export type VendedModel = {
    id: string;
    name: string;
    default?: boolean;
    reasoning?: boolean;
    input?: Array<"text" | "image">;
    cost?: {
        input: number;
        output: number;
        cacheRead: number;
        cacheWrite: number;
    };
    contextWindow?: number;
    maxTokens?: number;
};
export type VendedCatalog = {
    models: VendedModel[];
    fallbacks: string[];
};
/** Test seam: reset module state. */
export declare function resetVendedModelsForTest(): void;
/**
 * Fetch the vended catalog now (single-flight). Resolves when the attempt
 * settles; never throws. Safe to fire-and-forget.
 */
export declare function refreshVendedModels(opts?: {
    fetchImpl?: typeof fetch;
    /** Test seam: bypass config-derived device auth. */
    auth?: {
        baseUrl: string;
        apiKey: string;
    };
}): Promise<void>;
/**
 * Synchronous lookup of the vended catalog. Reads memory, then the disk
 * cache; fires a background refresh when stale or missing so the NEXT lookup
 * has it. Returns null until a catalog has ever been vended — consumers fall
 * back to the baked-in catalog.
 */
export declare function resolveVendedCatalog(): VendedCatalog | null;