code: public Future<Map<String, RankedTeam>> getTeams(String... teamIds) {
          return new ApiFuture<>(() -> handler.getTeams(teamIds));
      }
docs: Retrieve information for the specified ranked teams
  @param teamIds The ids of the teams
  @return A map, mapping team ids to team information
  @see <a href=https://developer.riotgames.com/api/methods#!/594/1866>Official API documentation</a>