import { EnvConfigSettings } from '../types';
import { ConfigSettingsBuilderOptions } from './types';
export declare class EnvConfigSettingsFileLoader<TSettings extends {} = {}> {
    private baseName?;
    private _rootPathStats;
    private _rootPath;
    private _settingsFileLoader;
    private _options;
    constructor(rootPath: string, baseName?: string, options?: ConfigSettingsBuilderOptions);
    load: () => Promise<EnvConfigSettings<TSettings>>;
    private transformRawSettings;
    private tryLoadDir;
}