#include <string>

std::string guessMime(std::string ext) {
  if("123" == ext) {return "application/vnd.lotus-1-2-3";}
  if("1km" == ext) {return "application/vnd.1000minds.decision-model+xml";}
  if("3dml" == ext) {return "text/vnd.in3d.3dml";}
  if("3ds" == ext) {return "image/x-3ds";}
  if("3g2" == ext) {return "video/3gpp2";}
  if("3gp" == ext) {return "video/3gpp";}
  if("3gpp" == ext) {return "audio/3gpp";}
  if("3mf" == ext) {return "model/3mf";}
  if("7z" == ext) {return "application/x-7z-compressed";}
  if("aab" == ext) {return "application/x-authorware-bin";}
  if("aac" == ext) {return "audio/aac";}
  if("aam" == ext) {return "application/x-authorware-map";}
  if("aas" == ext) {return "application/x-authorware-seg";}
  if("abw" == ext) {return "application/x-abiword";}
  if("ac" == ext) {return "application/pkix-attr-cert";}
  if("acc" == ext) {return "application/vnd.americandynamics.acc";}
  if("ace" == ext) {return "application/x-ace-compressed";}
  if("acu" == ext) {return "application/vnd.acucobol";}
  if("acutc" == ext) {return "application/vnd.acucorp";}
  if("adp" == ext) {return "audio/adpcm";}
  if("adts" == ext) {return "audio/aac";}
  if("aep" == ext) {return "application/vnd.audiograph";}
  if("afm" == ext) {return "application/x-font-type1";}
  if("afp" == ext) {return "application/vnd.ibm.modcap";}
  if("age" == ext) {return "application/vnd.age";}
  if("ahead" == ext) {return "application/vnd.ahead.space";}
  if("ai" == ext) {return "application/postscript";}
  if("aif" == ext) {return "audio/x-aiff";}
  if("aifc" == ext) {return "audio/x-aiff";}
  if("aiff" == ext) {return "audio/x-aiff";}
  if("air" == ext) {return "application/vnd.adobe.air-application-installer-package+zip";}
  if("ait" == ext) {return "application/vnd.dvb.ait";}
  if("ami" == ext) {return "application/vnd.amiga.ami";}
  if("aml" == ext) {return "application/automationml-aml+xml";}
  if("amlx" == ext) {return "application/automationml-amlx+zip";}
  if("amr" == ext) {return "audio/amr";}
  if("apk" == ext) {return "application/vnd.android.package-archive";}
  if("apng" == ext) {return "image/apng";}
  if("appcache" == ext) {return "text/cache-manifest";}
  if("appx" == ext) {return "application/appx";}
  if("apr" == ext) {return "application/vnd.lotus-approach";}
  if("arc" == ext) {return "application/x-freearc";}
  if("arj" == ext) {return "application/x-arj";}
  if("asc" == ext) {return "application/pgp-keys";}
  if("asf" == ext) {return "video/x-ms-asf";}
  if("asm" == ext) {return "text/x-asm";}
  if("aso" == ext) {return "application/vnd.accpac.simply.aso";}
  if("asx" == ext) {return "video/x-ms-asf";}
  if("atc" == ext) {return "application/vnd.acucorp";}
  if("atom" == ext) {return "application/atom+xml";}
  if("atomcat" == ext) {return "application/atomcat+xml";}
  if("atomsvc" == ext) {return "application/atomsvc+xml";}
  if("atx" == ext) {return "application/vnd.antix.game-component";}
  if("au" == ext) {return "audio/basic";}
  if("avci" == ext) {return "image/avci";}
  if("avcs" == ext) {return "image/avcs";}
  if("avi" == ext) {return "video/x-msvideo";}
  if("avif" == ext) {return "image/avif";}
  if("aw" == ext) {return "application/applixware";}
  if("azf" == ext) {return "application/vnd.airzip.filesecure.azf";}
  if("azs" == ext) {return "application/vnd.airzip.filesecure.azs";}
  if("azv" == ext) {return "image/vnd.airzip.accelerator.azv";}
  if("azw" == ext) {return "application/vnd.amazon.ebook";}
  if("b16" == ext) {return "image/vnd.pco.b16";}
  if("bat" == ext) {return "application/x-msdownload";}
  if("bcpio" == ext) {return "application/x-bcpio";}
  if("bdf" == ext) {return "application/x-font-bdf";}
  if("bdm" == ext) {return "application/vnd.syncml.dm+wbxml";}
  if("bdoc" == ext) {return "application/bdoc";}
  if("bed" == ext) {return "application/vnd.realvnc.bed";}
  if("bh2" == ext) {return "application/vnd.fujitsu.oasysprs";}
  if("bin" == ext) {return "application/octet-stream";}
  if("blb" == ext) {return "application/x-blorb";}
  if("blorb" == ext) {return "application/x-blorb";}
  if("bmi" == ext) {return "application/vnd.bmi";}
  if("bmml" == ext) {return "application/vnd.balsamiq.bmml+xml";}
  if("bmp" == ext) {return "image/bmp";}
  if("book" == ext) {return "application/vnd.framemaker";}
  if("box" == ext) {return "application/vnd.previewsystems.box";}
  if("boz" == ext) {return "application/x-bzip2";}
  if("bpk" == ext) {return "application/octet-stream";}
  if("bsp" == ext) {return "model/vnd.valve.source.compiled-map";}
  if("btf" == ext) {return "image/prs.btif";}
  if("btif" == ext) {return "image/prs.btif";}
  if("buffer" == ext) {return "application/octet-stream";}
  if("bz" == ext) {return "application/x-bzip";}
  if("bz2" == ext) {return "application/x-bzip2";}
  if("c" == ext) {return "text/x-c";}
  if("c11amc" == ext) {return "application/vnd.cluetrust.cartomobile-config";}
  if("c11amz" == ext) {return "application/vnd.cluetrust.cartomobile-config-pkg";}
  if("c4d" == ext) {return "application/vnd.clonk.c4group";}
  if("c4f" == ext) {return "application/vnd.clonk.c4group";}
  if("c4g" == ext) {return "application/vnd.clonk.c4group";}
  if("c4p" == ext) {return "application/vnd.clonk.c4group";}
  if("c4u" == ext) {return "application/vnd.clonk.c4group";}
  if("cab" == ext) {return "application/vnd.ms-cab-compressed";}
  if("caf" == ext) {return "audio/x-caf";}
  if("cap" == ext) {return "application/vnd.tcpdump.pcap";}
  if("car" == ext) {return "application/vnd.curl.car";}
  if("cat" == ext) {return "application/vnd.ms-pki.seccat";}
  if("cb7" == ext) {return "application/x-cbr";}
  if("cba" == ext) {return "application/x-cbr";}
  if("cbr" == ext) {return "application/x-cbr";}
  if("cbt" == ext) {return "application/x-cbr";}
  if("cbz" == ext) {return "application/x-cbr";}
  if("cc" == ext) {return "text/x-c";}
  if("cco" == ext) {return "application/x-cocoa";}
  if("cct" == ext) {return "application/x-director";}
  if("ccxml" == ext) {return "application/ccxml+xml";}
  if("cdbcmsg" == ext) {return "application/vnd.contact.cmsg";}
  if("cdf" == ext) {return "application/x-netcdf";}
  if("cdfx" == ext) {return "application/cdfx+xml";}
  if("cdkey" == ext) {return "application/vnd.mediastation.cdkey";}
  if("cdmia" == ext) {return "application/cdmi-capability";}
  if("cdmic" == ext) {return "application/cdmi-container";}
  if("cdmid" == ext) {return "application/cdmi-domain";}
  if("cdmio" == ext) {return "application/cdmi-object";}
  if("cdmiq" == ext) {return "application/cdmi-queue";}
  if("cdx" == ext) {return "chemical/x-cdx";}
  if("cdxml" == ext) {return "application/vnd.chemdraw+xml";}
  if("cdy" == ext) {return "application/vnd.cinderella";}
  if("cer" == ext) {return "application/pkix-cert";}
  if("cfs" == ext) {return "application/x-cfs-compressed";}
  if("cgm" == ext) {return "image/cgm";}
  if("chat" == ext) {return "application/x-chat";}
  if("chm" == ext) {return "application/vnd.ms-htmlhelp";}
  if("chrt" == ext) {return "application/vnd.kde.kchart";}
  if("cif" == ext) {return "chemical/x-cif";}
  if("cii" == ext) {return "application/vnd.anser-web-certificate-issue-initiation";}
  if("cil" == ext) {return "application/vnd.ms-artgalry";}
  if("cjs" == ext) {return "application/node";}
  if("cla" == ext) {return "application/vnd.claymore";}
  if("class" == ext) {return "application/java-vm";}
  if("cld" == ext) {return "model/vnd.cld";}
  if("clkk" == ext) {return "application/vnd.crick.clicker.keyboard";}
  if("clkp" == ext) {return "application/vnd.crick.clicker.palette";}
  if("clkt" == ext) {return "application/vnd.crick.clicker.template";}
  if("clkw" == ext) {return "application/vnd.crick.clicker.wordbank";}
  if("clkx" == ext) {return "application/vnd.crick.clicker";}
  if("clp" == ext) {return "application/x-msclip";}
  if("cmc" == ext) {return "application/vnd.cosmocaller";}
  if("cmdf" == ext) {return "chemical/x-cmdf";}
  if("cml" == ext) {return "chemical/x-cml";}
  if("cmp" == ext) {return "application/vnd.yellowriver-custom-menu";}
  if("cmx" == ext) {return "image/x-cmx";}
  if("cod" == ext) {return "application/vnd.rim.cod";}
