--- /dev/null
+package net.pterodactylus.sone.database
+
+import net.pterodactylus.sone.data.Sone
+
+/**
+ * Stores information about the [friends][Sone.getFriends] of a [Sone].
+ */
+interface FriendStore {
+
+ fun addFriend(localSone: Sone, friendSoneId: String)
+ fun removeFriend(localSone: Sone, friendSoneId: String)
+
+}