import type { DriverProvider } from "../types.js";
export interface OpenRouterDriverProviderOptions {
    apiKey: string;
    /** Default: "google/gemini-2.5-flash". */
    model?: string;
    /** Default: "https://openrouter.ai/api/v1". */
    baseUrl?: string;
    /** Override fetch for tests. */
    fetch?: typeof globalThis.fetch;
    /** Stop calling once cumulative reported cost reaches this USD. */
    maxUsd?: number;
    /** Override prompt path (advanced). */
    promptPath?: string;
}
export declare function openRouterDriverProvider(opts: OpenRouterDriverProviderOptions): DriverProvider;
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