/**
 * mc-router detail rules (#768).
 *
 * Pure functions that compute what mc-router does from its inputs: the router
 * container env (global auto-scale), a server's container labels (per-server
 * override) and the routes the management API reports. Adapters supply the raw inputs.
 */
/** Global auto-scale settings of the mc-router container. */
export interface RouterAutoScale {
    /** AUTO_SCALE_UP: start a stopped server when a client connects. */
    up: boolean;
    /** AUTO_SCALE_DOWN: stop an idle server. */
    down: boolean;
    /** AUTO_SCALE_DOWN_AFTER as written (Go duration, e.g. `10m`). */
    downAfter?: string;
    /** AUTO_SCALE_ASLEEP_MOTD as written; may contain literal `\n` and § codes. */
    asleepMotd?: string;
}
/** Host addresses used for `<server>.<ip>.nip.io` router hosts. */
export interface RouterResolver {
    /** The primary address (first of hostIps); absent when none is known. */
    hostIp?: string;
    /** resolveHostIps: `.env` HOST_IPS / HOST_IP comma lists, else the probed host address. */
    hostIps: string[];
}
/** Effective per-server auto-scale; undefined when it cannot be determined. */
export interface RouteAutoScale {
    up?: boolean;
    down?: boolean;
}
type EnvValues = Readonly<Record<string, string | undefined>>;
/** Go's strconv.ParseBool: undefined when the value is missing or invalid. */
export declare function parseGoBool(value: string | undefined): boolean | undefined;
/** The router's global auto-scale settings; a missing or invalid boolean is false. */
export declare function parseRouterAutoScaleEnv(env: EnvValues): RouterAutoScale;
export declare const AUTO_SCALE_UP_LABEL = "mc-router.auto-scale-up";
export declare const AUTO_SCALE_DOWN_LABEL = "mc-router.auto-scale-down";
/**
 * Effective auto-scale of one server, as mc-router computes it: a label that
 * parses as a bool (trimmed) wins, otherwise the router global. Scale-up also
 * needs the global on: with AUTO_SCALE_UP off mc-router ignores stopped
 * containers entirely, so no label can make them wake (docker.go, v1.47.1).
 */
export declare function resolveRouteAutoScale(labels: EnvValues, global: RouterAutoScale | undefined): RouteAutoScale;
/**
 * Copies of `routes` with `discoveredByRouter` set from the hostnames the
 * management API lists (case-insensitive). `null` means the list is unknown:
 * the field is left out. With `stoppedRoutesListed: false` (global
 * AUTO_SCALE_UP off) mc-router never lists stopped containers, so their
 * absence says nothing and those routes are left out too.
 */
export declare function markDiscoveredRoutes<T extends {
    hostname: string;
    serverStatus?: string;
}>(routes: readonly T[], discovered: Iterable<string> | null, options?: {
    stoppedRoutesListed?: boolean;
}): Array<T & {
    discoveredByRouter?: boolean;
}>;
export {};
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