  if("coffee" == ext) {return "text/coffeescript";}
  if("com" == ext) {return "application/x-msdownload";}
  if("conf" == ext) {return "text/plain";}
  if("cpio" == ext) {return "application/x-cpio";}
  if("cpl" == ext) {return "application/cpl+xml";}
  if("cpp" == ext) {return "text/x-c";}
  if("cpt" == ext) {return "application/mac-compactpro";}
  if("crd" == ext) {return "application/x-mscardfile";}
  if("crl" == ext) {return "application/pkix-crl";}
  if("crt" == ext) {return "application/x-x509-ca-cert";}
  if("crx" == ext) {return "application/x-chrome-extension";}
  if("csh" == ext) {return "application/x-csh";}
  if("csl" == ext) {return "application/vnd.citationstyles.style+xml";}
  if("csml" == ext) {return "chemical/x-csml";}
  if("csp" == ext) {return "application/vnd.commonspace";}
  if("css" == ext) {return "text/css";}
  if("cst" == ext) {return "application/x-director";}
  if("csv" == ext) {return "text/csv";}
  if("cu" == ext) {return "application/cu-seeme";}
  if("curl" == ext) {return "text/vnd.curl";}
  if("cwl" == ext) {return "application/cwl";}
  if("cww" == ext) {return "application/prs.cww";}
  if("cxt" == ext) {return "application/x-director";}
  if("cxx" == ext) {return "text/x-c";}
  if("dae" == ext) {return "model/vnd.collada+xml";}
  if("daf" == ext) {return "application/vnd.mobius.daf";}
  if("dart" == ext) {return "application/vnd.dart";}
  if("dataless" == ext) {return "application/vnd.fdsn.seed";}
  if("davmount" == ext) {return "application/davmount+xml";}
  if("dbf" == ext) {return "application/vnd.dbf";}
  if("dbk" == ext) {return "application/docbook+xml";}
  if("dcr" == ext) {return "application/x-director";}
  if("dcurl" == ext) {return "text/vnd.curl.dcurl";}
  if("dd2" == ext) {return "application/vnd.oma.dd2+xml";}
  if("ddd" == ext) {return "application/vnd.fujixerox.ddd";}
  if("ddf" == ext) {return "application/vnd.syncml.dmddf+xml";}
  if("dds" == ext) {return "image/vnd.ms-dds";}
  if("deb" == ext) {return "application/octet-stream";}
  if("def" == ext) {return "text/plain";}
  if("deploy" == ext) {return "application/octet-stream";}
  if("der" == ext) {return "application/x-x509-ca-cert";}
  if("dfac" == ext) {return "application/vnd.dreamfactory";}
  if("dgc" == ext) {return "application/x-dgc-compressed";}
  if("dib" == ext) {return "image/bmp";}
  if("dic" == ext) {return "text/x-c";}
  if("dir" == ext) {return "application/x-director";}
  if("dis" == ext) {return "application/vnd.mobius.dis";}
  if("dist" == ext) {return "application/octet-stream";}
  if("distz" == ext) {return "application/octet-stream";}
  if("djv" == ext) {return "image/vnd.djvu";}
  if("djvu" == ext) {return "image/vnd.djvu";}
  if("dll" == ext) {return "application/octet-stream";}
  if("dmg" == ext) {return "application/octet-stream";}
  if("dmp" == ext) {return "application/vnd.tcpdump.pcap";}
  if("dms" == ext) {return "application/octet-stream";}
  if("dna" == ext) {return "application/vnd.dna";}
  if("doc" == ext) {return "application/msword";}
  if("docm" == ext) {return "application/vnd.ms-word.document.macroenabled.12";}
  if("docx" == ext) {return "application/vnd.openxmlformats-officedocument.wordprocessingml.document";}
  if("dot" == ext) {return "application/msword";}
  if("dotm" == ext) {return "application/vnd.ms-word.template.macroenabled.12";}
  if("dotx" == ext) {return "application/vnd.openxmlformats-officedocument.wordprocessingml.template";}
  if("dp" == ext) {return "application/vnd.osgi.dp";}
  if("dpg" == ext) {return "application/vnd.dpgraph";}
  if("dpx" == ext) {return "image/dpx";}
  if("dra" == ext) {return "audio/vnd.dra";}
  if("drle" == ext) {return "image/dicom-rle";}
  if("dsc" == ext) {return "text/prs.lines.tag";}
  if("dssc" == ext) {return "application/dssc+der";}
  if("dtb" == ext) {return "application/x-dtbook+xml";}
  if("dtd" == ext) {return "application/xml-dtd";}
  if("dts" == ext) {return "audio/vnd.dts";}
  if("dtshd" == ext) {return "audio/vnd.dts.hd";}
  if("dump" == ext) {return "application/octet-stream";}
  if("dvb" == ext) {return "video/vnd.dvb.file";}
  if("dvi" == ext) {return "application/x-dvi";}
  if("dwd" == ext) {return "application/atsc-dwd+xml";}
  if("dwf" == ext) {return "model/vnd.dwf";}
  if("dwg" == ext) {return "image/vnd.dwg";}
  if("dxf" == ext) {return "image/vnd.dxf";}
  if("dxp" == ext) {return "application/vnd.spotfire.dxp";}
  if("dxr" == ext) {return "application/x-director";}
  if("ear" == ext) {return "application/java-archive";}
  if("ecma" == ext) {return "application/ecmascript";}
  if("edm" == ext) {return "application/vnd.novadigm.edm";}
  if("edx" == ext) {return "application/vnd.novadigm.edx";}
  if("efif" == ext) {return "application/vnd.picsel";}
  if("ei6" == ext) {return "application/vnd.pg.osasli";}
  if("elc" == ext) {return "application/octet-stream";}
  if("emf" == ext) {return "image/emf";}
  if("eml" == ext) {return "message/rfc822";}
  if("emma" == ext) {return "application/emma+xml";}
  if("emz" == ext) {return "application/x-msmetafile";}
  if("eol" == ext) {return "audio/vnd.digital-winds";}
  if("eot" == ext) {return "application/vnd.ms-fontobject";}
  if("eps" == ext) {return "application/postscript";}
  if("epub" == ext) {return "application/epub+zip";}
  if("es3" == ext) {return "application/vnd.eszigno3+xml";}
  if("esa" == ext) {return "application/vnd.osgi.subsystem";}
  if("esf" == ext) {return "application/vnd.epson.esf";}
  if("et3" == ext) {return "application/vnd.eszigno3+xml";}
  if("etx" == ext) {return "text/x-setext";}
  if("eva" == ext) {return "application/x-eva";}
  if("evy" == ext) {return "application/x-envoy";}
  if("exe" == ext) {return "application/x-msdos-program";}
  if("exi" == ext) {return "application/exi";}
  if("exp" == ext) {return "application/express";}
  if("exr" == ext) {return "image/aces";}
  if("ext" == ext) {return "application/vnd.novadigm.ext";}
  if("ez" == ext) {return "application/andrew-inset";}
  if("ez2" == ext) {return "application/vnd.ezpix-album";}
  if("ez3" == ext) {return "application/vnd.ezpix-package";}
  if("f" == ext) {return "text/x-fortran";}
  if("f4v" == ext) {return "video/x-f4v";}
  if("f77" == ext) {return "text/x-fortran";}
  if("f90" == ext) {return "text/x-fortran";}
  if("fbs" == ext) {return "image/vnd.fastbidsheet";}
  if("fcdt" == ext) {return "application/vnd.adobe.formscentral.fcdt";}
  if("fcs" == ext) {return "application/vnd.isac.fcs";}
  if("fdf" == ext) {return "application/fdf";}
  if("fdt" == ext) {return "application/fdt+xml";}
  if("fg5" == ext) {return "application/vnd.fujitsu.oasysgp";}
  if("fgd" == ext) {return "application/x-director";}
  if("fh" == ext) {return "image/x-freehand";}
  if("fh4" == ext) {return "image/x-freehand";}
  if("fh5" == ext) {return "image/x-freehand";}
  if("fh7" == ext) {return "image/x-freehand";}
  if("fhc" == ext) {return "image/x-freehand";}
  if("fig" == ext) {return "application/x-xfig";}
  if("fits" == ext) {return "image/fits";}
  if("flac" == ext) {return "audio/x-flac";}
  if("fli" == ext) {return "video/x-fli";}
  if("flo" == ext) {return "application/vnd.micrografx.flo";}
  if("flv" == ext) {return "video/x-flv";}
  if("flw" == ext) {return "application/vnd.kde.kivio";}
  if("flx" == ext) {return "text/vnd.fmi.flexstor";}
  if("fly" == ext) {return "text/vnd.fly";}
  if("fm" == ext) {return "application/vnd.framemaker";}
  if("fnc" == ext) {return "application/vnd.frogans.fnc";}
  if("fo" == ext) {return "application/vnd.software602.filler.form+xml";}
  if("for" == ext) {return "text/x-fortran";}
  if("fpx" == ext) {return "image/vnd.fpx";}
  if("frame" == ext) {return "application/vnd.framemaker";}
  if("fsc" == ext) {return "application/vnd.fsc.weblaunch";}
  if("fst" == ext) {return "image/vnd.fst";}
  if("ftc" == ext) {return "application/vnd.fluxtime.clip";}
  if("fti" == ext) {return "application/vnd.anser-web-funds-transfer-initiation";}
  if("fvt" == ext) {return "video/vnd.fvt";}
  if("fxp" == ext) {return "application/vnd.adobe.fxp";}
  if("fxpl" == ext) {return "application/vnd.adobe.fxp";}
