code: public static NotificationFetcher fetcher(final String pathAccountSid, 
                                                final String pathCallSid, 
                                                final String pathSid) {
          return new NotificationFetcher(pathAccountSid, pathCallSid, pathSid);
      }
docs: Create a NotificationFetcher to execute fetch.
  
  @param pathAccountSid The SID of the Account that created the resource to
  fetch
  @param pathCallSid The Call SID of the resource to fetch
  @param pathSid The unique string that identifies the resource
  @return NotificationFetcher capable of executing the fetch