import { Logger } from './lib/logger';
export interface EnvReaderOptions {
    env_file_type: string;
    logger: Logger;
}
export declare class EnvReader {
    private _logger;
    private _env_file_type;
    constructor(options: EnvReaderOptions);
    get logger(): Logger;
    get env_file_type(): string;
    readEnvFromFile(path: string): {
        [x: string]: {
            [y: string]: string;
        };
    } | undefined;
    private _readFromProperties;
}