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<?php
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namespace Guzzle\Http;
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/**
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 * Provides mappings of file extensions to mimetypes
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 * @link http://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x/conf/mime.types
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 */
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class Mimetypes
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{
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    /** @var self */
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    protected static $instance;
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    /** @var array Mapping of extension to mimetype */
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    protected $mimetypes = array(
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        '3dml' => 'text/vnd.in3d.3dml',
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        '3g2' => 'video/3gpp2',
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        '3gp' => 'video/3gpp',
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        '7z' => 'application/x-7z-compressed',
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        'aab' => 'application/x-authorware-bin',
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        'aac' => 'audio/x-aac',
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        'aam' => 'application/x-authorware-map',
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        'aas' => 'application/x-authorware-seg',
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        'abw' => 'application/x-abiword',
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        'ac' => 'application/pkix-attr-cert',
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        'acc' => 'application/vnd.americandynamics.acc',
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        'ace' => 'application/x-ace-compressed',
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        'acu' => 'application/vnd.acucobol',
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        'acutc' => 'application/vnd.acucorp',
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        'adp' => 'audio/adpcm',
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        'aep' => 'application/vnd.audiograph',
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        'afm' => 'application/x-font-type1',
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        'afp' => 'application/vnd.ibm.modcap',
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        'ahead' => 'application/vnd.ahead.space',
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        'ai' => 'application/postscript',
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        'aif' => 'audio/x-aiff',
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        'aifc' => 'audio/x-aiff',
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        'aiff' => 'audio/x-aiff',
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        'air' => 'application/vnd.adobe.air-application-installer-package+zip',
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        'ait' => 'application/vnd.dvb.ait',
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        'ami' => 'application/vnd.amiga.ami',
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        'apk' => 'application/vnd.android.package-archive',
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        'application' => 'application/x-ms-application',
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        'apr' => 'application/vnd.lotus-approach',
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        'asa' => 'text/plain',
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        'asax' => 'application/octet-stream',
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        'asc' => 'application/pgp-signature',
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        'ascx' => 'text/plain',
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        'asf' => 'video/x-ms-asf',
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        'ashx' => 'text/plain',
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        'asm' => 'text/x-asm',
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        'asmx' => 'text/plain',
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        'aso' => 'application/vnd.accpac.simply.aso',
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        'asp' => 'text/plain',
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        'aspx' => 'text/plain',
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        'asx' => 'video/x-ms-asf',
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        'atc' => 'application/vnd.acucorp',
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        'atom' => 'application/atom+xml',
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        'atomcat' => 'application/atomcat+xml',
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        'atomsvc' => 'application/atomsvc+xml',
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        'atx' => 'application/vnd.antix.game-component',
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        'au' => 'audio/basic',
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        'avi' => 'video/x-msvideo',
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        'aw' => 'application/applixware',
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        'axd' => 'text/plain',
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        'azf' => 'application/vnd.airzip.filesecure.azf',
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        'azs' => 'application/vnd.airzip.filesecure.azs',
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        'azw' => 'application/vnd.amazon.ebook',
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        'bat' => 'application/x-msdownload',
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        'bcpio' => 'application/x-bcpio',
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        'bdf' => 'application/x-font-bdf',
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        'bdm' => 'application/vnd.syncml.dm+wbxml',
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        'bed' => 'application/vnd.realvnc.bed',
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        'bh2' => 'application/vnd.fujitsu.oasysprs',
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        'bin' => 'application/octet-stream',
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        'bmi' => 'application/vnd.bmi',
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        'bmp' => 'image/bmp',
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        'book' => 'application/vnd.framemaker',
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        'box' => 'application/vnd.previewsystems.box',
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        'boz' => 'application/x-bzip2',
