Thomas,
Thank you for the detailed reply. I would have never figured out by myself
that functions are recorded on the window but classes are not.
Although this is probably the first time I posted a question here, I have
immensely benefited from your helpful responses here, stackoverflow and
Because GWT code runs in an iframe, JsPackage.GLOBAL maps to the JSNI $wnd
equivalent referencing the parent window so anything referenced from
JsInterop needs to be recorded as a window property; and classes aren't
recorded on the window per ECMAScript
(see
