export type RouterRouteConfig = {
    channel: string;
    /** Exact upstream model id for this provider/channel route. Defaults to the canonical model id. */
    model?: string;
};
export type RouterCustomRouteConfig = {
    model: string;
    channel: string;
    /** Exact upstream model id when this custom route targets a model-name variant. */
    upstreamModel?: string;
};
export type RouteLikeModelConfig = {
    id: string;
    channels?: string[];
    aliases?: string[];
    modelByChannel?: Record<string, string>;
    routes?: RouterRouteConfig[];
};
export type RouterRouteEntry = {
    modelId: string;
    channel: string;
    upstreamModelId: string;
    routeKey: string;
    label: string;
    explicitModel: boolean;
};
export declare function makeRouteKey(channel: string, upstreamModelId: string | undefined, canonicalModelId: string): string;
export declare function getRouteDisplayLabel(route: Pick<RouterRouteEntry, "channel" | "upstreamModelId" | "modelId">): string;
export declare function getRouteSignature(route: Pick<RouterRouteEntry, "channel" | "upstreamModelId" | "modelId">): string;
export declare function getModelRouteEntries(modelConfig: RouteLikeModelConfig): RouterRouteEntry[];
export declare function serializeRouteEntriesForConfig(modelId: string, entries: Array<Pick<RouterRouteEntry, "channel" | "upstreamModelId">>): {
    channels: string[];
    modelByChannel?: Record<string, string>;
    routes?: RouterRouteConfig[];
};
export declare function customRouteToOrderString(route: RouterCustomRouteConfig): string;
//# sourceMappingURL=router-routes.d.ts.map