### Issue Summary When using Twilio v4 library the Twilio client is of type any. ### Steps to Reproduce ``` import { Twilio } from "twilio/lib" const twilio_client = new Twilio( <SID>, <AUTH> ) ``` the type of twilio_client is any in version 4 whereas in version 3 it used to be the correct type i.e. TwilioClient. ### Code Snippet ``` import { Twilio } from "twilio/lib" const twilio_client = new Twilio( <SID>, <AUTH> ) ``` ### Technical details: * twilio-node version: v4 * node version: v14.17.3