import type { Model } from "../../types";
/**
 * Configuration for Google Generative AI model discovery.
 */
export interface GeminiDiscoveryOptions {
    /** API key for the Google Generative AI public endpoint. */
    apiKey: string;
    /** Optional endpoint override for testing or proxying. */
    baseUrl?: string;
    /** Optional requested page size for model listing. */
    pageSize?: number;
    /** Maximum number of pages to request before stopping pagination. */
    maxPages?: number;
    /** Optional abort signal for HTTP requests. */
    signal?: AbortSignal;
    /** Optional fetch implementation override for tests. */
    fetch?: typeof fetch;
}
/**
 * Fetches and normalizes Google Generative AI models from the public models endpoint.
 *
 * Returns `null` on transport/protocol failures.
 * Returns `[]` only when the endpoint responds successfully with no usable models.
 */
export declare function fetchGeminiModels(options: GeminiDiscoveryOptions): Promise<Model<"google-generative-ai">[] | null>;