/** One assigned worker's caller-resolved contribution; stat names and modifiers stay caller-owned. */
export interface StationWorker {
    readonly id: string;
    readonly stat: number;
}
/** Serializable staffing snapshot. The caller owns assignment, unique worker ids, and stable order. */
export interface StaffedStation {
    readonly stationId: string;
    /** Nonnegative whole slot count; fractional values round down and nonfinite values admit no workers. */
    readonly slots: number;
    /** Only the first `slots` entries contribute; overflow assignments are not reordered or mutated. */
    readonly workers: readonly StationWorker[];
}
/** Caller-owned output tuning in production cycles per game-second. */
export interface StationRateTuning {
    readonly base: number;
    readonly perStat: number;
    /** Applied to the whole rate, including base; defaults to 1 and clamps to 0…1. */
    readonly efficiency?: number;
}
/**
 * Resolve `(base + perStat * sum(admitted worker stats)) * efficiency` without allocation.
 * Empty staffing retains base production. Negative/nonfinite contributions are zero; a nonfinite
 * efficiency or overflowing result stops production with rate zero. Invalid workers still occupy
 * their ordered slots. Assign the result to a `ProductionBuildingDef.rate` for `tickProduction`.
 *
 * @capability staffed-station-rate turn bounded caller-owned worker stats and efficiency into a production rate
 */
export declare function stationOutputRate(station: StaffedStation, tuning: StationRateTuning): number;