/**
 * OrcaRouter transport. The OrcaRouter gateway speaks the OpenAI-compatible
 * wire format, so this reuses the OpenAI adapter's request/response translation
 * and simply points it at the gateway. The value over a bare `openai` provider +
 * `baseUrl` is a first-class, self-describing provider: a sensible default
 * gateway address and `/v1/models` auto-discovery (see {@link listOrcaRouterModels}),
 * so callers can enumerate whatever upstream models the gateway routes to —
 * reaching 150+ models from OpenAI, Anthropic, Google, DeepSeek, Qwen, and more
 * through one endpoint without a per-vendor code path.
 */
import OpenAI from "openai";
import { OpenAIChatModel, type OpenAIChatModelOptions } from "./openai.js";
/** Public endpoint of the OrcaRouter AI gateway. */
export declare const DEFAULT_ORCAROUTER_BASE_URL = "https://api.orcarouter.ai/v1";
export type OrcaRouterChatModelOptions = OpenAIChatModelOptions;
/**
 * ChatModel backed by the OrcaRouter gateway. Inherits every translation detail
 * from {@link OpenAIChatModel} (the gateway is OpenAI-compatible) and only
 * changes the defaults: the gateway base URL and an `orcarouter:<model>` label.
 */
export declare class OrcaRouterChatModel extends OpenAIChatModel {
    constructor(opts: OrcaRouterChatModelOptions);
}
/**
 * Auto-discover the models the OrcaRouter gateway can route to via `GET
 * /v1/models`. Returns the model ids so a caller can present/validate them
 * instead of hardcoding a model string. A stub `client` may be injected for tests.
 */
export declare function listOrcaRouterModels(opts: {
    apiKey: string;
    baseUrl?: string;
    client?: OpenAI;
}): Promise<string[]>;
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