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yes if this is the case but will be usefull to have the other way too
Sencha - Desktop Packager Dev Team
We don't/can't support hybrid configurations at the moment, although we could make the store config an "object" type, and you could either supply a string or an object/array of static data. So while we could make it work for this particular case, in general, a lot of "Mixed" configuration types are hard to do.
I encourage making this a feature request of course. I think it would be good.