const char *
_notmuch_database_get_directory_db_path (const char *path);
+unsigned int
+_notmuch_database_generate_doc_id (notmuch_database_t *notmuch);
+
notmuch_private_status_t
_notmuch_database_find_unique_doc_id (notmuch_database_t *notmuch,
const char *prefix_name,