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I have an angular application that has a controller and a directive on the page of that controller that both reference the same firebase data(I have a good reason for keeping them separate). When I make changes to one reference the other references don't reflect the change unless I save the data. What is the best way to update all local firebase references without having to save the data. I would like to allow the user to see what his/her changes will look like before saving.I have an angular