/// <reference types="node" />
import type { CreateChatCompletionRequest, CreateCompletionRequest, CreateEditRequest, CreateEmbeddingRequest, CreateFineTuneRequest, CreateImageRequest } from "./pinned";
import { OpenAIStreamOptions } from "./streaming";
import nodeFetch from "node-fetch";
export declare const OpenAIAPIEndpoints: {
    readonly chat: "chat/completions";
    readonly completions: "completions";
    readonly edits: "edits";
    readonly embeddings: "embeddings";
    readonly images: "images";
    readonly "fine-tunes": "fine-tunes";
};
export type OpenAIAPIEndpoint = keyof typeof OpenAIAPIEndpoints;
export type OpenAICreateArgs<T extends OpenAIAPIEndpoint> = T extends "completions" ? Omit<CreateCompletionRequest, "stream"> : T extends "edits" ? CreateEditRequest : T extends "embeddings" ? CreateEmbeddingRequest : T extends "images" ? CreateImageRequest : T extends "fine-tunes" ? CreateFineTuneRequest : T extends "chat" ? CreateChatCompletionRequest : never;
export interface OpenAIOptions extends OpenAIStreamOptions {
    /**
     * By default, the API base is https://api.openai.com/v1, corresponding
     * to OpenAIs API. You can override this to use a different provider or proxy.
     */
    apiBase?: string;
    /**
     * By default, the API key is read from the OPENAI_API_KEY environment
     * variable. You can override this by passing a different key here.
     */
    apiKey?: string;
    /**
     * Additional headers to pass to the API. This is useful is you want to
     * pass additional parameters to a proxy service, for instance.
     */
    apiHeaders?: Record<string, string>;
    /**
     * An optional AbortController, which can be used to abort the request
     * mid-flight.
     */
    controller?: AbortController;
    /**
     * An optional custom fetch implementation, which will be used to replace the
     * default fetch/node-fetch call used for making API requests in edge/dom and
     * node environments respectively.
     */
    fetch?: typeof fetch | typeof nodeFetch;
}
/**
 * The OpenAI API client for Edge runtime.
 */
export type OpenAIEdgeClient = <T extends OpenAIAPIEndpoint>(endpoint: T, args: OpenAICreateArgs<T>, options?: OpenAIOptions) => Promise<ReadableStream<Uint8Array>>;
export type OpenAINodeClient = <T extends OpenAIAPIEndpoint>(endpoint: T, args: OpenAICreateArgs<T>, options?: OpenAIOptions) => Promise<NodeJS.ReadableStream>;
export * from "./pinned";