pub unsafe extern "C" fn g_tls_database_lookup_certificate_issuer_async(
self_: *mut GTlsDatabase,
certificate: *mut GTlsCertificate,
interaction: *mut GTlsInteraction,
flags: GTlsDatabaseLookupFlags,
cancellable: *mut GCancellable,
callback: GAsyncReadyCallback,
user_data: gpointer
)