/**
 * This class is used to read and process a ".env" file if it exists
 * in your project. A .env file can be used in some programming
 * ecosystems as an alternative location for environment variables,
 * including secrets.
 *
 * See https://pypi.org/project/python-dotenv/
 * See https://www.npmjs.com/package/dotenv
 *
 * Chris Joakim, 2025
 */
import { FileUtil } from "./FileUtil";
export declare class DotEnvReader {
    static FILENAME: string;
    exists: boolean;
    envVars: Object;
    names: Array<string>;
    constructor();
    /**
     * Parse the .env file into its names and values, and populate the
     * this.envVars object with them.
     */
    parseFile(fu: FileUtil, infile: string): void;
}