import { type TierName } from "./domain-db.js";
import { type Tier } from "./tiers/index.js";
import type { TierSlot } from "./types.js";
export type SkipReason = "operator_override" | "low_success_rate";
export interface TierSkipDecision {
    tier: TierSlot;
    reason: SkipReason;
}
export declare const TIER_NAME: Record<TierSlot, TierName>;
export declare function computeTierSkips(url: string): Promise<TierSkipDecision[]>;
/**
 * Returns the active tier list and skip decisions for a URL.
 *
 * `active` is the ordered set of tiers to attempt (skips already removed).
 * `skipped` carries the skip decisions for observability/logging callers.
 */
export declare function getTiers(url: string): Promise<{
    active: Tier[];
    skipped: TierSkipDecision[];
}>;