export declare enum RequestType {
    Inline = 0,
    Origin = 1,
    Mirrored = 2
}
export type PlatformRequest = new (url: RequestInfo, info?: RequestInit, original?: Request, config?: SpecConfiguration, requestType?: RequestType) => Request;
export interface SpecConfiguration {
    disableSpecProxy?: boolean;
    inlineMode?: boolean;
    percentageOfIPs?: number;
    customerKey?: string;
    disableSpecTraffic?: boolean;
    domainOverride?: string;
    splitExchangeMirroring?: boolean;
    debug?: boolean;
    localDev?: boolean;
}
export interface ExecutionContext {
    request: Request;
    waitUntil(f: Promise<any>): void;
}
export declare function specProxyProcessRequest(event: ExecutionContext, config?: SpecConfiguration, requestConstructor?: PlatformRequest): RequestData;
export declare function specProxyProcessResponse(event: ExecutionContext, req: RequestData, response: Response, config?: SpecConfiguration, requestConstructor?: PlatformRequest): Response;
export declare function specProxyProcess(event: ExecutionContext, config: SpecConfiguration, requestConstructor: PlatformRequest): Promise<Response>;
export declare function specMakeRequestWithFallback(event: ExecutionContext, request: Request, config: SpecConfiguration, requestConstructor: PlatformRequest): Promise<Response>;
export type RequestData = {
    specUrl: URL;
    originalUrl: URL;
    request: Request;
    requestBodyForResponseProcessing: ReadableStream | null;
};