code: public JSONObject getByFreelancersTeam(String freelancerTeamReference, HashMap<String, String> params) throws JSONException {
          return oClient.get("/finreports/v2/provider_teams/" + freelancerTeamReference + "/billings", params);
      }
docs: Generate Billing Reports for a Specific Freelancer's Team
  
  @param   freelancerTeamReference Freelancer's team reference
  @param   params Parameters
  @throws	JSONException If error occurred
  @return	{@link JSONObject}