  if("fzs" == ext) {return "application/vnd.fuzzysheet";}
  if("g2w" == ext) {return "application/vnd.geoplan";}
  if("g3" == ext) {return "image/g3fax";}
  if("g3w" == ext) {return "application/vnd.geospace";}
  if("gac" == ext) {return "application/vnd.groove-account";}
  if("gam" == ext) {return "application/x-tads";}
  if("gbr" == ext) {return "application/rpki-ghostbusters";}
  if("gca" == ext) {return "application/x-gca-compressed";}
  if("gdl" == ext) {return "model/vnd.gdl";}
  if("gdoc" == ext) {return "application/vnd.google-apps.document";}
  if("ged" == ext) {return "text/vnd.familysearch.gedcom";}
  if("geo" == ext) {return "application/vnd.dynageo";}
  if("geojson" == ext) {return "application/geo+json";}
  if("gex" == ext) {return "application/vnd.geometry-explorer";}
  if("ggb" == ext) {return "application/vnd.geogebra.file";}
  if("ggt" == ext) {return "application/vnd.geogebra.tool";}
  if("ghf" == ext) {return "application/vnd.groove-help";}
  if("gif" == ext) {return "image/gif";}
  if("gim" == ext) {return "application/vnd.groove-identity-message";}
  if("glb" == ext) {return "model/gltf-binary";}
  if("gltf" == ext) {return "model/gltf+json";}
  if("gml" == ext) {return "application/gml+xml";}
  if("gmx" == ext) {return "application/vnd.gmx";}
  if("gnumeric" == ext) {return "application/x-gnumeric";}
  if("gph" == ext) {return "application/vnd.flographit";}
  if("gpx" == ext) {return "application/gpx+xml";}
  if("gqf" == ext) {return "application/vnd.grafeq";}
  if("gqs" == ext) {return "application/vnd.grafeq";}
  if("gram" == ext) {return "application/srgs";}
  if("gramps" == ext) {return "application/x-gramps-xml";}
  if("gre" == ext) {return "application/vnd.geometry-explorer";}
  if("grv" == ext) {return "application/vnd.groove-injector";}
  if("grxml" == ext) {return "application/srgs+xml";}
  if("gsf" == ext) {return "application/x-font-ghostscript";}
  if("gsheet" == ext) {return "application/vnd.google-apps.spreadsheet";}
  if("gslides" == ext) {return "application/vnd.google-apps.presentation";}
  if("gtar" == ext) {return "application/x-gtar";}
  if("gtm" == ext) {return "application/vnd.groove-tool-message";}
  if("gtw" == ext) {return "model/vnd.gtw";}
  if("gv" == ext) {return "text/vnd.graphviz";}
  if("gxf" == ext) {return "application/gxf";}
  if("gxt" == ext) {return "application/vnd.geonext";}
  if("gz" == ext) {return "application/gzip";}
  if("h" == ext) {return "text/x-c";}
  if("h261" == ext) {return "video/h261";}
  if("h263" == ext) {return "video/h263";}
  if("h264" == ext) {return "video/h264";}
  if("hal" == ext) {return "application/vnd.hal+xml";}
  if("hbci" == ext) {return "application/vnd.hbci";}
  if("hbs" == ext) {return "text/x-handlebars-template";}
  if("hdd" == ext) {return "application/x-virtualbox-hdd";}
  if("hdf" == ext) {return "application/x-hdf";}
  if("heic" == ext) {return "image/heic";}
  if("heics" == ext) {return "image/heic-sequence";}
  if("heif" == ext) {return "image/heif";}
  if("heifs" == ext) {return "image/heif-sequence";}
  if("hej2" == ext) {return "image/hej2k";}
  if("held" == ext) {return "application/atsc-held+xml";}
  if("hh" == ext) {return "text/x-c";}
  if("hjson" == ext) {return "application/hjson";}
  if("hlp" == ext) {return "application/winhlp";}
  if("hpgl" == ext) {return "application/vnd.hp-hpgl";}
  if("hpid" == ext) {return "application/vnd.hp-hpid";}
  if("hps" == ext) {return "application/vnd.hp-hps";}
  if("hqx" == ext) {return "application/mac-binhex40";}
  if("hsj2" == ext) {return "image/hsj2";}
  if("htc" == ext) {return "text/x-component";}
  if("htke" == ext) {return "application/vnd.kenameaapp";}
  if("htm" == ext) {return "text/html";}
  if("html" == ext) {return "text/html";}
  if("hvd" == ext) {return "application/vnd.yamaha.hv-dic";}
  if("hvp" == ext) {return "application/vnd.yamaha.hv-voice";}
  if("hvs" == ext) {return "application/vnd.yamaha.hv-script";}
  if("i2g" == ext) {return "application/vnd.intergeo";}
  if("icc" == ext) {return "application/vnd.iccprofile";}
  if("ice" == ext) {return "x-conference/x-cooltalk";}
  if("icm" == ext) {return "application/vnd.iccprofile";}
  if("ico" == ext) {return "image/vnd.microsoft.icon";}
  if("ics" == ext) {return "text/calendar";}
  if("ief" == ext) {return "image/ief";}
  if("ifb" == ext) {return "text/calendar";}
  if("ifm" == ext) {return "application/vnd.shana.informed.formdata";}
  if("iges" == ext) {return "model/iges";}
  if("igl" == ext) {return "application/vnd.igloader";}
  if("igm" == ext) {return "application/vnd.insors.igm";}
  if("igs" == ext) {return "model/iges";}
  if("igx" == ext) {return "application/vnd.micrografx.igx";}
  if("iif" == ext) {return "application/vnd.shana.informed.interchange";}
  if("img" == ext) {return "application/octet-stream";}
  if("imp" == ext) {return "application/vnd.accpac.simply.imp";}
  if("ims" == ext) {return "application/vnd.ms-ims";}
  if("in" == ext) {return "text/plain";}
  if("ini" == ext) {return "text/plain";}
  if("ink" == ext) {return "application/inkml+xml";}
  if("inkml" == ext) {return "application/inkml+xml";}
  if("install" == ext) {return "application/x-install-instructions";}
  if("iota" == ext) {return "application/vnd.astraea-software.iota";}
  if("ipfix" == ext) {return "application/ipfix";}
  if("ipk" == ext) {return "application/vnd.shana.informed.package";}
  if("irm" == ext) {return "application/vnd.ibm.rights-management";}
  if("irp" == ext) {return "application/vnd.irepository.package+xml";}
  if("iso" == ext) {return "application/octet-stream";}
  if("itp" == ext) {return "application/vnd.shana.informed.formtemplate";}
  if("its" == ext) {return "application/its+xml";}
  if("ivp" == ext) {return "application/vnd.immervision-ivp";}
  if("ivu" == ext) {return "application/vnd.immervision-ivu";}
  if("jad" == ext) {return "text/vnd.sun.j2me.app-descriptor";}
  if("jade" == ext) {return "text/jade";}
  if("jam" == ext) {return "application/vnd.jam";}
  if("jar" == ext) {return "application/java-archive";}
  if("jardiff" == ext) {return "application/x-java-archive-diff";}
  if("java" == ext) {return "text/x-java-source";}
  if("jhc" == ext) {return "image/jphc";}
  if("jisp" == ext) {return "application/vnd.jisp";}
  if("jls" == ext) {return "image/jls";}
  if("jlt" == ext) {return "application/vnd.hp-jlyt";}
  if("jng" == ext) {return "image/x-jng";}
  if("jnlp" == ext) {return "application/x-java-jnlp-file";}
  if("joda" == ext) {return "application/vnd.joost.joda-archive";}
  if("jp2" == ext) {return "image/jp2";}
  if("jpe" == ext) {return "image/jpeg";}
  if("jpeg" == ext) {return "image/jpeg";}
  if("jpf" == ext) {return "image/jpx";}
  if("jpg" == ext) {return "image/jpeg";}
  if("jpg2" == ext) {return "image/jp2";}
  if("jpgm" == ext) {return "image/jpm";}
  if("jpgv" == ext) {return "video/jpeg";}
  if("jph" == ext) {return "image/jph";}
  if("jpm" == ext) {return "image/jpm";}
  if("jpx" == ext) {return "image/jpx";}
  if("js" == ext) {return "application/javascript";}
  if("json" == ext) {return "application/json";}
  if("json5" == ext) {return "application/json5";}
  if("jsonld" == ext) {return "application/ld+json";}
  if("jsonml" == ext) {return "application/jsonml+json";}
  if("jsx" == ext) {return "text/jsx";}
  if("jt" == ext) {return "model/jt";}
  if("jxr" == ext) {return "image/jxr";}
  if("jxra" == ext) {return "image/jxra";}
  if("jxrs" == ext) {return "image/jxrs";}
  if("jxs" == ext) {return "image/jxs";}
  if("jxsc" == ext) {return "image/jxsc";}
  if("jxsi" == ext) {return "image/jxsi";}
  if("jxss" == ext) {return "image/jxss";}
  if("kar" == ext) {return "audio/midi";}
  if("karbon" == ext) {return "application/vnd.kde.karbon";}
  if("kdbx" == ext) {return "application/x-keepass2";}
  if("key" == ext) {return "application/vnd.apple.keynote";}
  if("kfo" == ext) {return "application/vnd.kde.kformula";}
  if("kia" == ext) {return "application/vnd.kidspiration";}
  if("kml" == ext) {return "application/vnd.google-earth.kml+xml";}
  if("kmz" == ext) {return "application/vnd.google-earth.kmz";}
  if("kne" == ext) {return "application/vnd.kinar";}
