export declare enum GatewayContentType {
    Gif = "image/gif",
    Html = "text/html",
    JavaScript = "application/javascript",
    Jpeg = "image/jpeg",
    Json = "application/json",
    Png = "image/png",
    Svg = "image/svg+xml",
    Text = "text/plain",
    Tiff = "image/tiff",
    Xml = "application/xml"
}