/**
 * Resolve every slash token in `text` against `names` (a
 * `buildRefInventory().names` set), collapse duplicates, and return one
 * directive line per distinct resolved ref in FIRST-APPEARANCE order.
 * Returns `null` when no token resolves, so the broker sends no guidance
 * message for prose with no refs.
 */
export declare function buildGuidance(text: string, names: Set<string>): string | null;