/**
 * @verevoir/llm/deepseek — DeepSeek SDK adapter.
 *
 * DeepSeek exposes an OpenAI-compatible API, so this adapter reuses the
 * official `openai` package (the same peer dependency as `/openai`)
 * pointed at DeepSeek's `baseURL`. It mirrors the `/openai` adapter's
 * structure but calls the **Chat Completions** API (`chat.completions
 * .create`) rather than the Responses API — DeepSeek implements the
 * former, not the latter. Importing this subpath requires `openai` as a
 * peer dependency on the consumer.
 *
 * v0.6.0 ships `chat()` only — single-shot text generation, matching the
 * staged rollout of `/openai` + `/google`. Tool calling follows later.
 */
import { type ChatOptions, type ChatReply, type ModelClass, type RatesTable } from '../index.js';
/** Provider id reported on every {@link TokenUsage} this adapter returns. */
export declare const PROVIDER = "deepseek";
/** DeepSeek's OpenAI-compatible endpoint. */
export declare const BASE_URL = "https://api.deepseek.com";
/**
 * Concrete model id per {@link ModelClass}. Reasoning maps to
 * `deepseek-reasoner` (the R1-style reasoning model); extraction maps to
 * `deepseek-chat` (the general V3 model) for fast/cheap structured tasks.
 *
 * As of 2026-05-26 these are the current GA aliases; upgrades happen here
 * only, no ripple through callers.
 */
export declare const models: Readonly<Record<ModelClass, string>>;
/**
 * Per-model pricing (USD per million tokens) — DeepSeek-published
 * standard (cache-miss) rates as of 2026-05-26.
 *
 * **Worst-case approach:** same convention as the other adapters — cached
 * input is billed cheaper than standard but the rate-tuple here is the
 * standard input rate, so pricing via this table is an upper bound.
 * Refresh this table when DeepSeek publishes new pricing.
 *
 * Each rate-tuple is `[input_per_million_USD, output_per_million_USD]`.
 *
 * @deprecated Part of the old static-rates cost API. Use
 * `createPriceBook(...)` / `book.costOf(...)` instead (see `src/pricing.ts`)
 * — it prices from LiteLLM's live table (the bundled snapshot as fallback)
 * and reports an unmatched model as `unpriced` rather than `0`.
 */
export declare const rates: RatesTable;
/**
 * Single-shot text generation via the DeepSeek Chat Completions API.
 * Same surface as the Anthropic + Google + OpenAI adapters' `chat()`:
 * pass turns + systemPrompt, get `{ content, usage, stopReason }` back.
 * Retry on transient errors with caller-visible narration via `onRetry`.
 *
 * Not yet supported in this adapter (planned follow-up): live progress
 * narration via `onProgress`, tool calling. Aligns with the staged
 * rollout of `/openai` + `/google` — chat() first, tools follow.
 */
export declare function chat(options: ChatOptions): Promise<ChatReply>;
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