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        'bpk' => 'application/octet-stream',
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        'btif' => 'image/prs.btif',
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        'bz' => 'application/x-bzip',
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        'bz2' => 'application/x-bzip2',
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        'c' => 'text/x-c',
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        'c11amc' => 'application/vnd.cluetrust.cartomobile-config',
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        'c11amz' => 'application/vnd.cluetrust.cartomobile-config-pkg',
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        'c4d' => 'application/vnd.clonk.c4group',
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        'c4f' => 'application/vnd.clonk.c4group',
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        'c4g' => 'application/vnd.clonk.c4group',
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        'c4p' => 'application/vnd.clonk.c4group',
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        'c4u' => 'application/vnd.clonk.c4group',
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        'cab' => 'application/vnd.ms-cab-compressed',
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        'car' => 'application/vnd.curl.car',
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        'cat' => 'application/vnd.ms-pki.seccat',
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        'cc' => 'text/x-c',
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        'cct' => 'application/x-director',
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        'ccxml' => 'application/ccxml+xml',
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        'cdbcmsg' => 'application/vnd.contact.cmsg',
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        'cdf' => 'application/x-netcdf',
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        'cdkey' => 'application/vnd.mediastation.cdkey',
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        'cdmia' => 'application/cdmi-capability',
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        'cdmic' => 'application/cdmi-container',
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        'cdmid' => 'application/cdmi-domain',
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        'cdmio' => 'application/cdmi-object',
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        'cdmiq' => 'application/cdmi-queue',
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        'cdx' => 'chemical/x-cdx',
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        'cdxml' => 'application/vnd.chemdraw+xml',
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        'cdy' => 'application/vnd.cinderella',
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        'cer' => 'application/pkix-cert',
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        'cfc' => 'application/x-coldfusion',
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        'cfm' => 'application/x-coldfusion',
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        'cgm' => 'image/cgm',
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        'chat' => 'application/x-chat',
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        'chm' => 'application/vnd.ms-htmlhelp',
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        'chrt' => 'application/vnd.kde.kchart',
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        'cif' => 'chemical/x-cif',
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        'cii' => 'application/vnd.anser-web-certificate-issue-initiation',
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        'cil' => 'application/vnd.ms-artgalry',
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        'cla' => 'application/vnd.claymore',
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        'class' => 'application/java-vm',
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        'clkk' => 'application/vnd.crick.clicker.keyboard',
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        'clkp' => 'application/vnd.crick.clicker.palette',
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        'clkt' => 'application/vnd.crick.clicker.template',
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        'clkw' => 'application/vnd.crick.clicker.wordbank',
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        'clkx' => 'application/vnd.crick.clicker',
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        'clp' => 'application/x-msclip',
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        'cmc' => 'application/vnd.cosmocaller',
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        'cmdf' => 'chemical/x-cmdf',
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        'cml' => 'chemical/x-cml',
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        'cmp' => 'application/vnd.yellowriver-custom-menu',
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        'cmx' => 'image/x-cmx',
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        'cod' => 'application/vnd.rim.cod',
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        'com' => 'application/x-msdownload',
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        'conf' => 'text/plain',
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        'cpio' => 'application/x-cpio',
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        'cpp' => 'text/x-c',
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        'cpt' => 'application/mac-compactpro',
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        'crd' => 'application/x-mscardfile',
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        'crl' => 'application/pkix-crl',
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        'crt' => 'application/x-x509-ca-cert',
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        'cryptonote' => 'application/vnd.rig.cryptonote',
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        'cs' => 'text/plain',
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        'csh' => 'application/x-csh',
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        'csml' => 'chemical/x-csml',
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        'csp' => 'application/vnd.commonspace',
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        'css' => 'text/css',
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        'cst' => 'application/x-director',
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        'csv' => 'text/csv',
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        'cu' => 'application/cu-seeme',
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        'curl' => 'text/vnd.curl',
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        'cww' => 'application/prs.cww',
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        'cxt' => 'application/x-director',
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        'cxx' => 'text/x-c',
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        'dae' => 'model/vnd.collada+xml',
