/* call potential_payload during a depth-first-search on a message
* when encountering a message part that is not part of the envelope.
+ *
+ * Returns true if part is the root of the cryptographic payload of
+ * this message.
*/
-notmuch_status_t
+bool
_notmuch_message_crypto_potential_payload (_notmuch_message_crypto_t *msg_crypto, GMimeObject *part, GMimeObject *parent, int childnum);