/**
 * Routing table special names.
 * @category Constants
 */
export declare enum RoutingTables {
    /**
     * The `local` table is a special routing table containing high priority control routes for local
     * and broadcast addresses.
     */
    Local = "local",
    /** The `main` table is the normal routing table containing all non-policy routes.  */
    Main = "main",
    /**
     * The `default` table is empty.
     * It is reserved for some post-processing if no previous default rules selected the packet.
     */
    Default = "default"
}
/**
 * Rule special values.
 * @category Constants
 */
export declare enum RuleTypes {
    /** The rule prescribes to return the route found in the routing table referenced by the rule. */
    Unicast = "unicast",
    /** The rule prescribes to silently drop the packet. */
    Blackhole = "blackhole",
    /** The rule prescribes to generate a 'Network is unreachable' error. */
    Unreachable = "unreachable",
    /** The rule prescribes to generate 'Communication is administratively prohibited' error. */
    Prohibit = "prohibit",
    /** The rule prescribes to translate the source address of the IP packet into some other value. */
    Nat = "nat"
}