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        'daf' => 'application/vnd.mobius.daf',
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        'dataless' => 'application/vnd.fdsn.seed',
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        'davmount' => 'application/davmount+xml',
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        'dcr' => 'application/x-director',
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        'dcurl' => 'text/vnd.curl.dcurl',
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        'dd2' => 'application/vnd.oma.dd2+xml',
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        'ddd' => 'application/vnd.fujixerox.ddd',
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        'deb' => 'application/x-debian-package',
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        'def' => 'text/plain',
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        'deploy' => 'application/octet-stream',
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        'der' => 'application/x-x509-ca-cert',
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        'dfac' => 'application/vnd.dreamfactory',
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        'dic' => 'text/x-c',
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        'dir' => 'application/x-director',
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        'dis' => 'application/vnd.mobius.dis',
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        'dist' => 'application/octet-stream',
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        'distz' => 'application/octet-stream',
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        'djv' => 'image/vnd.djvu',
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        'djvu' => 'image/vnd.djvu',
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        'dll' => 'application/x-msdownload',
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        'dmg' => 'application/octet-stream',
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        'dms' => 'application/octet-stream',
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        'dna' => 'application/vnd.dna',
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        'doc' => 'application/msword',
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        'docm' => 'application/vnd.ms-word.document.macroenabled.12',
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        'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
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        'dot' => 'application/msword',
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        'dotm' => 'application/vnd.ms-word.template.macroenabled.12',
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        'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
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        'dp' => 'application/vnd.osgi.dp',
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        'dpg' => 'application/vnd.dpgraph',
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        'dra' => 'audio/vnd.dra',
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        'dsc' => 'text/prs.lines.tag',
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        'dssc' => 'application/dssc+der',
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        'dtb' => 'application/x-dtbook+xml',
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        'dtd' => 'application/xml-dtd',
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        'dts' => 'audio/vnd.dts',
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        'dtshd' => 'audio/vnd.dts.hd',
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        'dump' => 'application/octet-stream',
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        'dvi' => 'application/x-dvi',
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        'dwf' => 'model/vnd.dwf',
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        'dwg' => 'image/vnd.dwg',
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        'dxf' => 'image/vnd.dxf',
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        'dxp' => 'application/vnd.spotfire.dxp',
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        'dxr' => 'application/x-director',
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        'ecelp4800' => 'audio/vnd.nuera.ecelp4800',
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        'ecelp7470' => 'audio/vnd.nuera.ecelp7470',
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        'ecelp9600' => 'audio/vnd.nuera.ecelp9600',
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        'ecma' => 'application/ecmascript',
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        'edm' => 'application/vnd.novadigm.edm',
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        'edx' => 'application/vnd.novadigm.edx',
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        'efif' => 'application/vnd.picsel',
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        'ei6' => 'application/vnd.pg.osasli',
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        'elc' => 'application/octet-stream',
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        'eml' => 'message/rfc822',
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        'emma' => 'application/emma+xml',
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        'eol' => 'audio/vnd.digital-winds',
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        'eot' => 'application/vnd.ms-fontobject',
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        'eps' => 'application/postscript',
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        'epub' => 'application/epub+zip',
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        'es3' => 'application/vnd.eszigno3+xml',
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        'esf' => 'application/vnd.epson.esf',
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        'et3' => 'application/vnd.eszigno3+xml',
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        'etx' => 'text/x-setext',
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        'exe' => 'application/x-msdownload',
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        'exi' => 'application/exi',
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        'ext' => 'application/vnd.novadigm.ext',
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        'ez' => 'application/andrew-inset',
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        'ez2' => 'application/vnd.ezpix-album',
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        'ez3' => 'application/vnd.ezpix-package',
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        'f' => 'text/x-fortran',
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        'f4v' => 'video/x-f4v',
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        'f77' => 'text/x-fortran',
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        'f90' => 'text/x-fortran',
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        'fbs' => 'image/vnd.fastbidsheet',
