@FunctionalInterface VS @JsFunction

Hi,

Would it be possible for GWTc to handle java.lang.FunctionalInterface as if it was jsinterop.annotations.JsFunction ?

The reason for asking is, I have this java code:

    public void transaction(Runnable runnable) {

        startTransaction();

        try {

            runnable.run();

        }

        finally {

            endTransaction();

        }

    }

when I expose this method via jsinterop I get a warning "not usable from javascript"

I intent to use it from JS/TS as: myJavaLib.transaction(() => doSomethingInTransaction(...));

but this is not possible unless I supersource java.lang.Runnable and add @JsFunction 

It seems to me that @FunctionalInterface and @JsFunction are very similar already...

Regards Jan 

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