  if("knp" == ext) {return "application/vnd.kinar";}
  if("kon" == ext) {return "application/vnd.kde.kontour";}
  if("kpr" == ext) {return "application/vnd.kde.kpresenter";}
  if("kpt" == ext) {return "application/vnd.kde.kpresenter";}
  if("kpxx" == ext) {return "application/vnd.ds-keypoint";}
  if("ksp" == ext) {return "application/vnd.kde.kspread";}
  if("ktr" == ext) {return "application/vnd.kahootz";}
  if("ktx" == ext) {return "image/ktx";}
  if("ktx2" == ext) {return "image/ktx2";}
  if("ktz" == ext) {return "application/vnd.kahootz";}
  if("kwd" == ext) {return "application/vnd.kde.kword";}
  if("kwt" == ext) {return "application/vnd.kde.kword";}
  if("lasxml" == ext) {return "application/vnd.las.las+xml";}
  if("latex" == ext) {return "application/x-latex";}
  if("lbd" == ext) {return "application/vnd.llamagraphics.life-balance.desktop";}
  if("lbe" == ext) {return "application/vnd.llamagraphics.life-balance.exchange+xml";}
  if("les" == ext) {return "application/vnd.hhe.lesson-player";}
  if("less" == ext) {return "text/less";}
  if("lgr" == ext) {return "application/lgr+xml";}
  if("lha" == ext) {return "application/x-lzh-compressed";}
  if("link66" == ext) {return "application/vnd.route66.link66+xml";}
  if("list" == ext) {return "text/plain";}
  if("list3820" == ext) {return "application/vnd.ibm.modcap";}
  if("listafp" == ext) {return "application/vnd.ibm.modcap";}
  if("lnk" == ext) {return "application/x-ms-shortcut";}
  if("log" == ext) {return "text/plain";}
  if("lostxml" == ext) {return "application/lost+xml";}
  if("lrf" == ext) {return "application/octet-stream";}
  if("lrm" == ext) {return "application/vnd.ms-lrm";}
  if("ltf" == ext) {return "application/vnd.frogans.ltf";}
  if("lua" == ext) {return "text/x-lua";}
  if("luac" == ext) {return "application/x-lua-bytecode";}
  if("lvp" == ext) {return "audio/vnd.lucent.voice";}
  if("lwp" == ext) {return "application/vnd.lotus-wordpro";}
  if("lzh" == ext) {return "application/x-lzh-compressed";}
  if("m13" == ext) {return "application/x-msmediaview";}
  if("m14" == ext) {return "application/x-msmediaview";}
  if("m1v" == ext) {return "video/mpeg";}
  if("m21" == ext) {return "application/mp21";}
  if("m2a" == ext) {return "audio/mpeg";}
  if("m2v" == ext) {return "video/mpeg";}
  if("m3a" == ext) {return "audio/mpeg";}
  if("m3u" == ext) {return "audio/x-mpegurl";}
  if("m3u8" == ext) {return "application/vnd.apple.mpegurl";}
  if("m4a" == ext) {return "audio/mp4";}
  if("m4p" == ext) {return "application/mp4";}
  if("m4s" == ext) {return "video/iso.segment";}
  if("m4u" == ext) {return "video/vnd.mpegurl";}
  if("m4v" == ext) {return "video/x-m4v";}
  if("ma" == ext) {return "application/mathematica";}
  if("mads" == ext) {return "application/mads+xml";}
  if("maei" == ext) {return "application/mmt-aei+xml";}
  if("mag" == ext) {return "application/vnd.ecowin.chart";}
  if("maker" == ext) {return "application/vnd.framemaker";}
  if("man" == ext) {return "text/troff";}
  if("manifest" == ext) {return "text/cache-manifest";}
  if("map" == ext) {return "application/json";}
  if("mar" == ext) {return "application/octet-stream";}
  if("markdown" == ext) {return "text/markdown";}
  if("mathml" == ext) {return "application/mathml+xml";}
  if("mb" == ext) {return "application/mathematica";}
  if("mbk" == ext) {return "application/vnd.mobius.mbk";}
  if("mbox" == ext) {return "application/mbox";}
  if("mc1" == ext) {return "application/vnd.medcalcdata";}
  if("mcd" == ext) {return "application/vnd.mcd";}
  if("mcurl" == ext) {return "text/vnd.curl.mcurl";}
  if("md" == ext) {return "text/markdown";}
  if("mdb" == ext) {return "application/x-msaccess";}
  if("mdi" == ext) {return "image/vnd.ms-modi";}
  if("mdx" == ext) {return "text/mdx";}
  if("me" == ext) {return "text/troff";}
  if("mesh" == ext) {return "model/mesh";}
  if("meta4" == ext) {return "application/metalink4+xml";}
  if("metalink" == ext) {return "application/metalink+xml";}
  if("mets" == ext) {return "application/mets+xml";}
  if("mfm" == ext) {return "application/vnd.mfmp";}
  if("mft" == ext) {return "application/rpki-manifest";}
  if("mgp" == ext) {return "application/vnd.osgeo.mapguide.package";}
  if("mgz" == ext) {return "application/vnd.proteus.magazine";}
  if("mid" == ext) {return "audio/midi";}
  if("midi" == ext) {return "audio/midi";}
  if("mie" == ext) {return "application/x-mie";}
  if("mif" == ext) {return "application/vnd.mif";}
  if("mime" == ext) {return "message/rfc822";}
  if("mj2" == ext) {return "video/mj2";}
  if("mjp2" == ext) {return "video/mj2";}
  if("mjs" == ext) {return "text/javascript";}
  if("mk3d" == ext) {return "video/x-matroska";}
  if("mka" == ext) {return "audio/x-matroska";}
  if("mkd" == ext) {return "text/x-markdown";}
  if("mks" == ext) {return "video/x-matroska";}
  if("mkv" == ext) {return "video/x-matroska";}
  if("mlp" == ext) {return "application/vnd.dolby.mlp";}
  if("mmd" == ext) {return "application/vnd.chipnuts.karaoke-mmd";}
  if("mmf" == ext) {return "application/vnd.smaf";}
  if("mml" == ext) {return "text/mathml";}
  if("mmr" == ext) {return "image/vnd.fujixerox.edmics-mmr";}
  if("mng" == ext) {return "video/x-mng";}
  if("mny" == ext) {return "application/x-msmoney";}
  if("mobi" == ext) {return "application/x-mobipocket-ebook";}
  if("mods" == ext) {return "application/mods+xml";}
  if("mov" == ext) {return "video/quicktime";}
  if("movie" == ext) {return "video/x-sgi-movie";}
  if("mp2" == ext) {return "audio/mpeg";}
  if("mp21" == ext) {return "application/mp21";}
  if("mp2a" == ext) {return "audio/mpeg";}
  if("mp3" == ext) {return "audio/mp3";}
  if("mp4" == ext) {return "video/mp4";}
  if("mp4a" == ext) {return "audio/mp4";}
  if("mp4s" == ext) {return "application/mp4";}
  if("mp4v" == ext) {return "video/mp4";}
  if("mpc" == ext) {return "application/vnd.mophun.certificate";}
  if("mpd" == ext) {return "application/dash+xml";}
  if("mpe" == ext) {return "video/mpeg";}
  if("mpeg" == ext) {return "video/mpeg";}
  if("mpf" == ext) {return "application/media-policy-dataset+xml";}
  if("mpg" == ext) {return "video/mpeg";}
  if("mpg4" == ext) {return "video/mp4";}
  if("mpga" == ext) {return "audio/mpeg";}
  if("mpkg" == ext) {return "application/vnd.apple.installer+xml";}
  if("mpm" == ext) {return "application/vnd.blueice.multipass";}
  if("mpn" == ext) {return "application/vnd.mophun.application";}
  if("mpp" == ext) {return "application/dash-patch+xml";}
  if("mpt" == ext) {return "application/vnd.ms-project";}
  if("mpy" == ext) {return "application/vnd.ibm.minipay";}
  if("mqy" == ext) {return "application/vnd.mobius.mqy";}
  if("mrc" == ext) {return "application/marc";}
  if("mrcx" == ext) {return "application/marcxml+xml";}
  if("ms" == ext) {return "text/troff";}
  if("mscml" == ext) {return "application/mediaservercontrol+xml";}
  if("mseed" == ext) {return "application/vnd.fdsn.mseed";}
  if("mseq" == ext) {return "application/vnd.mseq";}
  if("msf" == ext) {return "application/vnd.epson.msf";}
  if("msg" == ext) {return "application/vnd.ms-outlook";}
  if("msh" == ext) {return "model/mesh";}
  if("msi" == ext) {return "application/octet-stream";}
  if("msix" == ext) {return "application/msix";}
  if("msl" == ext) {return "application/vnd.mobius.msl";}
  if("msm" == ext) {return "application/octet-stream";}
  if("msp" == ext) {return "application/octet-stream";}
  if("msty" == ext) {return "application/vnd.muvee.style";}
  if("mtl" == ext) {return "model/mtl";}
  if("mts" == ext) {return "model/vnd.mts";}
  if("mus" == ext) {return "application/vnd.musician";}
  if("musd" == ext) {return "application/mmt-usd+xml";}
  if("musicxml" == ext) {return "application/vnd.recordare.musicxml+xml";}
  if("mvb" == ext) {return "application/x-msmediaview";}
  if("mvt" == ext) {return "application/vnd.mapbox-vector-tile";}
  if("mwf" == ext) {return "application/vnd.mfer";}
  if("mxf" == ext) {return "application/mxf";}
  if("mxl" == ext) {return "application/vnd.recordare.musicxml";}
  if("mxmf" == ext) {return "audio/mobile-xmf";}
  if("mxml" == ext) {return "application/xv+xml";}
