export declare type ENV = {
    [key: string]: string;
};
export default class EnvFile {
    private envName;
    private static get envsPath();
    private get currentEnvPath();
    private static get generatedEnvPath();
    constructor(envName: string);
    private readEnv;
    private static write;
    private writeCurrentEnv;
    getValue(key: string): Promise<string>;
    /**
     * Given a key and a value creates a new line entry as:
     * key=value
     *
     * @param key
     * @param value
     */
    setValue(key: string, value: string, overwrite?: boolean): Promise<void>;
    /**
     * Given a key name creates a new line entry as:
     * key={key_ENVNAME}
     *
     * @param key
     */
    setParametricValue(key: string): Promise<void>;
    expand(): Promise<ENV>;
    generate(): Promise<void>;
}