// this option is set when active-active replication is in place between site A -> B,
	// and site B does not have the object yet.
	if opts.ProxyRequest || (opts.ProxyHeaderSet && !opts.ProxyRequest) { // true only when site B sets MinIOSourceProxyRequest header
		return nil, oi, proxy
	}
	var perr error

	return nil
}

// IAMChangeHook - called when IAM items need to be replicated to peer clusters.
// This includes named policy creation, policy mapping changes and service
// account changes.
//
// All policies are replicated.
//
// Policy mappings are only replicated when they are for LDAP users or groups
// (as an external IDP is always assumed when SR is used). In the case of

	// 1. Initiate 2 uploads for the same object
	// 2. Upload 2 parts for the second upload
	// 3. Abort the second upload.
	// 4. Abort the first upload.
	// This will test abort upload when there are more than one upload IDs
	// and the case where there is only one upload ID.

	// construct HTTP request to initiate a NewMultipart upload.

		return nil, err
	}
	core.SetAppInfo("minio-federated", ReleaseTag)
	return core, nil
}

// Check if the destination bucket is on a remote site, this code only gets executed
// when federation is enabled, ie when globalDNSConfig is non 'nil'.
//
// This function is similar to isRemoteCallRequired but specifically for COPY object API
// if destination and source are same we do not need to check for destination bucket

			b.WriteRune(v)
			continue
		}
		// v is capital letter here
		// disregard first letter
		// add underscore if last letter is capital letter
		// add underscore when previous letter is lowercase
		// add underscore when next letter is lowercase
		if (i != 0 || i == l-1) && ((i > 0 && rune(camel[i-1]) >= 'a') ||
			(i < l-1 && rune(camel[i+1]) >= 'a')) {
			b.WriteRune('_')
		}

			expectedAPIError: -1,
		},
		// Case where part number is invalid.
		1: {
			objectName: testObject,
			content:    "hello",
			partNumber: "9999999999999999999",
			fault:      None,
			accessKey:  credentials.AccessKey,
			secretKey:  credentials.SecretKey,

			expectedAPIError: ErrInvalidPart,
		},
		// Case where the part number has exceeded the max allowed parts in an upload.

	if err != nil {
		writeErrorResponseJSON(ctx, w, errorCodes.ToAPIErr(ErrInvalidRequest), r.URL)
		return
	}
	setEventStreamHeaders(w)

	// Trace Publisher and peer-trace-client uses nonblocking send and hence does not wait for slow receivers.
	// Keep 100k buffered channel.
	// If receiver cannot keep up with that we drop events.
	traceCh := make(chan []byte, 100000)
	peers, _ := newPeerRestClients(globalEndpoints)