--- /dev/null
+#ifndef _DATABASE_TEST_H
+#define _DATABASE_TEST_H
+/* Add a new stub message to the given notmuch database.
+ *
+ * At least the following return values are possible:
+ *
+ * NOTMUCH_STATUS_SUCCESS: Message successfully added to database.
+ *
+ * NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID: Message has the same message
+ * ID as another message already in the database.
+ *
+ * NOTMUCH_STATUS_READ_ONLY_DATABASE: Database was opened in read-only
+ * mode so no message can be added.
+ */
+
+notmuch_status_t
+notmuch_database_add_stub_message (notmuch_database_t *database,
+ const char *message_id,
+ const char **tag_list);
+
+#endif