Helper function used in service implementations to finish handling invocations of the <link linkend="gdbus-method-org-gnome-OnlineAccounts-OAuthBased.
GetAccessToken">GetAccessToken</link> D-Bus method. If you instead want to finish handling an invocation by
returning an error, use return_error or similar.
This method will free invocation, you cannot use it afterwards.
| this |
A OAuthBased. |
| invocation | |
| access_token |
Parameter to return. |
| access_token_secret |
Parameter to return. |
| expires_in |
Parameter to return. |