import { Fields, Files } from 'formidable';
import { Context } from 'koa';
import 'reflect-metadata';
import { IModuleLoaderConfig, IModuleLoaderOptions } from '../Luren';
import { IHttpResponse } from './HttpResponse';
import { Constructor } from '../types/Constructor';
import { Middleware } from './Middleware';
export declare const importModules: (workDir: string, config: IModuleLoaderConfig) => Promise<any[]>;
export declare const getFileLoaderConfig: (options: IModuleLoaderOptions | undefined, defaultPath: string) => IModuleLoaderConfig;
export declare const parseFormData: (ctx: Context) => Promise<{
    fields: Fields;
    files: Files;
}>;
export declare const normalizeHeaderCase: (headers: {
    [name: string]: string;
}) => {
    [name: string]: string;
};
export declare const toRawHeader: (response: IHttpResponse) => {
    [key: string]: string;
} | undefined;
export declare const isInjectable: (constructor: Constructor) => boolean;
export declare const getClassInstance: <T = any>(constructor: Constructor) => T;
export declare const isLurenMiddleware: (val: any) => val is Middleware;
export declare const shouldHaveResponseBody: (statusCode: number) => boolean;