/**
 * Class for defining account configuration options.
 * @constructor Configuration
 * @param {Object} options - The account configuration parameters to set.
 * @see <a href="https://cloudinary.com/documentation/solution_overview#configuration_parameters"
 *  target="_new">Available configuration options</a>
 */
declare class Configuration {
    private configuration;
    constructor(options: {});
    /**
     * Initializes the configuration. This method is a convenience method that invokes both
     *  {@link Configuration#fromEnvironment|fromEnvironment()} (Node.js environment only)
     *  and {@link Configuration#fromDocument|fromDocument()}.
     *  It first tries to retrieve the configuration from the environment variable.
     *  If not available, it tries from the document meta tags.
     * @function Configuration#init
     * @return {Configuration} returns `this` for chaining
     * @see fromDocument
     * @see fromEnvironment
     */
    init(): this;
    /**
     * Set a new configuration item
     * @function Configuration#set
     * @param {string} name - the name of the item to set
     * @param {*} value - the value to be set
     * @return {Configuration}
     *
     */
    set(name: string | boolean, value: any): this;
    /**
     * Get the value of a configuration item
     * @function Configuration#get
     * @param {string} name - the name of the item to set
     * @return {*} the configuration item
     */
    get(name: string): any;
    merge(config: any): this;
    /**
     * Initialize Cloudinary from HTML meta tags.
     * @function Configuration#fromDocument
     * @return {Configuration}
     * @example <meta name="cloudinary_cloud_name" content="mycloud">
     *
     */
    fromDocument(): this;
    /**
     * Initialize Cloudinary from the `CLOUDINARY_URL` environment variable.
     *
     * This function will only run under Node.js environment.
     * @function Configuration#fromEnvironment
     * @requires Node.js
     */
    fromEnvironment(): this;
    /**
     * Create or modify the Cloudinary client configuration
     *
     * Warning: `config()` returns the actual internal configuration object. modifying it will change the configuration.
     *
     * This is a backward compatibility method. For new code, use get(), merge() etc.
     * @function Configuration#config
     * @param {hash|string|boolean} new_config
     * @param {string} new_value
     * @returns {*} configuration, or value
     *
     * @see {@link fromEnvironment} for initialization using environment variables
     * @see {@link fromDocument} for initialization using HTML meta tags
     */
    config(new_config: string, new_value: string): any;
    /**
     * Returns a copy of the configuration parameters
     * @function Configuration#toOptions
     * @returns {Object} a key:value collection of the configuration parameters
     */
    toOptions(): any;
}
export declare const CONFIG_PARAMS: string[];
export default Configuration;