package fcm import "github.com/NaySoftware/go-fcm" // firebaseClient is a copy of "go-fcm" client methods. type firebaseClient interface { NewFcmRegIdsMsg(tokens []string, body interface{}) *fcm.FcmClient Send() (*fcm.FcmResponseStatus, error) SetNotificationPayload(payload *fcm.NotificationPayload) *fcm.FcmClient }