// username in authentication request matches to identities in certificate
	// and that certificate type is correct.
	checker := ssh.CertChecker{}
	checker.IsUserAuthority = func(k ssh.PublicKey) bool {
		return subtle.ConstantTimeCompare(caPublicKey.Marshal(), k.Marshal()) == 1
	}

	_, err = checker.Authenticate(c, clientKey)
	return
}

type sftpLogger struct{}

	payloadBufferIndex int
	payloadCh          chan *bytes.Buffer

	finBytesScanned, finBytesProcessed int64

	errCh  chan []byte
	doneCh chan struct{}
}

func (writer *messageWriter) write(data []byte) bool {
	if _, err := writer.writer.Write(data); err != nil {
		return false
	}

	writer.writer.(http.Flusher).Flush()
	return true
}

func (writer *messageWriter) start() {

				grid.PutByteBuffer(buf.Bytes())
				return
			}
		}
	}()
	peers, _ := newPeerRestClients(globalEndpoints)
	err := globalHTTPListen.Subscribe(mask, localCh, ctx.Done(), func(ev event.Event) bool {
		if ev.S3.Bucket.Name != "" && bucketName != "" {
			if ev.S3.Bucket.Name != bucketName {
				return false
			}
		}
		return rulesMap.MatchSimple(ev.EventName, ev.S3.Object.Key)
	})
	if err != nil {

	// Prints documentation message.
	printObjectAPIMsg()
	if globalIsDistErasure {
		logger.Startup(color.Bold(banner))
	}
}

// Returns true if input is IPv6
func isIPv6(host string) bool {
	h, _, err := net.SplitHostPort(host)
	if err != nil {
		h = host
	}
	ip := net.ParseIP(h)
	return ip.To16() != nil && ip.To4() == nil
}

// strip api endpoints list with standard ports such as

			sfx += "_"
		}
		sfx += v
	}

	return string(name) + "_" + sfx
}

func updateResourceMetrics(subSys MetricSubsystem, name MetricName, val float64, labels map[string]string, isCumulative bool) {
	resourceMetricsMapMu.Lock()
	defer resourceMetricsMapMu.Unlock()
	subsysMetrics, found := resourceMetricsMap[subSys]
	if !found {
		subsysMetrics = ResourceMetrics{}
	}

    }

    public void bool(BoolCall<RelatedQueryCQ> boolLambda) {
        bool(boolLambda, null);
    }

    public void bool(BoolCall<RelatedQueryCQ> boolLambda, ConditionOptionCall<BoolQueryBuilder> opLambda) {
        RelatedQueryCQ mustQuery = new RelatedQueryCQ();
        RelatedQueryCQ shouldQuery = new RelatedQueryCQ();
        RelatedQueryCQ mustNotQuery = new RelatedQueryCQ();

    }

    public void bool(BoolCall<RequestHeaderCQ> boolLambda) {
        bool(boolLambda, null);
    }

    public void bool(BoolCall<RequestHeaderCQ> boolLambda, ConditionOptionCall<BoolQueryBuilder> opLambda) {
        RequestHeaderCQ mustQuery = new RequestHeaderCQ();
        RequestHeaderCQ shouldQuery = new RequestHeaderCQ();
        RequestHeaderCQ mustNotQuery = new RequestHeaderCQ();

    }

    public void bool(BoolCall<RoleTypeCQ> boolLambda) {
        bool(boolLambda, null);
    }

    public void bool(BoolCall<RoleTypeCQ> boolLambda, ConditionOptionCall<BoolQueryBuilder> opLambda) {
        RoleTypeCQ mustQuery = new RoleTypeCQ();
        RoleTypeCQ shouldQuery = new RoleTypeCQ();
        RoleTypeCQ mustNotQuery = new RoleTypeCQ();
        RoleTypeCQ filterQuery = new RoleTypeCQ();

				return nil
			},
			OutCapacity: 1,
			InCapacity:  1,
		}))
	}
	register(local)
	register(remote)

	// local to remote
	testHandler := func(t *testing.T, handler HandlerID, sendReq bool) {
		remoteConn := local.Connection(remoteHost)
		const testPayload = "Hello Grid World!"

		ctx, cancel := context.WithCancel(context.Background())
		st, err := remoteConn.NewStream(ctx, handler, []byte(testPayload))

from typing import Union

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    price: float
    is_offer: Union[bool, None] = None


@app.get("/")
def read_root():
    return {"Hello": "World"}


@app.get("/items/{item_id}")
def read_item(item_id: int, q: Union[str, None] = None):