[LightDM] problem to create a greater in js?: Unable to construct boxed type Greeter since it has no zero-args <constructor>, can only wrap an existing one

[Nadav Vinik]

Hello

I try to create greeter in JS and it complain that the constructor of
LightDM.Greeter need args while in the documentation is not.

let greeter = new LightDM.Greeter();

    JS ERROR: !!!   Exception was: Error: Unable to construct boxed type
Greeter since it has no zero-args <constructor>, can only wrap an existing
one
    JS ERROR: !!!     lineNumber = '0'
    JS ERROR: !!!     fileName = '"gjs_throw"'
    JS ERROR: !!!     stack = '"("Unable to construct boxed type Greeter
since it has no zero-args <constructor>, can only wrap an existing
one")@gjs_throw:0
@./main.js:7
"'
    JS ERROR: !!!     message = '"Unable to construct boxed type Greeter
since it has no zero-args <constructor>, can only wrap an existing one"'
Error: Unable to construct boxed type Greeter since it has no zero-args
<constructor>, can only wrap an existing one


Documentation:
http://people.ubuntu.com/~robert-ancell/lightdm/reference/lightdm-gobject-1-Greeter-Interface.html

Thanks
Nadav
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