code: public ArrayList<Long> ip_firewall_ipOnFirewall_rule_GET(String ip, String ipOnFirewall, OvhFirewallRuleStateEnum state) throws IOException {
  		String qPath = "/ip/{ip}/firewall/{ipOnFirewall}/rule";
  		StringBuilder sb = path(qPath, ip, ipOnFirewall);
  		query(sb, "state", state);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, t1);
  	}
docs: Rules for this IP
  
  REST: GET /ip/{ip}/firewall/{ipOnFirewall}/rule
  @param state [required] Filter the value of state property (=)
  @param ip [required]
  @param ipOnFirewall [required]