1 files changed, 45 insertions, 0 deletions
diff --git a/lib/public/Talk/ITalkBackend.php b/lib/public/Talk/ITalkBackend.php
new file mode 100644
index 00000000000..66dbd3c485d
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+++ b/lib/public/Talk/ITalkBackend.php
@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2021 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCP\Talk;
+
+use OCP\IUser;
+
+/**
+ * Interface for the Talk app to implement
+ *
+ * Other apps must not implement nor use this interface in any way. Use the
+ * broker instead
+ *
+ * @see IBroker
+ * @since 24.0.0
+ */
+interface ITalkBackend {
+	/**
+	 * @param string $name
+	 * @param IUser[] $moderators
+	 * @param IConversationOptions $options configuration for the conversation
+	 *
+	 * @return IConversation
+	 * @since 24.0.0
+	 */
+	public function createConversation(string $name,
+		array $moderators,
+		IConversationOptions $options): IConversation;
+
+	/**
+	 * Delete a conversation by id
+	 *
+	 * @param string $id conversation id
+	 *
+	 * @return void
+	 * @since 26.0.0
+	 */
+	public function deleteConversation(string $id): void;
+}