import { ApiRequest, ApiResponse } from "@gongt/ts-stl-library/request/protocol";
import { Request, RequestHandler } from "express-serve-static-core";
import { RequestContext } from "./context";
import { ResponseInterface } from "./response-wrapper";
export interface ErrorHandler {
    (error: Error): void | Promise<any>;
}
export interface ExpressRequestContext<ReqType extends ApiRequest, ResType extends ApiResponse> {
    context: RequestContext<ReqType, ResType>;
}
export interface ArgumentProcessorContext<ReqType, ResType> {
    request: Request;
    response: ResponseInterface<ResType>;
}
export interface ArgumentFilter<ReqType, ResType> {
    (this: ArgumentProcessorContext<ReqType, ResType>, object: any, valueName?: string): void;
}
export interface ArgumentWorker<ReqType, ResType> {
    (this: ArgumentProcessorContext<ReqType, ResType>, object: any, valueName?: string): any;
}
export declare enum EParamType {
    TYPE_GET = 1,
    TYPE_POST = 2,
    TYPE_BODY = 3,
    TYPE_REWRITE_PATH = 4,
    TYPE_LOGIN = 5,
    TYPE_UPLOAD = 6,
    TYPE_COOKIE = 7,
    TYPE_SAFE_COOKIE = 8,
    TYPE_SESSION = 9,
}
export interface ParamType<ReqType, ResType> {
    name: string;
    from: EParamType;
    filter?: ArgumentFilter<ReqType, ResType>;
    handler?: ArgumentWorker<ReqType, ResType>;
    tsGenerateType?: string;
    middleware?: RequestHandler;
    middlewares?: RequestHandler[];
    optionalDefault?: any;
    upload?: {
        fileCount: number;
    };
}
export declare const REQUEST_CONTEXT_VAR_NAME = "__ExpressContextResponse";
export declare type EHCF_CommonReturn<ResType> = null | void | ResType | ResType & ApiResponse;
export declare type EHCF_Promise<ResType> = Promise<EHCF_CommonReturn<ResType>>;
export interface SyncEHCF<ReqType, ResType, ContextType extends RequestContext<ReqType, ResType>> {
    (context: ContextType): EHCF_CommonReturn<ResType>;
}
export interface AsyncEHCF<ReqType, ResType, ContextType extends RequestContext<ReqType, ResType>> {
    (context: ContextType): void | EHCF_Promise<ResType>;
}
export declare type EHCF<ReqType, ResType, ContextType extends RequestContext<ReqType, ResType>> = SyncEHCF<ReqType, ResType, ContextType> | AsyncEHCF<ReqType, ResType, ContextType>;