code: public ArrayList<Long> billingAccount_offerTask_GET(String billingAccount, OvhOfferTaskActionEnum action, OvhTaskStatusEnum status, OvhOfferTaskTypeEnum type) throws IOException {
  		String qPath = "/telephony/{billingAccount}/offerTask";
  		StringBuilder sb = path(qPath, billingAccount);
  		query(sb, "action", action);
  		query(sb, "status", status);
  		query(sb, "type", type);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, t2);
  	}
docs: Operations on a telephony service's offer
  
  REST: GET /telephony/{billingAccount}/offerTask
  @param action [required] Filter the value of action property (=)
  @param type [required] Filter the value of type property (=)
  @param status [required] Filter the value of status property (=)
  @param billingAccount [required] The name of your billingAccount