What is the best way to use Nativescript and Angular 2 to download a file and store it on the device?

Can someone provide guidance on how to download a file and save it to the device using Nativescript and Angular 2?

I noticed there is a getFile function within the http module, but it doesn't seem to be available in Angular 2 ()

Additionally, I have tried using res.blob(), but it doesn't seem to work. Any suggestions?

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