  if("mxs" == ext) {return "application/vnd.triscape.mxs";}
  if("mxu" == ext) {return "video/vnd.mpegurl";}
  if("n3" == ext) {return "text/n3";}
  if("nb" == ext) {return "application/mathematica";}
  if("nbp" == ext) {return "application/vnd.wolfram.player";}
  if("nc" == ext) {return "application/x-netcdf";}
  if("ncx" == ext) {return "application/x-dtbncx+xml";}
  if("nfo" == ext) {return "text/x-nfo";}
  if("ngdat" == ext) {return "application/vnd.nokia.n-gage.data";}
  if("nitf" == ext) {return "application/vnd.nitf";}
  if("nlu" == ext) {return "application/vnd.neurolanguage.nlu";}
  if("nml" == ext) {return "application/vnd.enliven";}
  if("nnd" == ext) {return "application/vnd.noblenet-directory";}
  if("nns" == ext) {return "application/vnd.noblenet-sealer";}
  if("nnw" == ext) {return "application/vnd.noblenet-web";}
  if("npx" == ext) {return "image/vnd.net-fpx";}
  if("nq" == ext) {return "application/n-quads";}
  if("nsc" == ext) {return "application/x-conference";}
  if("nsf" == ext) {return "application/vnd.lotus-notes";}
  if("nt" == ext) {return "application/n-triples";}
  if("ntf" == ext) {return "application/vnd.nitf";}
  if("numbers" == ext) {return "application/vnd.apple.numbers";}
  if("nzb" == ext) {return "application/x-nzb";}
  if("oa2" == ext) {return "application/vnd.fujitsu.oasys2";}
  if("oa3" == ext) {return "application/vnd.fujitsu.oasys3";}
  if("oas" == ext) {return "application/vnd.fujitsu.oasys";}
  if("obd" == ext) {return "application/x-msbinder";}
  if("obgx" == ext) {return "application/vnd.openblox.game+xml";}
  if("obj" == ext) {return "model/obj";}
  if("oda" == ext) {return "application/oda";}
  if("odb" == ext) {return "application/vnd.oasis.opendocument.database";}
  if("odc" == ext) {return "application/vnd.oasis.opendocument.chart";}
  if("odf" == ext) {return "application/vnd.oasis.opendocument.formula";}
  if("odft" == ext) {return "application/vnd.oasis.opendocument.formula-template";}
  if("odg" == ext) {return "application/vnd.oasis.opendocument.graphics";}
  if("odi" == ext) {return "application/vnd.oasis.opendocument.image";}
  if("odm" == ext) {return "application/vnd.oasis.opendocument.text-master";}
  if("odp" == ext) {return "application/vnd.oasis.opendocument.presentation";}
  if("ods" == ext) {return "application/vnd.oasis.opendocument.spreadsheet";}
  if("odt" == ext) {return "application/vnd.oasis.opendocument.text";}
  if("oga" == ext) {return "audio/ogg";}
  if("ogex" == ext) {return "model/vnd.opengex";}
  if("ogg" == ext) {return "audio/ogg";}
  if("ogv" == ext) {return "video/ogg";}
  if("ogx" == ext) {return "application/ogg";}
  if("omdoc" == ext) {return "application/omdoc+xml";}
  if("onepkg" == ext) {return "application/onenote";}
  if("onetmp" == ext) {return "application/onenote";}
  if("onetoc" == ext) {return "application/onenote";}
  if("onetoc2" == ext) {return "application/onenote";}
  if("opf" == ext) {return "application/oebps-package+xml";}
  if("opml" == ext) {return "text/x-opml";}
  if("oprc" == ext) {return "application/vnd.palm";}
  if("opus" == ext) {return "audio/ogg";}
  if("org" == ext) {return "application/vnd.lotus-organizer";}
  if("osf" == ext) {return "application/vnd.yamaha.openscoreformat";}
  if("osfpvg" == ext) {return "application/vnd.yamaha.openscoreformat.osfpvg+xml";}
  if("osm" == ext) {return "application/vnd.openstreetmap.data+xml";}
  if("otc" == ext) {return "application/vnd.oasis.opendocument.chart-template";}
  if("otf" == ext) {return "font/otf";}
  if("otg" == ext) {return "application/vnd.oasis.opendocument.graphics-template";}
  if("oth" == ext) {return "application/vnd.oasis.opendocument.text-web";}
  if("oti" == ext) {return "application/vnd.oasis.opendocument.image-template";}
  if("otp" == ext) {return "application/vnd.oasis.opendocument.presentation-template";}
  if("ots" == ext) {return "application/vnd.oasis.opendocument.spreadsheet-template";}
  if("ott" == ext) {return "application/vnd.oasis.opendocument.text-template";}
  if("ova" == ext) {return "application/x-virtualbox-ova";}
  if("ovf" == ext) {return "application/x-virtualbox-ovf";}
  if("owl" == ext) {return "application/rdf+xml";}
  if("oxps" == ext) {return "application/oxps";}
  if("oxt" == ext) {return "application/vnd.openofficeorg.extension";}
  if("p" == ext) {return "text/x-pascal";}
  if("p10" == ext) {return "application/pkcs10";}
  if("p12" == ext) {return "application/x-pkcs12";}
  if("p7b" == ext) {return "application/x-pkcs7-certificates";}
  if("p7c" == ext) {return "application/pkcs7-mime";}
  if("p7m" == ext) {return "application/pkcs7-mime";}
  if("p7r" == ext) {return "application/x-pkcs7-certreqresp";}
  if("p7s" == ext) {return "application/pkcs7-signature";}
  if("p8" == ext) {return "application/pkcs8";}
  if("pac" == ext) {return "application/x-ns-proxy-autoconfig";}
  if("pages" == ext) {return "application/vnd.apple.pages";}
  if("pas" == ext) {return "text/x-pascal";}
  if("paw" == ext) {return "application/vnd.pawaafile";}
  if("pbd" == ext) {return "application/vnd.powerbuilder6";}
  if("pbm" == ext) {return "image/x-portable-bitmap";}
  if("pcap" == ext) {return "application/vnd.tcpdump.pcap";}
  if("pcf" == ext) {return "application/x-font-pcf";}
  if("pcl" == ext) {return "application/vnd.hp-pcl";}
  if("pclxl" == ext) {return "application/vnd.hp-pclxl";}
  if("pct" == ext) {return "image/x-pict";}
  if("pcurl" == ext) {return "application/vnd.curl.pcurl";}
  if("pcx" == ext) {return "image/vnd.zbrush.pcx";}
  if("pdb" == ext) {return "application/vnd.palm";}
  if("pde" == ext) {return "text/x-processing";}
  if("pdf" == ext) {return "application/pdf";}
  if("pem" == ext) {return "application/x-x509-ca-cert";}
  if("pfa" == ext) {return "application/x-font-type1";}
  if("pfb" == ext) {return "application/x-font-type1";}
  if("pfm" == ext) {return "application/x-font-type1";}
  if("pfr" == ext) {return "application/font-tdpfr";}
  if("pfx" == ext) {return "application/x-pkcs12";}
  if("pgm" == ext) {return "image/x-portable-graymap";}
  if("pgn" == ext) {return "application/x-chess-pgn";}
  if("pgp" == ext) {return "application/pgp-encrypted";}
  if("php" == ext) {return "application/x-httpd-php";}
  if("pic" == ext) {return "image/x-pict";}
  if("pkg" == ext) {return "application/octet-stream";}
  if("pki" == ext) {return "application/pkixcmp";}
  if("pkipath" == ext) {return "application/pkix-pkipath";}
  if("pkpass" == ext) {return "application/vnd.apple.pkpass";}
  if("pl" == ext) {return "application/x-perl";}
  if("plb" == ext) {return "application/vnd.3gpp.pic-bw-large";}
  if("plc" == ext) {return "application/vnd.mobius.plc";}
  if("plf" == ext) {return "application/vnd.pocketlearn";}
  if("pls" == ext) {return "application/pls+xml";}
  if("pm" == ext) {return "application/x-perl";}
  if("pml" == ext) {return "application/vnd.ctc-posml";}
  if("png" == ext) {return "image/png";}
  if("pnm" == ext) {return "image/x-portable-anymap";}
  if("portpkg" == ext) {return "application/vnd.macports.portpkg";}
  if("pot" == ext) {return "application/vnd.ms-powerpoint";}
  if("potm" == ext) {return "application/vnd.ms-powerpoint.template.macroenabled.12";}
  if("potx" == ext) {return "application/vnd.openxmlformats-officedocument.presentationml.template";}
  if("ppam" == ext) {return "application/vnd.ms-powerpoint.addin.macroenabled.12";}
  if("ppd" == ext) {return "application/vnd.cups-ppd";}
  if("ppm" == ext) {return "image/x-portable-pixmap";}
  if("pps" == ext) {return "application/vnd.ms-powerpoint";}
  if("ppsm" == ext) {return "application/vnd.ms-powerpoint.slideshow.macroenabled.12";}
  if("ppsx" == ext) {return "application/vnd.openxmlformats-officedocument.presentationml.slideshow";}
  if("ppt" == ext) {return "application/vnd.ms-powerpoint";}
  if("pptm" == ext) {return "application/vnd.ms-powerpoint.presentation.macroenabled.12";}
  if("pptx" == ext) {return "application/vnd.openxmlformats-officedocument.presentationml.presentation";}
  if("pqa" == ext) {return "application/vnd.palm";}
  if("prc" == ext) {return "model/prc";}
