/**
 * @license
 * @preserve
 *
 * Copyright 2026 KeeeX SAS
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to do
 * so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * 
 */
import { type AxiosRequestConfig } from "axios";
import type * as typeAuth from "../types/auth.js";
/** Function to add authentication info in a request */
export type AddAuthFn<RequestData> = (axiosRequestConfig: AxiosRequestConfig<RequestData>) => Promise<void>;
/** Manage headers for authentication methods */
export declare class AuthenticationHeaders {
    #private;
    constructor(initialValues: typeAuth.AuthMethodHeaders);
    /**
     * Set the headers used when `authentication === true`.
     *
     * If a property have a `null` value, this header will be forcibly removed when applied.
     */
    setDefaultHeaders: (headers: Record<string, string | null>) => void;
    setHeaders: (authenticationMethod: string, headers: Record<string, string | null>) => void;
    /**
     * Remove some authentication headers.
     *
     * @param nullRemove - If `false` (the default), will completely delete the entry, as if it never existed.
     * If `true`, will set all known properties to `null` so that they are actively cleaned.
     */
    clearHeaders: (authenticationMethod?: string, nullRemove?: boolean) => void;
    /**
     * Apply the requested authentication method, if available.
     *
     * @param failOnMissing - If `true`, will throw an error if the requested auth method is not
     * configured.
     */
    applyHeaders: (authenticationMethod: string | boolean, axiosRequestConfig: AxiosRequestConfig, failOnMissing?: boolean) => void;
}