import { type Provider } from 'nconf';
/**
 * @class
 * @public
 * @type EnvironmentConfiguration
 */
export declare class EnvironmentConfiguration {
    private readonly nconf;
    /**
     *
     * @param {nconf} nconf the nconf object
     * @constructor
     */
    constructor(nconf: Provider);
    /**
     * Allow to retrieve a value for a particular key
     * @param {string} key the to retrieve
     * @returns the value associate with the provided key or undefined
     *
     * @public
     */
    get(key: string): any;
    /**
     * Allows to retrieve a value or a provided default value
     * @param {string} key the key to retrieve
     * @param {any} def the default value
     * @returns The value associated with the provided key of the default value
     *
     * @public
     */
    getOrDefault(key: string, def: any): any;
}