/**
 * Host-based route matching with wildcard support.
 *
 * The routing table is keyed by host pattern. A pattern is either an exact
 * hostname (`api.example.com`) or a wildcard (`*.example.com`). Lookup prefers
 * an exact match, then the most-specific (deepest-suffix) wildcard.
 *
 * Kept dependency-free and pure so it's reusable from both the daemon and the
 * in-process multi-proxy path, and trivially unit-testable.
 */
export declare function isWildcardPattern(pattern: string): boolean;
/**
 * True if `hostname` matches the wildcard `pattern` (`*.suffix`). A wildcard
 * matches exactly one or more leading labels — `*.example.com` matches
 * `a.example.com` and `a.b.example.com`, but NOT the bare apex `example.com`.
 */
export declare function matchesWildcard(hostname: string, pattern: string): boolean;
/**
 * Find the route value for `hostname` in a host-keyed map. Exact match wins;
 * otherwise the matching wildcard with the longest (most-specific) suffix wins.
 * Returns `undefined` when nothing matches.
 */
export declare function matchHost<T>(table: Map<string, T>, hostname: string): T | undefined;