import type { ServerModelConfiguration } from '../../models/index';
/**
 * RestClient is a thin HTTP client that interacts with the Sourcegraph backend.
 *
 * Where possible, this client uses the same data for how things get hooked into
 * the GraphQL client. e.g. HTTP requests made by this client will honor the
 * `graphql` package's `setUserAgent` and `addCustomUserAgent` methods.
 *
 * NOTE: This is semi-experimental. @chrsmith is a fan of how easy REST APIs can
 * be versioned/evolve compared to GraphQL. But if there is much pushback, we'll
 * just expose the same endpoint using the backend's GraphQL API.
 */
export declare class RestClient {
    private endpointUrl;
    private accessToken;
    private customHeaders;
    /**
     * @param endpointUrl URL to the sourcegraph instance, e.g. "https://sourcegraph.acme.com".
     * @param accessToken User access token to contact the sourcegraph instance.
     * @param customHeaders Custom headers (primary is used by Cody Web case when Sourcegraph client
     * providers set of custom headers to make sure that auth flow will work properly
     */
    constructor(endpointUrl: string, accessToken: string | undefined, customHeaders: Record<string, string>);
    private getRequest;
    /**
     * getAvailableModels fetches the LLM models that the Sourcegraph instance supports.
     *
     * IMPORTANT: The list may include models that the current Cody client does not know
     * how to operate.
     */
    getAvailableModels(): Promise<ServerModelConfiguration | undefined>;
}
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