import axios, { type AxiosInstance, type AxiosRequestConfig } from "axios";
declare global {
    var toonAxios: AxiosInstance | undefined;
}
export interface ToonFetchOptions extends Omit<AxiosRequestConfig, "data" | "transformResponse"> {
    /**
     * The payload to send. If `Content-Type` is `application/toon` (default when data is provided),
     * this will automatically be serialized to TOON format.
     */
    data?: any;
    /**
     * Raw body string/buffer, overrides `data` if provided.
     */
    body?: BodyInit | null;
    /**
     * Optional bearer token convenience helper.
     */
    token?: string | null | (() => string | null | undefined);
}
export interface ToonFetchResponse<T = any> {
    data: T | null;
    response: Response;
}
export interface ToonClientOptions extends ToonFetchOptions {
    baseURL?: string;
}
export declare const toonAxios: axios.AxiosInstance;
export declare function configureToonFetch(options?: ToonClientOptions): AxiosInstance;
export declare function createToonAxios(options?: ToonClientOptions): AxiosInstance;
/**
 * A wrapper around the native `fetch` API that automatically handles
 * `application/toon` content types for both request and response.
 */
export declare function toonFetch<T = any>(input: RequestInfo | URL, init?: ToonFetchOptions): Promise<ToonFetchResponse<T>>;