export declare enum Extensions {
    '3gp' = "video/3gpp",
    a = "application/octet-stream",
    ai = "application/postscript",
    aif = "audio/x-aiff",
    aiff = "audio/x-aiff",
    asc = "application/pgp-signature",
    asf = "video/x-ms-asf",
    asm = "text/x-asm",
    asx = "video/x-ms-asf",
    atom = "application/atom+xml",
    au = "audio/basic",
    avi = "video/x-msvideo",
    bat = "application/x-msdownload",
    bin = "application/octet-stream",
    bmp = "image/bmp",
    bz2 = "application/x-bzip2",
    c = "text/x-c",
    cab = "application/vnd.ms-cab-compressed",
    cc = "text/x-c",
    chm = "application/vnd.ms-htmlhelp",
    class = "application/octet-stream",
    com = "application/x-msdownload",
    conf = "text/plain",
    cpp = "text/x-c",
    crt = "application/x-x509-ca-cert",
    css = "text/css",
    csv = "text/csv",
    cxx = "text/x-c",
    deb = "application/x-debian-package",
    der = "application/x-x509-ca-cert",
    diff = "text/x-diff",
    djv = "image/vnd.djvu",
    djvu = "image/vnd.djvu",
    dll = "application/x-msdownload",
    dmg = "application/octet-stream",
    doc = "application/msword",
    dot = "application/msword",
    dtd = "application/xml-dtd",
    dvi = "application/x-dvi",
    ear = "application/java-archive",
    eml = "message/rfc822",
    eot = "application/vnd.ms-fontobject",
    eps = "application/postscript",
    exe = "application/x-msdownload",
    f = "text/x-fortran",
    f77 = "text/x-fortran",
    f90 = "text/x-fortran",
    flv = "video/x-flv",
    for = "text/x-fortran",
    gem = "application/octet-stream",
    gemspec = "text/x-script.ruby",
    gif = "image/gif",
    gz = "application/x-gzip",
    h = "text/x-c",
    hh = "text/x-c",
    htm = "text/html",
    html = "text/html",
    ico = "image/vnd.microsoft.icon",
    ics = "text/calendar",
    ifb = "text/calendar",
    iso = "application/octet-stream",
    jar = "application/java-archive",
    java = "text/x-java-source",
    jnlp = "application/x-java-jnlp-file",
    jpg = "image/jpeg",
    js = "application/javascript",
    json = "application/json",
    log = "text/plain",
    m3u = "audio/x-mpegurl",
    m4v = "video/mp4",
    man = "text/troff",
    mathml = "application/mathml+xml",
    mbox = "application/mbox",
    mdoc = "text/troff",
    me = "text/troff",
    mid = "audio/midi",
    midi = "audio/midi",
    mime = "message/rfc822",
    mml = "application/mathml+xml",
    mng = "video/x-mng",
    mov = "video/quicktime",
    mp3 = "audio/mpeg",
    mp4 = "video/mp4",
    mp4v = "video/mp4",
    mpeg = "video/mpeg",
    mpg = "video/mpeg",
    ms = "text/troff",
    msi = "application/x-msdownload",
    odp = "application/vnd.oasis.opendocument.presentation",
    ods = "application/vnd.oasis.opendocument.spreadsheet",
    odt = "application/vnd.oasis.opendocument.text",
    ogg = "application/ogg",
    p = "text/x-pascal",
    pas = "text/x-pascal",
    pbm = "image/x-portable-bitmap",
    pdf = "application/pdf",
    pem = "application/x-x509-ca-cert",
    pgm = "image/x-portable-graymap",
    pgp = "application/pgp-encrypted",
    pkg = "application/octet-stream",
    pl = "text/x-script.perl",
    pm = "text/x-script.perl-module",
    png = "image/png",
    pnm = "image/x-portable-anymap",
    ppm = "image/x-portable-pixmap",
    pps = "application/vnd.ms-powerpoint",
    ppt = "application/vnd.ms-powerpoint",
    ps = "application/postscript",
    psd = "image/vnd.adobe.photoshop",
    py = "text/x-script.python",
    qt = "video/quicktime",
    ra = "audio/x-pn-realaudio",
    rake = "text/x-script.ruby",
    ram = "audio/x-pn-realaudio",
    rar = "application/x-rar-compressed",
    rb = "text/x-script.ruby",
    rdf = "application/rdf+xml",
    roff = "text/troff",
    rpm = "application/x-redhat-package-manager",
    rss = "application/rss+xml",
    rtf = "application/rtf",
    ru = "text/x-script.ruby",
    s = "text/x-asm",
    sgm = "text/sgml",
    sgml = "text/sgml",
    sh = "application/x-sh",
    sig = "application/pgp-signature",
    snd = "audio/basic",
    so = "application/octet-stream",
    svg = "image/svg+xml",
    svgz = "image/svg+xml",
    swf = "application/x-shockwave-flash",
    t = "text/troff",
    tar = "application/x-tar",
    tbz = "application/x-bzip-compressed-tar",
    tcl = "application/x-tcl",
    tex = "application/x-tex",
    texi = "application/x-texinfo",
    texinfo = "application/x-texinfo",
    text = "text/plain",
    tif = "image/tiff",
    tiff = "image/tiff",
    torrent = "application/x-bittorrent",
    tr = "text/troff",
    ttf = "application/x-font-ttf",
    txt = "text/plain",
    vcf = "text/x-vcard",
    vcs = "text/x-vcalendar",
    vrml = "model/vrml",
    war = "application/java-archive",
    wav = "audio/x-wav",
    wma = "audio/x-ms-wma",
    wmv = "video/x-ms-wmv",
    wmx = "video/x-ms-wmx",
    woff = "application/x-font-woff",
    wrl = "model/vrml",
    wsdl = "application/wsdl+xml",
    xbm = "image/x-xbitmap",
    xhtml = "application/xhtml+xml",
    xls = "application/vnd.ms-excel",
    xml = "application/xml",
    xpm = "image/x-xpixmap",
    xsl = "application/xml",
    xslt = "application/xslt+xml",
    yaml = "text/yaml",
    yml = "text/yaml",
    zip = "application/zip",
}
export declare type Extension = keyof typeof Extensions;
export declare function getExtension(mimeType: string): Extension | undefined;
export declare function getContentType(ext: Extension): Extensions | undefined;