Gck.Session.prototype.sign_finish

function sign_finish(result: Gio.AsyncResult): [return_value: ByteArray, n_result: Number(gsize)] {
    // Gjs wrapper for gck_session_sign_finish()
}

Get the result of an signing operation.

result: The result object passed to the callback.
return_value: the data that was signed, or null if an error occurred
n_result: A location to store the length of the result data.