Gio.TlsConnection.prototype.handshake_async

function handshake_async(io_priority: Number(gint), cancellable: Gio.Cancellable, callback: Gio.AsyncReadyCallback): void {
    // Gjs wrapper for g_tls_connection_handshake_async()
}

Asynchronously performs a TLS handshake on conn. See Gio.TlsConnection.prototype.handshake for more information.

Since 2.28

io_priority: the [I/O priority][io-priority] of the request
cancellable: a Gio.Cancellable, or null
callback: callback to call when the handshake is complete