  if("pre" == ext) {return "application/vnd.lotus-freelance";}
  if("prf" == ext) {return "application/pics-rules";}
  if("provx" == ext) {return "application/provenance+xml";}
  if("ps" == ext) {return "application/postscript";}
  if("psb" == ext) {return "application/vnd.3gpp.pic-bw-small";}
  if("psd" == ext) {return "image/vnd.adobe.photoshop";}
  if("psf" == ext) {return "application/x-font-linux-psf";}
  if("pskcxml" == ext) {return "application/pskc+xml";}
  if("pti" == ext) {return "image/prs.pti";}
  if("ptid" == ext) {return "application/vnd.pvi.ptid1";}
  if("pub" == ext) {return "application/x-mspublisher";}
  if("pvb" == ext) {return "application/vnd.3gpp.pic-bw-var";}
  if("pwn" == ext) {return "application/vnd.3m.post-it-notes";}
  if("pya" == ext) {return "audio/vnd.ms-playready.media.pya";}
  if("pyo" == ext) {return "model/vnd.pytha.pyox";}
  if("pyox" == ext) {return "model/vnd.pytha.pyox";}
  if("pyv" == ext) {return "video/vnd.ms-playready.media.pyv";}
  if("qam" == ext) {return "application/vnd.epson.quickanime";}
  if("qbo" == ext) {return "application/vnd.intu.qbo";}
  if("qfx" == ext) {return "application/vnd.intu.qfx";}
  if("qps" == ext) {return "application/vnd.publishare-delta-tree";}
  if("qt" == ext) {return "video/quicktime";}
  if("qwd" == ext) {return "application/vnd.quark.quarkxpress";}
  if("qwt" == ext) {return "application/vnd.quark.quarkxpress";}
  if("qxb" == ext) {return "application/vnd.quark.quarkxpress";}
  if("qxd" == ext) {return "application/vnd.quark.quarkxpress";}
  if("qxl" == ext) {return "application/vnd.quark.quarkxpress";}
  if("qxt" == ext) {return "application/vnd.quark.quarkxpress";}
  if("ra" == ext) {return "audio/x-realaudio";}
  if("ram" == ext) {return "audio/x-pn-realaudio";}
  if("raml" == ext) {return "application/raml+yaml";}
  if("rapd" == ext) {return "application/route-apd+xml";}
  if("rar" == ext) {return "application/vnd.rar";}
  if("ras" == ext) {return "image/x-cmu-raster";}
  if("rdf" == ext) {return "application/rdf+xml";}
  if("rdz" == ext) {return "application/vnd.data-vision.rdz";}
  if("relo" == ext) {return "application/p2p-overlay+xml";}
  if("rep" == ext) {return "application/vnd.businessobjects";}
  if("res" == ext) {return "application/x-dtbresource+xml";}
  if("rgb" == ext) {return "image/x-rgb";}
  if("rif" == ext) {return "application/reginfo+xml";}
  if("rip" == ext) {return "audio/vnd.rip";}
  if("ris" == ext) {return "application/x-research-info-systems";}
  if("rl" == ext) {return "application/resource-lists+xml";}
  if("rlc" == ext) {return "image/vnd.fujixerox.edmics-rlc";}
  if("rld" == ext) {return "application/resource-lists-diff+xml";}
  if("rm" == ext) {return "application/vnd.rn-realmedia";}
  if("rmi" == ext) {return "audio/midi";}
  if("rmp" == ext) {return "audio/x-pn-realaudio-plugin";}
  if("rms" == ext) {return "application/vnd.jcp.javame.midlet-rms";}
  if("rmvb" == ext) {return "application/vnd.rn-realmedia-vbr";}
  if("rnc" == ext) {return "application/relax-ng-compact-syntax";}
  if("rng" == ext) {return "application/xml";}
  if("roa" == ext) {return "application/rpki-roa";}
  if("roff" == ext) {return "text/troff";}
  if("rp9" == ext) {return "application/vnd.cloanto.rp9";}
  if("rpm" == ext) {return "application/x-redhat-package-manager";}
  if("rpss" == ext) {return "application/vnd.nokia.radio-presets";}
  if("rpst" == ext) {return "application/vnd.nokia.radio-preset";}
  if("rq" == ext) {return "application/sparql-query";}
  if("rs" == ext) {return "application/rls-services+xml";}
  if("rsat" == ext) {return "application/atsc-rsat+xml";}
  if("rsd" == ext) {return "application/rsd+xml";}
  if("rsheet" == ext) {return "application/urc-ressheet+xml";}
  if("rss" == ext) {return "application/rss+xml";}
  if("rtf" == ext) {return "text/rtf";}
  if("rtx" == ext) {return "text/richtext";}
  if("run" == ext) {return "application/x-makeself";}
  if("rusd" == ext) {return "application/route-usd+xml";}
  if("s" == ext) {return "text/x-asm";}
  if("s3m" == ext) {return "audio/s3m";}
  if("saf" == ext) {return "application/vnd.yamaha.smaf-audio";}
  if("sass" == ext) {return "text/x-sass";}
  if("sbml" == ext) {return "application/sbml+xml";}
  if("sc" == ext) {return "application/vnd.ibm.secure-container";}
  if("scd" == ext) {return "application/x-msschedule";}
  if("scm" == ext) {return "application/vnd.lotus-screencam";}
  if("scq" == ext) {return "application/scvp-cv-request";}
  if("scs" == ext) {return "application/scvp-cv-response";}
  if("scss" == ext) {return "text/x-scss";}
  if("scurl" == ext) {return "text/vnd.curl.scurl";}
  if("sda" == ext) {return "application/vnd.stardivision.draw";}
  if("sdc" == ext) {return "application/vnd.stardivision.calc";}
  if("sdd" == ext) {return "application/vnd.stardivision.impress";}
  if("sdkd" == ext) {return "application/vnd.solent.sdkm+xml";}
  if("sdkm" == ext) {return "application/vnd.solent.sdkm+xml";}
  if("sdp" == ext) {return "application/sdp";}
  if("sdw" == ext) {return "application/vnd.stardivision.writer";}
  if("sea" == ext) {return "application/x-sea";}
  if("see" == ext) {return "application/vnd.seemail";}
  if("seed" == ext) {return "application/vnd.fdsn.seed";}
  if("sema" == ext) {return "application/vnd.sema";}
  if("semd" == ext) {return "application/vnd.semd";}
  if("semf" == ext) {return "application/vnd.semf";}
  if("senmlx" == ext) {return "application/senml+xml";}
  if("sensmlx" == ext) {return "application/sensml+xml";}
  if("ser" == ext) {return "application/java-serialized-object";}
  if("setpay" == ext) {return "application/set-payment-initiation";}
  if("setreg" == ext) {return "application/set-registration-initiation";}
  if("sfs" == ext) {return "application/vnd.spotfire.sfs";}
  if("sfv" == ext) {return "text/x-sfv";}
  if("sgi" == ext) {return "image/sgi";}
  if("sgl" == ext) {return "application/vnd.stardivision.writer-global";}
  if("sgm" == ext) {return "text/sgml";}
  if("sgml" == ext) {return "text/sgml";}
  if("sh" == ext) {return "application/x-sh";}
  if("shar" == ext) {return "application/x-shar";}
  if("shex" == ext) {return "text/shex";}
  if("shf" == ext) {return "application/shf+xml";}
  if("shtml" == ext) {return "text/html";}
  if("sid" == ext) {return "image/x-mrsid-image";}
  if("sieve" == ext) {return "application/sieve";}
  if("sig" == ext) {return "application/pgp-signature";}
  if("sil" == ext) {return "audio/silk";}
  if("silo" == ext) {return "model/mesh";}
  if("sis" == ext) {return "application/vnd.symbian.install";}
  if("sisx" == ext) {return "application/vnd.symbian.install";}
  if("sit" == ext) {return "application/x-stuffit";}
  if("sitx" == ext) {return "application/x-stuffitx";}
  if("siv" == ext) {return "application/sieve";}
  if("skd" == ext) {return "application/vnd.koan";}
  if("skm" == ext) {return "application/vnd.koan";}
  if("skp" == ext) {return "application/vnd.koan";}
  if("skt" == ext) {return "application/vnd.koan";}
  if("sldm" == ext) {return "application/vnd.ms-powerpoint.slide.macroenabled.12";}
  if("sldx" == ext) {return "application/vnd.openxmlformats-officedocument.presentationml.slide";}
  if("slim" == ext) {return "text/slim";}
  if("slm" == ext) {return "text/slim";}
  if("sls" == ext) {return "application/route-s-tsid+xml";}
  if("slt" == ext) {return "application/vnd.epson.salt";}
  if("sm" == ext) {return "application/vnd.stepmania.stepchart";}
  if("smf" == ext) {return "application/vnd.stardivision.math";}
  if("smi" == ext) {return "application/smil+xml";}
  if("smil" == ext) {return "application/smil+xml";}
  if("smv" == ext) {return "video/x-smv";}
  if("smzip" == ext) {return "application/vnd.stepmania.package";}
  if("snd" == ext) {return "audio/basic";}
  if("snf" == ext) {return "application/x-font-snf";}
  if("so" == ext) {return "application/octet-stream";}
  if("spc" == ext) {return "application/x-pkcs7-certificates";}
  if("spdx" == ext) {return "text/spdx";}
  if("spf" == ext) {return "application/vnd.yamaha.smaf-phrase";}
  if("spl" == ext) {return "application/x-futuresplash";}
  if("spot" == ext) {return "text/vnd.in3d.spot";}
