import { type LanguageModel } from "ai";
import { type GeistdocsConfig } from "../config";
import { type ChatMixedbreadOptions } from "../internal/chat-retrieval";
import { type GeistdocsPageFilter } from "../page-visibility";
import type { GeistdocsSourceBundle } from "../source";
type SourceBundle = GeistdocsSourceBundle;
interface ChatProxyConfig {
    headers?: HeadersInit | (() => HeadersInit | Promise<HeadersInit>);
    url: string;
}
interface ChatEveAgentOptions {
    /**
     * Extra headers for requests to the eve agent, replacing the default
     * `Authorization: Bearer <Vercel OIDC token>` when an `authorization`
     * header is provided. Accepts an async function for per-request tokens.
     * Server-only: never expose auth material through `geistdocs.tsx`.
     */
    headers?: HeadersInit | (() => HeadersInit | Promise<HeadersInit>);
    /** Overrides `config.ai.eveAgent.url` (e.g. for a staging agent). */
    url?: string;
}
interface CreateChatRouteOptions {
    config: Pick<GeistdocsConfig, "ai" | "basePath" | "defaultLanguage" | "siteId" | "translations">;
    /**
     * Server-side options for the eve agent responder configured through
     * `config.ai.eveAgent`. Mutually exclusive with `proxy`.
     */
    eveAgent?: ChatEveAgentOptions;
    /** Narrows the stable public corpus available to Ask AI. */
    filterPage?: GeistdocsPageFilter;
    /**
     * Server-only Mixedbread overrides. Environment variables are used when
     * these values are omitted.
     */
    mixedbread?: ChatMixedbreadOptions;
    /**
     * Model used to answer Ask AI requests in the default AI Gateway mode.
     * Accepts any AI SDK `LanguageModel`, including AI Gateway model strings
     * such as `"xai/grok-4.5"`. Ignored in proxy and eve agent modes, where
     * the external service selects the model. Defaults to
     * `"openai/gpt-5.6-sol"`.
     */
    model?: LanguageModel;
    proxy?: ChatProxyConfig;
    source?: SourceBundle;
    sources?: SourceBundle[];
}
export declare const createChatRoute: ({ config, eveAgent, filterPage, mixedbread, model, proxy, source, sources, }: CreateChatRouteOptions) => {
    POST: (req: Request) => Promise<Response>;
    maxDuration: 800;
};
export {};
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