Issue: Push imports complete RxJS library

I’m using the Push Service from Ionic Cloud, but I don’t know how to import it correctly without importing whole RxJS. Can somebody help me? Could it be a issue with the package? If it is, can somebody create a pull request? I tried to git clone and npm install the package locally to change the import to import from rxjs/Observable, but got errors while npm install and that’s why Typescript throws errors.

I also opened an issue for this: