Queries("replication", "")
		// GetBucketVersioning
		router.Methods(http.MethodGet).
			HandlerFunc(s3APIMiddleware(api.GetBucketVersioningHandler)).
			Queries("versioning", "")
		// GetBucketNotification
		router.Methods(http.MethodGet).
			HandlerFunc(s3APIMiddleware(api.GetBucketNotificationHandler)).
			Queries("notification", "")
		// ListenNotification
		router.Methods(http.MethodGet).

			// Register AbortMultipart Handler.
			bucket.Methods(http.MethodDelete).Path("/{object:.+}").HandlerFunc(api.AbortMultipartUploadHandler).Queries("uploadId", "{uploadId:.*}")
		case "GetBucketNotification":
			// Register GetBucketNotification Handler.
			bucket.Methods(http.MethodGet).HandlerFunc(api.GetBucketNotificationHandler).Queries("notification", "")
		case "PutBucketNotification":
			// Register PutBucketNotification Handler.