return an int between 4 and 512 concode_field_sep AbstractFactory factory concode_elem_sep AbstractCollisionDomain TAP concode_elem_sep int firewallsNumber concode_elem_sep int maxFirewalls concode_elem_sep AbstractProject project concode_elem_sep LinkedList<String> areas concode_elem_sep ArrayList<AbstractHost> hostsToRemove concode_elem_sep int maxRouters concode_elem_sep Lab lab concode_elem_sep ArrayList<AbstractCollisionDomain> domainToRemove concode_elem_sep ArrayList<String> services concode_elem_sep int routersNumber concode_elem_sep AbstractLayout layout concode_elem_sep Random r concode_elem_sep AbstractHost mainGateway concode_field_sep AbstractHost addFirewall concode_elem_sep void setTAP concode_elem_sep AbstractCollisionDomain getTAP concode_elem_sep int getFirewallsNumber concode_elem_sep void removeDomain concode_elem_sep void expandRouter concode_elem_sep Topology createTopology concode_elem_sep void setFirewallsNumber concode_elem_sep int getMaxRouters concode_elem_sep AbstractHost addHost concode_elem_sep AbstractCollisionDomain addDomain concode_elem_sep AbstractCollisionDomain addDomain concode_elem_sep void populate concode_elem_sep void addTap concode_elem_sep int getRoutersNumer concode_elem_sep String getRandomService concode_elem_sep AbstractHost addRouter concode_elem_sep void removeHost concode_elem_sep String getRandomArea concode_elem_sep AbstractHost getMainGateway concode_elem_sep void setMainGateway concode_elem_sep void connect concode_elem_sep AbstractProject getProject concode_elem_sep void expandFirewall
int function ( ) { return r . nextInt ( 508 ) + 4 ; }