type SharedRequestOptions = {
    apiKey?: string;
    apiUrl?: string;
    fetch?: typeof fetch;
    headers?: Record<string, string>;
    signal?: AbortSignal;
};

declare namespace OpenAICompletionTypes {
    type RequestOptions = SharedRequestOptions;
    type Request = {
        model: string;
        prompt: string | Array<string> | Array<number> | Array<Array<number>>;
        suffix?: string | null;
        max_tokens?: number | null;
        temperature?: number | null;
        top_p?: number | null;
        n?: number | null;
        logprobs?: number | null;
        echo?: boolean | null;
        stop?: string | null | Array<string>;
        presence_penalty?: number | null;
        frequency_penalty?: number | null;
        best_of?: number | null;
        logit_bias?: Record<string, number> | null;
        user?: string;
    };
    type Response = {
        id: string;
        object: string;
        created: number;
        model: string;
        choices: Choice[];
        usage?: {
            completion_tokens: number;
            prompt_tokens: number;
            total_tokens: number;
        };
    };
    type Choice = {
        text: string;
        index: number;
        logprobs: {
            text_offset?: Array<number>;
            token_logprobs?: Array<number>;
            tokens?: Array<string>;
            top_logprobs?: Array<Record<string, number>>;
        } | null;
        finish_reason: 'stop' | 'length';
    };
    type Chunk = {
        id: string;
        object: string;
        created: number;
        model: string;
        choices: Choice[];
    };
}
/**
 * Run a completion against the OpenAI API.
 *
 * @see https://platform.openai.com/docs/api-reference/completions
 *
 * @param request The request body sent to OpenAI. See OpenAI's documentation for /v1/completions for supported parameters.
 * @param options
 * @param options.apiKey OpenAI API key.
 * @param options.apiUrl The url of the OpenAI (or compatible) API. Defaults to https://api.openai.com/v1/completions.
 * @param options.fetch A custom implementation of fetch. Defaults to globalThis.fetch.
 * @param options.headers Optionally add additional HTTP headers to the request.
 * @param options.signal An AbortSignal that can be used to abort the fetch request.
 * @returns OpenAI completion. See OpenAI's documentation for /v1/completions.
 */
declare function run(request: OpenAICompletionTypes.Request, options: OpenAICompletionTypes.RequestOptions): Promise<OpenAICompletionTypes.Response>;
/**
 * Run a streaming completion against the OpenAI API. The resulting stream is the raw unmodified bytes from the API.
 *
 * @see https://platform.openai.com/docs/api-reference/completions
 *
 * @param request The request body sent to OpenAI. See OpenAI's documentation for /v1/completions for supported parameters.
 * @param options
 * @param options.apiKey OpenAI API key.
 * @param options.apiUrl The url of the OpenAI (or compatible) API. Defaults to https://api.openai.com/v1/completions.
 * @param options.fetch A custom implementation of fetch. Defaults to globalThis.fetch.
 * @param options.headers Optionally add additional HTTP headers to the request.
 * @param options.signal An AbortSignal that can be used to abort the fetch request.
 * @returns A stream of bytes directly from the API.
 */
declare function streamBytes(request: OpenAICompletionTypes.Request, options: OpenAICompletionTypes.RequestOptions): Promise<ReadableStream<Uint8Array>>;
/**
 * Run a streaming completion against the OpenAI API. The resulting stream is the parsed stream data as JavaScript objects.
 *
 * @see https://platform.openai.com/docs/api-reference/completions
 *
 * @param request The request body sent to OpenAI. See OpenAI's documentation for /v1/completions for supported parameters.
 * @param options
 * @param options.apiKey OpenAI API key.
 * @param options.apiUrl The url of the OpenAI (or compatible) API. Defaults to https://api.openai.com/v1/completions.
 * @param options.fetch A custom implementation of fetch. Defaults to globalThis.fetch.
 * @param options.headers Optionally add additional HTTP headers to the request.
 * @param options.signal An AbortSignal that can be used to abort the fetch request.
 * @returns A stream of objects representing each chunk from the API.
 */
declare function stream(request: OpenAICompletionTypes.Request, options: OpenAICompletionTypes.RequestOptions): Promise<ReadableStream<OpenAICompletionTypes.Chunk>>;
/**
 * Run a streaming completion against the OpenAI API. The resulting stream emits only the string tokens.
 *
 * @see https://platform.openai.com/docs/api-reference/completions
 *
 * @param request The request body sent to OpenAI. See OpenAI's documentation for /v1/completions for supported parameters.
 * @param options
 * @param options.apiKey OpenAI API key.
 * @param options.apiUrl The url of the OpenAI (or compatible) API. Defaults to https://api.openai.com/v1/completions.
 * @param options.fetch A custom implementation of fetch. Defaults to globalThis.fetch.
 * @param options.headers Optionally add additional HTTP headers to the request.
 * @param options.signal An AbortSignal that can be used to abort the fetch request.
 * @returns A stream of tokens from the API.
 */
declare function streamTokens(request: OpenAICompletionTypes.Request, options: OpenAICompletionTypes.RequestOptions): Promise<ReadableStream<string>>;
/**
 * An object that encapsulates methods for calling the OpenAI Completion API.
 */
declare class OpenAICompletion {
    static run: typeof run;
    static stream: typeof stream;
    static streamBytes: typeof streamBytes;
    static streamTokens: typeof streamTokens;
}

export { OpenAICompletion, OpenAICompletionTypes };