  if("spp" == ext) {return "application/scvp-vp-response";}
  if("spq" == ext) {return "application/scvp-vp-request";}
  if("spx" == ext) {return "audio/ogg";}
  if("sql" == ext) {return "application/sql";}
  if("src" == ext) {return "application/x-wais-source";}
  if("srt" == ext) {return "application/x-subrip";}
  if("sru" == ext) {return "application/sru+xml";}
  if("srx" == ext) {return "application/sparql-results+xml";}
  if("ssdl" == ext) {return "application/ssdl+xml";}
  if("sse" == ext) {return "application/vnd.kodak-descriptor";}
  if("ssf" == ext) {return "application/vnd.epson.ssf";}
  if("ssml" == ext) {return "application/ssml+xml";}
  if("st" == ext) {return "application/vnd.sailingtracker.track";}
  if("stc" == ext) {return "application/vnd.sun.xml.calc.template";}
  if("std" == ext) {return "application/vnd.sun.xml.draw.template";}
  if("stf" == ext) {return "application/vnd.wt.stf";}
  if("sti" == ext) {return "application/vnd.sun.xml.impress.template";}
  if("stk" == ext) {return "application/hyperstudio";}
  if("stl" == ext) {return "model/stl";}
  if("stpx" == ext) {return "model/step+xml";}
  if("stpxz" == ext) {return "model/step-xml+zip";}
  if("stpz" == ext) {return "model/step+zip";}
  if("str" == ext) {return "application/vnd.pg.format";}
  if("stw" == ext) {return "application/vnd.sun.xml.writer.template";}
  if("styl" == ext) {return "text/stylus";}
  if("stylus" == ext) {return "text/stylus";}
  if("sub" == ext) {return "text/vnd.dvb.subtitle";}
  if("sus" == ext) {return "application/vnd.sus-calendar";}
  if("susp" == ext) {return "application/vnd.sus-calendar";}
  if("sv4cpio" == ext) {return "application/x-sv4cpio";}
  if("sv4crc" == ext) {return "application/x-sv4crc";}
  if("svc" == ext) {return "application/vnd.dvb.service";}
  if("svd" == ext) {return "application/vnd.svd";}
  if("svg" == ext) {return "image/svg+xml";}
  if("svgz" == ext) {return "image/svg+xml";}
  if("swa" == ext) {return "application/x-director";}
  if("swf" == ext) {return "application/x-shockwave-flash";}
  if("swi" == ext) {return "application/vnd.aristanetworks.swi";}
  if("swidtag" == ext) {return "application/swid+xml";}
  if("sxc" == ext) {return "application/vnd.sun.xml.calc";}
  if("sxd" == ext) {return "application/vnd.sun.xml.draw";}
  if("sxg" == ext) {return "application/vnd.sun.xml.writer.global";}
  if("sxi" == ext) {return "application/vnd.sun.xml.impress";}
  if("sxm" == ext) {return "application/vnd.sun.xml.math";}
  if("sxw" == ext) {return "application/vnd.sun.xml.writer";}
  if("t" == ext) {return "text/troff";}
  if("t3" == ext) {return "application/x-t3vm-image";}
  if("t38" == ext) {return "image/t38";}
  if("taglet" == ext) {return "application/vnd.mynfc";}
  if("tao" == ext) {return "application/vnd.tao.intent-module-archive";}
  if("tap" == ext) {return "image/vnd.tencent.tap";}
  if("tar" == ext) {return "application/x-tar";}
  if("tcap" == ext) {return "application/vnd.3gpp2.tcap";}
  if("tcl" == ext) {return "application/x-tcl";}
  if("td" == ext) {return "application/urc-targetdesc+xml";}
  if("teacher" == ext) {return "application/vnd.smart.teacher";}
  if("tei" == ext) {return "application/tei+xml";}
  if("tex" == ext) {return "application/x-tex";}
  if("texi" == ext) {return "application/x-texinfo";}
  if("texinfo" == ext) {return "application/x-texinfo";}
  if("text" == ext) {return "text/plain";}
  if("tfi" == ext) {return "application/thraud+xml";}
  if("tfm" == ext) {return "application/x-tex-tfm";}
  if("tfx" == ext) {return "image/tiff-fx";}
  if("tga" == ext) {return "image/x-tga";}
  if("thmx" == ext) {return "application/vnd.ms-officetheme";}
  if("tif" == ext) {return "image/tiff";}
  if("tiff" == ext) {return "image/tiff";}
  if("tk" == ext) {return "application/x-tcl";}
  if("tmo" == ext) {return "application/vnd.tmobile-livetv";}
  if("toml" == ext) {return "application/toml";}
  if("torrent" == ext) {return "application/x-bittorrent";}
  if("tpl" == ext) {return "application/vnd.groove-tool-template";}
  if("tpt" == ext) {return "application/vnd.trid.tpt";}
  if("tr" == ext) {return "text/troff";}
  if("tra" == ext) {return "application/vnd.trueapp";}
  if("trig" == ext) {return "application/trig";}
  if("trm" == ext) {return "application/x-msterminal";}
  if("ts" == ext) {return "video/mp2t";}
  if("tsd" == ext) {return "application/timestamped-data";}
  if("tsv" == ext) {return "text/tab-separated-values";}
  if("ttc" == ext) {return "font/collection";}
  if("ttf" == ext) {return "font/ttf";}
  if("ttl" == ext) {return "text/turtle";}
  if("ttml" == ext) {return "application/ttml+xml";}
  if("twd" == ext) {return "application/vnd.simtech-mindmapper";}
  if("twds" == ext) {return "application/vnd.simtech-mindmapper";}
  if("txd" == ext) {return "application/vnd.genomatix.tuxedo";}
  if("txf" == ext) {return "application/vnd.mobius.txf";}
  if("txt" == ext) {return "text/plain";}
  if("u32" == ext) {return "application/x-authorware-bin";}
  if("u3d" == ext) {return "model/u3d";}
  if("u8dsn" == ext) {return "message/global-delivery-status";}
  if("u8hdr" == ext) {return "message/global-headers";}
  if("u8mdn" == ext) {return "message/global-disposition-notification";}
  if("u8msg" == ext) {return "message/global";}
  if("ubj" == ext) {return "application/ubjson";}
  if("udeb" == ext) {return "application/x-debian-package";}
  if("ufd" == ext) {return "application/vnd.ufdl";}
  if("ufdl" == ext) {return "application/vnd.ufdl";}
  if("ulx" == ext) {return "application/x-glulx";}
  if("umj" == ext) {return "application/vnd.umajin";}
  if("unityweb" == ext) {return "application/vnd.unity";}
  if("uo" == ext) {return "application/vnd.uoml+xml";}
  if("uoml" == ext) {return "application/vnd.uoml+xml";}
  if("uri" == ext) {return "text/uri-list";}
  if("uris" == ext) {return "text/uri-list";}
  if("urls" == ext) {return "text/uri-list";}
  if("usda" == ext) {return "model/vnd.usda";}
  if("usdz" == ext) {return "model/vnd.usdz+zip";}
  if("ustar" == ext) {return "application/x-ustar";}
  if("utz" == ext) {return "application/vnd.uiq.theme";}
  if("uu" == ext) {return "text/x-uuencode";}
  if("uva" == ext) {return "audio/vnd.dece.audio";}
  if("uvd" == ext) {return "application/vnd.dece.data";}
  if("uvf" == ext) {return "application/vnd.dece.data";}
  if("uvg" == ext) {return "image/vnd.dece.graphic";}
  if("uvh" == ext) {return "video/vnd.dece.hd";}
  if("uvi" == ext) {return "image/vnd.dece.graphic";}
  if("uvm" == ext) {return "video/vnd.dece.mobile";}
  if("uvp" == ext) {return "video/vnd.dece.pd";}
  if("uvs" == ext) {return "video/vnd.dece.sd";}
  if("uvt" == ext) {return "application/vnd.dece.ttml+xml";}
  if("uvu" == ext) {return "video/vnd.uvvu.mp4";}
  if("uvv" == ext) {return "video/vnd.dece.video";}
  if("uvva" == ext) {return "audio/vnd.dece.audio";}
  if("uvvd" == ext) {return "application/vnd.dece.data";}
  if("uvvf" == ext) {return "application/vnd.dece.data";}
  if("uvvg" == ext) {return "image/vnd.dece.graphic";}
  if("uvvh" == ext) {return "video/vnd.dece.hd";}
  if("uvvi" == ext) {return "image/vnd.dece.graphic";}
  if("uvvm" == ext) {return "video/vnd.dece.mobile";}
  if("uvvp" == ext) {return "video/vnd.dece.pd";}
  if("uvvs" == ext) {return "video/vnd.dece.sd";}
  if("uvvt" == ext) {return "application/vnd.dece.ttml+xml";}
  if("uvvu" == ext) {return "video/vnd.uvvu.mp4";}
  if("uvvv" == ext) {return "video/vnd.dece.video";}
  if("uvvx" == ext) {return "application/vnd.dece.unspecified";}
  if("uvvz" == ext) {return "application/vnd.dece.zip";}
  if("uvx" == ext) {return "application/vnd.dece.unspecified";}
  if("uvz" == ext) {return "application/vnd.dece.zip";}
  if("vbox" == ext) {return "application/x-virtualbox-vbox";}
  if("vcard" == ext) {return "text/vcard";}
  if("vcd" == ext) {return "application/x-cdlink";}
  if("vcf" == ext) {return "text/x-vcard";}
  if("vcg" == ext) {return "application/vnd.groove-vcard";}
  if("vcs" == ext) {return "text/x-vcalendar";}
  if("vcx" == ext) {return "application/vnd.vcx";}
  if("vdi" == ext) {return "application/x-virtualbox-vdi";}
  if("vds" == ext) {return "model/vnd.sap.vds";}
