export declare enum HttpHeader {
    ContentType = "Content-Type",
    ContentLength = "Content-Length",
    Accept = "Accept",
    Authorization = "Authorization",
    CacheControl = "Cache-Control",
    UserAgent = "User-Agent",
    AcceptEncoding = "Accept-Encoding",
    AcceptLanguage = "Accept-Language",
    Connection = "Connection",
    Host = "Host",
    Referer = "Referer",
    Origin = "Origin",
    AccessControlAllowOrigin = "Access-Control-Allow-Origin",
    ETag = "ETag",
    IfNoneMatch = "If-None-Match"
}