Address class is related to Bing SOAP Search / Geocode services which will be stopped in June 2017. This prompted us to Obsolete many classes (including Address) in R3 2016 and delete them in R2 2017.
We also introduced new BING REST based functions in BingRestMapProvider
for searching locations, elevations, routes.
You can take a look at the following resources:
BingRestMap Search Location
Could you please elaborate more on the scenarios in which you use the Address class ?
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