import { ArgumentFilter, ArgumentWorker, ArgumentProcessorContext } from "./types";
import { InputHelper } from "./input-helper";
import { ValueValidatorObject, ValueSanitizerObject } from "../../value-checker/base";
import { Request } from "express-serve-static-core";
export interface OptionalDefaultFunction<ReqType, ResType> {
    (this: ArgumentProcessorContext<ReqType, ResType>, req: Request): any;
}
export declare class ParamInputHelper<ReqType, ResType> extends InputHelper<ReqType, ResType> {
    filter(fn: ArgumentFilter<ReqType, ResType> | ValueValidatorObject): this;
    optional(defaultValue?: any | OptionalDefaultFunction<ReqType, ResType>): this;
    optionalCallback(defaultValue?: OptionalDefaultFunction<ReqType, ResType>): this;
    sanitize(fn: ArgumentWorker<ReqType, ResType> | ValueSanitizerObject): this;
}
export declare class SafeParamInputHelper<ReqType, ResType> extends InputHelper<ReqType, ResType> {
}