[ NoAccessorMethod ]
public abstract OAuth2Based oauth2_based { owned get; set; }
The OAuth2Based instance corresponding to the D-Bus interface <link linkend="gdbus-interface-org-gnome-OnlineAccounts-OAuth2Based.
top_of_page">org.gnome.OnlineAccounts.OAuth2Based</link>, if any.
Connect to the notify signal to get informed of property changes.