Fields: map[string]*structpb.Value{
								"req1": {Kind: &structpb.Value_StringValue{StringValue: "%REQ_WITHOUT_QUERY(key1:val1)%"}},
								"req2": {Kind: &structpb.Value_StringValue{StringValue: "%REQ_WITHOUT_QUERY(key2:val1)%"}},
								"key1": {Kind: &structpb.Value_StringValue{StringValue: "%METADATA(CLUSTER:istio)%"}},
								"key2": {Kind: &structpb.Value_StringValue{StringValue: "%METADATA(UPSTREAM_HOST:istio)%"}},
							},
						},
					},

		keys = append(keys, k)
	}
	if len(keys) >= 2 {
		sort.Slice(keys, func(i, j int) bool {
			if keys[i].Provider == keys[j].Provider {
				return keys[i].Cluster < keys[j].Cluster
			}
			return keys[i].Provider < keys[j].Provider
		})
	}
	return keys
}

// CopyEndpoints takes a snapshot of all endpoints. As input, it takes a map of port name to number, to allow it to group

// NewMultipartUploadHandler - New multipart upload.
// Notice: The S3 client can send secret keys in headers for encryption related jobs,
// the handler should ensure to remove these keys before sending them to the object layer.
// Currently these keys are:
//   - X-Amz-Server-Side-Encryption-Customer-Key
//   - X-Amz-Copy-Source-Server-Side-Encryption-Customer-Key
func (api objectAPIHandlers) NewMultipartUploadHandler(w http.ResponseWriter, r *http.Request) {