import { HandlerMetadata } from './HandlerMetadata';
import { ParamType } from './enum/ParamType';
import { HandlerParamOptions } from './HandlerParamOptions';
export declare class HandlerRegistry {
    private static _handlers;
    static handlers: Map<Function, Map<string, HandlerMetadata>>;
    static registerParam(type: Function, actionName: string, index: number, paramType: ParamType, expression: string, options?: HandlerParamOptions): void;
    /**
     * safe get HandlerMetadata
     *
     * @param type
     * @param actionName
     * @returns {HandlerMetadata}
     */
    static getHandler(type: Function, actionName: string): HandlerMetadata;
}