--- /dev/null
+/**
+ * Sone - Notifications.kt - Copyright © 2019 David ‘Bombe’ Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sone.notify
+
+import net.pterodactylus.util.notify.*
+
+/**
+ * Returns whether the notification manager contains a notification with the given ID.
+ */
+operator fun NotificationManager.contains(id: String) =
+ getNotification(id) != null
+
+/**
+ * Returns whether the notification manager currently has a “first start” notification.
+ */
+fun NotificationManager.hasFirstStartNotification() =
+ "first-start-notification" in this