import { IFileLoader, ILoadedFile } from './types';
export interface ILoaderConfig {
    loaders?: Array<IFileLoader>;
    configPath?: string;
    configEnv?: string;
}
export declare class ConfigLoader {
    private loaders;
    private configPath;
    private configEnv;
    constructor({ loaders, configPath, configEnv, }?: ILoaderConfig);
    /**
     * Loads default JSON config file. This is required.
     */
    loadDefault(): Promise<ILoadedFile>;
    /**
     * Loads JSON config file based on NODE_ENV.
     */
    loadEnvironment(): Promise<ILoadedFile>;
}