/// <reference types="node" />
import { IncomingHttpHeaders } from "http";
import { Header, SdkContext } from "../model/index.js";
export declare function date(): string;
export declare function serverMetaInfo(sdkContext: SdkContext): Header;
export declare function isBinaryContent(contentType?: string | null): boolean;
export declare function isJSON(contentType?: string | null): boolean;
export declare function dispositionFilename(headers: IncomingHttpHeaders): string | null;
export declare function contentLength(headers: IncomingHttpHeaders): number | string | null;
declare const _default: {
    date: typeof date;
    serverMetaInfo: typeof serverMetaInfo;
    isBinaryContent: typeof isBinaryContent;
    isJSON: typeof isJSON;
    dispositionFilename: typeof dispositionFilename;
    contentLength: typeof contentLength;
};
export default _default;