import { ParamType } from "./enum/ParamType";
import { HandlerParamOptions } from "./HandlerParamOptions";
export declare class HandlerParamMetadata {
    private _type;
    private _actionName;
    private _index;
    private _returnType;
    private _paramType;
    private _expression;
    private _defaultValue;
    private _required;
    readonly required: boolean;
    readonly type: Function;
    readonly paramType: ParamType;
    readonly index: number;
    readonly expression: string;
    readonly actionName: string;
    readonly returnType: Function;
    constructor(type: Function, actionName: string, index: number, returnType: Function, paramType?: ParamType, expression?: string);
    setOptions(options?: HandlerParamOptions): void;
}