import { CloudFrontRequestEvent, CloudFrontRequestResult, CloudFrontResponseEvent, CloudFrontResponseResult, Context } from 'aws-lambda';
import { Origin } from './services';
import { EventType } from './types';
import { ModuleLoader } from './utils';
export type AsyncCloudFrontRequestHandler = (event: CloudFrontRequestEvent, context: Context) => Promise<CloudFrontRequestResult>;
export type AsyncCloudFrontResponseHandler = (event: CloudFrontResponseEvent, context: Context) => Promise<CloudFrontResponseResult>;
export declare class FunctionSet {
    readonly pattern: string;
    readonly distribution: string;
    private readonly log;
    readonly origin: Origin;
    readonly name: string;
    protected readonly moduleLoader: ModuleLoader;
    readonly regex: RegExp;
    viewerRequest: Annotated<AsyncCloudFrontRequestHandler>;
    originRequest: Annotated<AsyncCloudFrontRequestHandler>;
    originResponse: Annotated<AsyncCloudFrontResponseHandler>;
    viewerResponse: Annotated<AsyncCloudFrontResponseHandler>;
    constructor(pattern: string, distribution: string, log: (message: string) => void, origin?: Origin, name?: string);
    setHandler(event: EventType, path: string): Promise<void>;
    getRequestHandler(path: string): Promise<AsyncCloudFrontRequestHandler>;
    getResponseHandler(path: string): Promise<AsyncCloudFrontResponseHandler>;
    purgeLoadedFunctions(): void;
}