import { Config } from './config.interface';
export declare class EasyconfigService {
    readonly sampleFile: string;
    private envConfig;
    private readonly logger;
    constructor(config?: Config);
    get(key: string): string;
    /**
     *  checks whether the used env file missed some keys
     */
    safeCheck(userEnvFile: string[], config: string): void;
    private tryGetConfigFromEnv;
}