export default Authentication;
export type Cache = import("../utils/cache.js").default;
/**
 * @class Authentication
 * @classdesc Provides methods to handle authentication and token management with the Sonatel API Platform.
 * Utilizes caching to store tokens and optimizes API requests by reducing unnecessary network calls.
 *
 * @example
 * // Import the service
 * import Authentication from './services/Authentication.js';
 *
 * // Initialize the service using the factory method
 * const authentication = Authentication.init();
 *
 * // Use the debug method
 * (async () => {
 *   try {
 *     const { data, status } = await authentication.debug();
 *     console.log('Authentication successful:', data, 'Status:', status);
 *   } catch (error) {
 *     console.error('Authentication failed:', error.status, error.data);
 *   }
 * })();
 *
 * @typedef {import('../utils/cache.js').default} Cache
 */
declare class Authentication {
    /**
     * Factory method to initialize Authentication with the provided configuration.
     * This method retrieves the necessary configuration from convict and returns an instance.
     * @memberof Service\Authentication
     * @method init
     * @returns {Authentication} An initialized instance of Authentication.
     */
    static init(): Authentication;
    /**
     * Private constructor to prevent direct instantiation.
     * Use the {@link Authentication.init} method to create an instance.
     *
     * @param {Object} config - Configuration object for API endpoints and credentials.
     * @param {Object} config.url - URLs for production, sandbox, and pre-production environments.
     * @param {string} config.client_id - Apigee client ID.
     * @param {string} config.client_secret - Apigee client secret.
     * @param {boolean} config.onProd - Flag indicating if production environment is active.
     * @param {boolean} config.onPProd - Flag indicating if pre-production environment is active.
     */
    constructor(config: {
        url: Object;
        client_id: string;
        client_secret: string;
        onProd: boolean;
        onPProd: boolean;
    });
    /**
    * @async
    * @method debug
    * @memberof Service\Authentication
    * @description Authenticates against the Sonatel API Platform using the client credentials flow.
    * Caches the access token to reduce redundant authentication calls.
    *
    * @returns {Promise<{ access_token: string, expires_in: number, refresh_expires_in: number, token_type: string, notbefore_policy: number, session_state: string }>}
    * A promise resolving with the authentication response data and HTTP status code.
    *
    * @throws { error: string, error_description: string } Throws an error object containing the HTTP status code and response data if the authentication request fails.
    *
    * @example
    *
    * authentication.debug()
    * .then(console.log)
    * .catch(({ error_description }) => console.log(`Failed with cause ${error_description}`))
    *
    */
    debug(): Promise<{
        access_token: string;
        expires_in: number;
        refresh_expires_in: number;
        token_type: string;
        notbefore_policy: number;
        session_state: string;
    }>;
    #private;
}