import type { Auth } from '../core/auth.gen';
import type { ServerSentEventsOptions, ServerSentEventsResult } from '../core/serverSentEvents.gen';
import type { Client as CoreClient, Config as CoreConfig } from '../core/types.gen';
import type { Middleware } from './utils.gen';
export type ResponseStyle = 'data' | 'fields';
export interface Config<T extends ClientOptions = ClientOptions> extends Omit<RequestInit, 'body' | 'headers' | 'method'>, CoreConfig {
    /**
     * Base URL for all requests made by this client.
     */
    baseUrl?: T['baseUrl'];
    /**
     * Fetch API implementation. You can use this option to provide a custom
     * fetch instance.
     *
     * @default globalThis.fetch
     */
    fetch?: typeof fetch;
    /**
     * Please don't use the Fetch client for Next.js applications. The `next`
     * options won't have any effect.
     *
     * Install {@link https://www.npmjs.com/package/@hey-api/client-next `@hey-api/client-next`} instead.
     */
    next?: never;
    /**
     * Return the response data parsed in a specified format. By default, `auto`
     * will infer the appropriate method from the `Content-Type` response header.
     * You can override this behavior with any of the {@link Body} methods.
     * Select `stream` if you don't want to parse response data at all.
     *
     * @default 'auto'
     */
    parseAs?: 'arrayBuffer' | 'auto' | 'blob' | 'formData' | 'json' | 'stream' | 'text';
    /**
     * Should we return only data or multiple fields (data, error, response, etc.)?
     *
     * @default 'fields'
     */
    responseStyle?: ResponseStyle;
    /**
     * Throw an error instead of returning it in the response?
     *
     * @default false
     */
    throwOnError?: T['throwOnError'];
}
export interface RequestOptions<TData = unknown, TResponseStyle extends ResponseStyle = 'fields', ThrowOnError extends boolean = boolean, Url extends string = string> extends Config<{
    responseStyle: TResponseStyle;
    throwOnError: ThrowOnError;
}>, Pick<ServerSentEventsOptions<TData>, 'onRequest' | 'onSseError' | 'onSseEvent' | 'sseDefaultRetryDelay' | 'sseMaxRetryAttempts' | 'sseMaxRetryDelay'> {
    /**
     * Any body that you want to add to your request.
     *
     * {@link https://developer.mozilla.org/docs/Web/API/fetch#body}
     */
    body?: unknown;
    path?: Record<string, unknown>;
    query?: Record<string, unknown>;
    /**
     * Security mechanism(s) to use for the request.
     */
    security?: ReadonlyArray<Auth>;
    url: Url;
}
export interface ResolvedRequestOptions<TResponseStyle extends ResponseStyle = 'fields', ThrowOnError extends boolean = boolean, Url extends string = string> extends RequestOptions<unknown, TResponseStyle, ThrowOnError, Url> {
    serializedBody?: string;
}
export type RequestResult<TData = unknown, TError = unknown, ThrowOnError extends boolean = boolean, TResponseStyle extends ResponseStyle = 'fields'> = ThrowOnError extends true ? Promise<TResponseStyle extends 'data' ? TData extends Record<string, unknown> ? TData[keyof TData] : TData : {
    data: TData extends Record<string, unknown> ? TData[keyof TData] : TData;
    request: Request;
    response: Response;
}> : Promise<TResponseStyle extends 'data' ? (TData extends Record<string, unknown> ? TData[keyof TData] : TData) | undefined : ({
    data: TData extends Record<string, unknown> ? TData[keyof TData] : TData;
    error: undefined;
} | {
    data: undefined;
    error: TError extends Record<string, unknown> ? TError[keyof TError] : TError;
}) & {
    request: Request;
    response: Response;
}>;
export interface ClientOptions {
    baseUrl?: string;
    responseStyle?: ResponseStyle;
    throwOnError?: boolean;
}
type MethodFn = <TData = unknown, TError = unknown, ThrowOnError extends boolean = false, TResponseStyle extends ResponseStyle = 'fields'>(options: Omit<RequestOptions<TData, TResponseStyle, ThrowOnError>, 'method'>) => RequestResult<TData, TError, ThrowOnError, TResponseStyle>;
type SseFn = <TData = unknown, TError = unknown, ThrowOnError extends boolean = false, TResponseStyle extends ResponseStyle = 'fields'>(options: Omit<RequestOptions<TData, TResponseStyle, ThrowOnError>, 'method'>) => Promise<ServerSentEventsResult<TData, TError>>;
type RequestFn = <TData = unknown, TError = unknown, ThrowOnError extends boolean = false, TResponseStyle extends ResponseStyle = 'fields'>(options: Omit<RequestOptions<TData, TResponseStyle, ThrowOnError>, 'method'> & Pick<Required<RequestOptions<TData, TResponseStyle, ThrowOnError>>, 'method'>) => RequestResult<TData, TError, ThrowOnError, TResponseStyle>;
type BuildUrlFn = <TData extends {
    body?: unknown;
    path?: Record<string, unknown>;
    query?: Record<string, unknown>;
    url: string;
}>(options: TData & Options<TData>) => string;
export type Client = CoreClient<RequestFn, Config, MethodFn, BuildUrlFn, SseFn> & {
    interceptors: Middleware<Request, Response, unknown, ResolvedRequestOptions>;
};
/**
 * The `createClientConfig()` function will be called on client initialization
 * and the returned object will become the client's initial configuration.
 *
 * You may want to initialize your client this way instead of calling
 * `setConfig()`. This is useful for example if you're using Next.js
 * to ensure your client always has the correct values.
 */
export type CreateClientConfig<T extends ClientOptions = ClientOptions> = (override?: Config<ClientOptions & T>) => Config<Required<ClientOptions> & T> | Promise<Config<Required<ClientOptions> & T>>;
export interface TDataShape {
    body?: unknown;
    headers?: unknown;
    path?: unknown;
    query?: unknown;
    url: string;
}
type OmitKeys<T, K> = Pick<T, Exclude<keyof T, K>>;
export type Options<TData extends TDataShape = TDataShape, ThrowOnError extends boolean = boolean, TResponse = unknown, TResponseStyle extends ResponseStyle = 'fields'> = OmitKeys<RequestOptions<TResponse, TResponseStyle, ThrowOnError>, 'body' | 'path' | 'query' | 'url'> & ([TData] extends [never] ? unknown : Omit<TData, 'url'>);
export {};