nil
			},

			Subroute:    "some-subroute",

				}
			}
			var err error
			toSend, err = pingFrame.MarshalMsg(GetByteBuffer()[:0])
			if err != nil {
				gridLogIf(ctx, err)
				// Fake it...
				atomic.StoreInt64(&c.LastPong, time.Now().UnixNano())
				continue
			}
		case toSend = <-c.outQueue:
			if len(toSend) == 0 {
				continue
			}
		}
		if len(queue) < maxMergeMessages && queueSize+len(toSend) < writeBufferSize-1024 && len(c.outQueue) > 0 {

			BootstrapToken: bootstraptokenv1.BootstrapToken{
				Token:       &bootstraptokenv1.BootstrapTokenString{ID: token.Token.ID, Secret: token.Token.Secret},
				Description: token.Description,
				TTL:         token.TTL,
				Expires:     token.Expires,
				Usages:      token.Usages,
				Groups:      token.Groups,
			},
		}

		if err := printer.PrintObj(&outputToken, out); err != nil {

    }

    private boolean isFoundInDirectory(File startDir, byte[] toFind) {
        try (Stream<Path> tree = Files.walk(startDir.toPath(), FileVisitOption.FOLLOW_LINKS)) {
            return tree.filter { it.toFile().file }
                .anyMatch {
                    isSubArray(Files.readAllBytes(it), toFind)
                }
        }
    }

    {!> ../../../docs_src/security/tutorial004.py!}
    ```

## Update the dependencies

Update `get_current_user` to receive the same token as before, but this time, using JWT tokens.

Decode the received token, verify it, and return the current user.

If the token is invalid, return an HTTP error right away.

=== "Python 3.10+"

    ```Python hl_lines="90-107"

	tokens, err := e.listTokenSecrets(serviceAccount)
	if err != nil {
		// don't retry on cache lookup errors
		return false, err
	}
	retry := false
	errs := []error{}
	for _, token := range tokens {
		r, err := e.deleteToken(token.Namespace, token.Name, token.UID)
		if err != nil {
			errs = append(errs, err)
		}
		if r {
			retry = true
		}

	}

	for _, override := range s.EtcdServersOverrides {
		tokens := strings.Split(override, "#")
		if len(tokens) != 2 {
			allErrors = append(allErrors, fmt.Errorf("--etcd-servers-overrides invalid, must be of format: group/resource#servers, where servers are URLs, semicolon separated"))
			continue
		}

		apiresource := strings.Split(tokens[0], "/")
		if len(apiresource) != 2 {

		if err != nil {
			log.Warnf("Starting with invalid K8S JWT token: %v", err)
		} else {
			if iss == "" {
				iss = tok.Iss
			}
			if len(tok.Aud) > 0 && len(aud) == 0 {
				aud = tok.Aud[0]
			}
		}
	}

	// TODO: if not set, parse Istiod's own token (if present) and get the issuer. The same issuer is used

		errs = append(errs, errors.Wrap(err, "error uploading crisocket"))
	}

	// Create RBAC rules that makes the bootstrap tokens able to get nodes
	if err := nodebootstraptoken.AllowBoostrapTokensToGetNodes(client); err != nil {
		errs = append(errs, err)
	}

	// Create/update RBAC rules that makes the bootstrap tokens able to post CSRs
	if err := nodebootstraptoken.AllowBootstrapTokensToPostCSRs(client); err != nil {
		errs = append(errs, err)

        LinkedHashMap<String, Object> tokens = toTokens(options)
        M2CompatibleIvyPatternHelper.substitute(pattern, m2Compatible, tokens)
    }

    private LinkedHashMap<String, String> toTokens(Map<String, ?> options) {
        def artifact = toArtifact(options)