@Override
    public Page<Aws> previousPage(final Page<Aws> page, 
                                  final TwilioRestClient client) {
        Request request = new Request(
            HttpMethod.GET,
            page.getPreviousPageUrl(
                Domains.ACCOUNTS.toString(),
                client.getRegion()
            )
        );
        return pageForRequest(client, request);
    }
@ Override public Page < Aws > previousPage ( final Page < Aws > page , final TwilioRestClient client ) { Request request = new Request ( HttpMethod . GET , page . getPreviousPageUrl ( Domains . ACCOUNTS . toString ( ) , client . getRegion ( ) ) ) ; return pageForRequest ( client , request ) ; }
Retrieve the previous page from the Twilio API.

@param page current page
@param client TwilioRestClient with which to make the request
@return Previous Page