a glib.ByteArray which holds the DER encoded issuer DN.
used to interact with the user if necessary
Flags which affect the lookup operation.
a gio.Cancellable, or NULL
a newly allocated list of gio.TlsCertificate objects. Use g_object_unref() on each certificate, and g_list_free() on the release the list.
GException on failure.
2.30
Look up certificates issued by this issuer in the database.
This function can block, use TlsDatabase.lookupCertificatesIssuedByAsync to perform the lookup operation asynchronously.