Gio.TlsCertificate.prototype.get_issuer

function get_issuer(): Gio.TlsCertificate {
    // Gjs wrapper for g_tls_certificate_get_issuer()
}

Gets the Gio.TlsCertificate representing cert's issuer, if known

Since 2.28

Returns: The certificate of cert's issuer, or null if cert is self-signed or signed with an unknown certificate.