  if("vhd" == ext) {return "application/x-virtualbox-vhd";}
  if("vis" == ext) {return "application/vnd.visionary";}
  if("viv" == ext) {return "video/vnd.vivo";}
  if("vmdk" == ext) {return "application/x-virtualbox-vmdk";}
  if("vob" == ext) {return "video/x-ms-vob";}
  if("vor" == ext) {return "application/vnd.stardivision.writer";}
  if("vox" == ext) {return "application/x-authorware-bin";}
  if("vrml" == ext) {return "model/vrml";}
  if("vsd" == ext) {return "application/vnd.visio";}
  if("vsf" == ext) {return "application/vnd.vsf";}
  if("vss" == ext) {return "application/vnd.visio";}
  if("vst" == ext) {return "application/vnd.visio";}
  if("vsw" == ext) {return "application/vnd.visio";}
  if("vtf" == ext) {return "image/vnd.valve.source.texture";}
  if("vtt" == ext) {return "text/vtt";}
  if("vtu" == ext) {return "model/vnd.vtu";}
  if("vxml" == ext) {return "application/voicexml+xml";}
  if("w3d" == ext) {return "application/x-director";}
  if("wad" == ext) {return "application/x-doom";}
  if("wadl" == ext) {return "application/vnd.sun.wadl+xml";}
  if("war" == ext) {return "application/java-archive";}
  if("wasm" == ext) {return "application/wasm";}
  if("wav" == ext) {return "audio/wav";}
  if("wax" == ext) {return "audio/x-ms-wax";}
  if("wbmp" == ext) {return "image/vnd.wap.wbmp";}
  if("wbs" == ext) {return "application/vnd.criticaltools.wbs+xml";}
  if("wbxml" == ext) {return "application/vnd.wap.wbxml";}
  if("wcm" == ext) {return "application/vnd.ms-works";}
  if("wdb" == ext) {return "application/vnd.ms-works";}
  if("wdp" == ext) {return "image/vnd.ms-photo";}
  if("weba" == ext) {return "audio/webm";}
  if("webapp" == ext) {return "application/x-web-app-manifest+json";}
  if("webm" == ext) {return "video/webm";}
  if("webp" == ext) {return "image/webp";}
  if("wg" == ext) {return "application/vnd.pmi.widget";}
  if("wgsl" == ext) {return "text/wgsl";}
  if("wgt" == ext) {return "application/widget";}
  if("wif" == ext) {return "application/watcherinfo+xml";}
  if("wks" == ext) {return "application/vnd.ms-works";}
  if("wm" == ext) {return "video/x-ms-wm";}
  if("wma" == ext) {return "audio/x-ms-wma";}
  if("wmd" == ext) {return "application/x-ms-wmd";}
  if("wmf" == ext) {return "image/wmf";}
  if("wml" == ext) {return "text/vnd.wap.wml";}
  if("wmlc" == ext) {return "application/vnd.wap.wmlc";}
  if("wmls" == ext) {return "text/vnd.wap.wmlscript";}
  if("wmlsc" == ext) {return "application/vnd.wap.wmlscriptc";}
  if("wmv" == ext) {return "video/x-ms-wmv";}
  if("wmx" == ext) {return "video/x-ms-wmx";}
  if("wmz" == ext) {return "application/x-ms-wmz";}
  if("woff" == ext) {return "font/woff";}
  if("woff2" == ext) {return "font/woff2";}
  if("wpd" == ext) {return "application/vnd.wordperfect";}
  if("wpl" == ext) {return "application/vnd.ms-wpl";}
  if("wps" == ext) {return "application/vnd.ms-works";}
  if("wqd" == ext) {return "application/vnd.wqd";}
  if("wri" == ext) {return "application/x-mswrite";}
  if("wrl" == ext) {return "model/vrml";}
  if("wsc" == ext) {return "message/vnd.wfa.wsc";}
  if("wsdl" == ext) {return "application/wsdl+xml";}
  if("wspolicy" == ext) {return "application/wspolicy+xml";}
  if("wtb" == ext) {return "application/vnd.webturbo";}
  if("wvx" == ext) {return "video/x-ms-wvx";}
  if("x32" == ext) {return "application/x-authorware-bin";}
  if("x3d" == ext) {return "model/x3d+xml";}
  if("x3db" == ext) {return "model/x3d+binary";}
  if("x3dbz" == ext) {return "model/x3d+binary";}
  if("x3dv" == ext) {return "model/x3d+vrml";}
  if("x3dvz" == ext) {return "model/x3d+vrml";}
  if("x3dz" == ext) {return "model/x3d+xml";}
  if("xaml" == ext) {return "application/xaml+xml";}
  if("xap" == ext) {return "application/x-silverlight-app";}
  if("xar" == ext) {return "application/vnd.xara";}
  if("xav" == ext) {return "application/xcap-att+xml";}
  if("xbap" == ext) {return "application/x-ms-xbap";}
  if("xbd" == ext) {return "application/vnd.fujixerox.docuworks.binder";}
  if("xbm" == ext) {return "image/x-xbitmap";}
  if("xca" == ext) {return "application/xcap-caps+xml";}
  if("xcs" == ext) {return "application/calendar+xml";}
  if("xdf" == ext) {return "application/xcap-diff+xml";}
  if("xdm" == ext) {return "application/vnd.syncml.dm+xml";}
  if("xdp" == ext) {return "application/vnd.adobe.xdp+xml";}
  if("xdssc" == ext) {return "application/dssc+xml";}
  if("xdw" == ext) {return "application/vnd.fujixerox.docuworks";}
  if("xel" == ext) {return "application/xcap-el+xml";}
  if("xenc" == ext) {return "application/xenc+xml";}
  if("xer" == ext) {return "application/patch-ops-error+xml";}
  if("xfdf" == ext) {return "application/xfdf";}
  if("xfdl" == ext) {return "application/vnd.xfdl";}
  if("xht" == ext) {return "application/xhtml+xml";}
  if("xhtm" == ext) {return "application/vnd.pwg-xhtml-print+xml";}
  if("xhtml" == ext) {return "application/xhtml+xml";}
  if("xhvml" == ext) {return "application/xv+xml";}
  if("xif" == ext) {return "image/vnd.xiff";}
  if("xla" == ext) {return "application/vnd.ms-excel";}
  if("xlam" == ext) {return "application/vnd.ms-excel.addin.macroenabled.12";}
  if("xlc" == ext) {return "application/vnd.ms-excel";}
  if("xlf" == ext) {return "application/xliff+xml";}
  if("xlm" == ext) {return "application/vnd.ms-excel";}
  if("xls" == ext) {return "application/vnd.ms-excel";}
  if("xlsb" == ext) {return "application/vnd.ms-excel.sheet.binary.macroenabled.12";}
  if("xlsm" == ext) {return "application/vnd.ms-excel.sheet.macroenabled.12";}
  if("xlsx" == ext) {return "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet";}
  if("xlt" == ext) {return "application/vnd.ms-excel";}
  if("xltm" == ext) {return "application/vnd.ms-excel.template.macroenabled.12";}
  if("xltx" == ext) {return "application/vnd.openxmlformats-officedocument.spreadsheetml.template";}
  if("xlw" == ext) {return "application/vnd.ms-excel";}
  if("xm" == ext) {return "audio/xm";}
  if("xml" == ext) {return "application/xml";}
  if("xns" == ext) {return "application/xcap-ns+xml";}
  if("xo" == ext) {return "application/vnd.olpc-sugar";}
  if("xop" == ext) {return "application/xop+xml";}
  if("xpi" == ext) {return "application/x-xpinstall";}
  if("xpl" == ext) {return "application/xproc+xml";}
  if("xpm" == ext) {return "image/x-xpixmap";}
  if("xpr" == ext) {return "application/vnd.is-xpr";}
  if("xps" == ext) {return "application/vnd.ms-xpsdocument";}
  if("xpw" == ext) {return "application/vnd.intercon.formnet";}
  if("xpx" == ext) {return "application/vnd.intercon.formnet";}
  if("xsd" == ext) {return "application/xml";}
  if("xsf" == ext) {return "application/prs.xsf+xml";}
  if("xsl" == ext) {return "application/xml";}
  if("xslt" == ext) {return "application/xslt+xml";}
  if("xsm" == ext) {return "application/vnd.syncml+xml";}
  if("xspf" == ext) {return "application/xspf+xml";}
  if("xul" == ext) {return "application/vnd.mozilla.xul+xml";}
  if("xvm" == ext) {return "application/xv+xml";}
  if("xvml" == ext) {return "application/xv+xml";}
  if("xwd" == ext) {return "image/x-xwindowdump";}
  if("xyz" == ext) {return "chemical/x-xyz";}
  if("xz" == ext) {return "application/x-xz";}
  if("yaml" == ext) {return "text/yaml";}
  if("yang" == ext) {return "application/yang";}
  if("yin" == ext) {return "application/yin+xml";}
  if("yml" == ext) {return "text/yaml";}
  if("ymp" == ext) {return "text/x-suse-ymp";}
  if("z1" == ext) {return "application/x-zmachine";}
  if("z2" == ext) {return "application/x-zmachine";}
  if("z3" == ext) {return "application/x-zmachine";}
  if("z4" == ext) {return "application/x-zmachine";}
  if("z5" == ext) {return "application/x-zmachine";}
  if("z6" == ext) {return "application/x-zmachine";}
  if("z7" == ext) {return "application/x-zmachine";}
  if("z8" == ext) {return "application/x-zmachine";}
  if("zaz" == ext) {return "application/vnd.zzazz.deck+xml";}
  if("zip" == ext) {return "application/zip";}
  if("zir" == ext) {return "application/vnd.zul";}
  if("zirz" == ext) {return "application/vnd.zul";}
  if("zmm" == ext) {return "application/vnd.handheld-entertainment+xml";}
  return "application/octet-stream";
}