import type { Model } from "@gajae-code/ai/core";
import { type AutoroutingEffective, type AutoroutingTier } from "./autorouting-contract";
export type TierSelectorNormalization = {
    pinned: string;
} | {
    rejected: "selector_not_provider_qualified";
} | {
    unmatched: true;
};
export type RoutingOutcome = {
    kind: "disabled";
} | {
    kind: "routed";
    tier: AutoroutingTier;
    requestedTier?: AutoroutingTier;
    defaultTierApplied?: true;
    pinnedSelector: string;
} | {
    kind: "manual-fallback";
    tier: AutoroutingTier;
    requestedTier?: AutoroutingTier;
    defaultTierApplied?: true;
    attemptedSelectorCount: number;
    reason: "tier_unmatched" | "tier_missing_in_map";
};
/**
 * Pin one configured selector against exactly the supplied ordered snapshot.
 * No settings, role aliases, usage ordering, or fuzzy matching participate.
 */
export declare function normalizeTierSelector(selector: string, snapshot: readonly Model[]): TierSelectorNormalization;
export declare function resolveTaskRouting(input: {
    effectiveAutorouting: AutoroutingEffective;
    requestedTier?: AutoroutingTier;
    availableModels?: readonly Model[];
}): RoutingOutcome;