/**
 * @verevoir/llm — bundled fallback price snapshot.
 *
 * `createPriceBook` (see `src/pricing.ts`) uses this as its DEFAULT
 * fallback table — in effect only until the first successful live
 * fetch replaces it. `refresh()` only ever assigns the table on
 * success, so once a live fetch has succeeded once, a later failed
 * refresh keeps that last good LIVE table rather than falling back to
 * this snapshot again — unless the caller injects its own
 * `PriceBookOptions.snapshot`. `payload` is a TRIMMED
 * LiteLLM `model_prices_and_context_window.json`: model key → only the
 * fields `src/pricing.ts`'s parser reads, in their original snake_case
 * shape, so the exact same parser that reads a live fetch's body reads
 * this too.
 *
 * Generated OUTSIDE the belt (the belt cannot reach the network): the
 * upstream file was fetched, trimmed to the anthropic, openai, gemini,
 * deepseek, mistral and sambanova providers and to the six fields above,
 * and written here with its `asOf`, `sourceUrl` and the `sha256` of the
 * raw upstream bytes. `sourceUrl` is pinned to the upstream commit, so
 * `curl -sL <sourceUrl> | shasum -a 256` reproduces `sha256`. Do not
 * hand-edit prices into it; regenerate it.
 */
export interface PricingSnapshot {
    /** When this snapshot was generated, as an ISO 8601 UTC timestamp. */
    asOf: string;
    /** Where `payload` was trimmed from. */
    sourceUrl: string;
    /** sha256 of the raw upstream JSON this snapshot was trimmed from —
     * of the raw upstream bytes. */
    sha256: string;
    /** Model key → only the fields `src/pricing.ts`'s parser reads
     * (`input_cost_per_token`, `output_cost_per_token`,
     * `cache_creation_input_token_cost`,
     * `cache_creation_input_token_cost_above_1hr`,
     * `cache_read_input_token_cost`, `litellm_provider`), untouched
     * snake_case — the same shape a live fetch's JSON body is in. */
    payload: Record<string, Record<string, unknown>>;
}
export declare const PRICING_SNAPSHOT: PricingSnapshot;
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