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        'fcs' => 'application/vnd.isac.fcs',
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        'fdf' => 'application/vnd.fdf',
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        'fe_launch' => 'application/vnd.denovo.fcselayout-link',
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        'fg5' => 'application/vnd.fujitsu.oasysgp',
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        'fgd' => 'application/x-director',
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        'fh' => 'image/x-freehand',
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        'fh4' => 'image/x-freehand',
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        'fh5' => 'image/x-freehand',
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        'fh7' => 'image/x-freehand',
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        'fhc' => 'image/x-freehand',
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        'fig' => 'application/x-xfig',
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        'fli' => 'video/x-fli',
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        'flo' => 'application/vnd.micrografx.flo',
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        'flv' => 'video/x-flv',
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        'flw' => 'application/vnd.kde.kivio',
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        'flx' => 'text/vnd.fmi.flexstor',
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        'fly' => 'text/vnd.fly',
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        'fm' => 'application/vnd.framemaker',
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        'fnc' => 'application/vnd.frogans.fnc',
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        'for' => 'text/x-fortran',
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        'fpx' => 'image/vnd.fpx',
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        'frame' => 'application/vnd.framemaker',
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        'fsc' => 'application/vnd.fsc.weblaunch',
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        'fst' => 'image/vnd.fst',
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        'ftc' => 'application/vnd.fluxtime.clip',
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        'fti' => 'application/vnd.anser-web-funds-transfer-initiation',
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        'fvt' => 'video/vnd.fvt',
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        'fxp' => 'application/vnd.adobe.fxp',
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        'fxpl' => 'application/vnd.adobe.fxp',
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        'fzs' => 'application/vnd.fuzzysheet',
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        'g2w' => 'application/vnd.geoplan',
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        'g3' => 'image/g3fax',
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        'g3w' => 'application/vnd.geospace',
264
        'gac' => 'application/vnd.groove-account',
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        'gdl' => 'model/vnd.gdl',
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        'geo' => 'application/vnd.dynageo',
267
        'gex' => 'application/vnd.geometry-explorer',
268
        'ggb' => 'application/vnd.geogebra.file',
269
        'ggt' => 'application/vnd.geogebra.tool',
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        'ghf' => 'application/vnd.groove-help',
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        'gif' => 'image/gif',
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        'gim' => 'application/vnd.groove-identity-message',
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        'gmx' => 'application/vnd.gmx',
274
        'gnumeric' => 'application/x-gnumeric',
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        'gph' => 'application/vnd.flographit',
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        'gqf' => 'application/vnd.grafeq',
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        'gqs' => 'application/vnd.grafeq',
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        'gram' => 'application/srgs',
279
        'gre' => 'application/vnd.geometry-explorer',
280
        'grv' => 'application/vnd.groove-injector',
281
        'grxml' => 'application/srgs+xml',
282
        'gsf' => 'application/x-font-ghostscript',
283
        'gtar' => 'application/x-gtar',
284
        'gtm' => 'application/vnd.groove-tool-message',
285
        'gtw' => 'model/vnd.gtw',
286
        'gv' => 'text/vnd.graphviz',
287
        'gxt' => 'application/vnd.geonext',
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        'h' => 'text/x-c',
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        'h261' => 'video/h261',
290
        'h263' => 'video/h263',
291
        'h264' => 'video/h264',
292
        'hal' => 'application/vnd.hal+xml',
293
        'hbci' => 'application/vnd.hbci',
294
        'hdf' => 'application/x-hdf',
295
        'hh' => 'text/x-c',
296
        'hlp' => 'application/winhlp',
297
        'hpgl' => 'application/vnd.hp-hpgl',
298
        'hpid' => 'application/vnd.hp-hpid',
299
        'hps' => 'application/vnd.hp-hps',
300
        'hqx' => 'application/mac-binhex40',
301
        'hta' => 'application/octet-stream',
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        'htc' => 'text/html',
303
        'htke' => 'application/vnd.kenameaapp',
304
        'htm' => 'text/html',
305
        'html' => 'text/html',
306
        'hvd' => 'application/vnd.yamaha.hv-dic',
307
        'hvp' => 'application/vnd.yamaha.hv-voice',
308
        'hvs' => 'application/vnd.yamaha.hv-script',
309
        'i2g' => 'application/vnd.intergeo',
310
        'icc' => 'application/vnd.iccprofile',
311
        'ice' => 'x-conference/x-cooltalk',
312
        'icm' => 'application/vnd.iccprofile',
313
        'ico' => 'image/x-icon',
314
        'ics' => 'text/calendar',
315
        'ief' => 'image/ief',
316
        'ifb' => 'text/calendar',
317
        'ifm' => 'application/vnd.shana.informed.formdata',
318
        'iges' => 'model/iges',
319
        'igl' => 'application/vnd.igloader',
320
        'igm' => 'application/vnd.insors.igm',
321
        'igs' => 'model/iges',
322
        'igx' => 'application/vnd.micrografx.igx',
323
        'iif' => 'application/vnd.shana.informed.interchange',
324
        'imp' => 'application/vnd.accpac.simply.imp',
325
        'ims' => 'application/vnd.ms-ims',
326
        'in' => 'text/plain',
327
        'ini' => 'text/plain',
328
        'ipfix' => 'application/ipfix',
329
        'ipk' => 'application/vnd.shana.informed.package',
330
        'irm' => 'application/vnd.ibm.rights-management',
331
        'irp' => 'application/vnd.irepository.package+xml',
332
        'iso' => 'application/octet-stream',
333
        'itp' => 'application/vnd.shana.informed.formtemplate',
334
        'ivp' => 'application/vnd.immervision-ivp',
335
        'ivu' => 'application/vnd.immervision-ivu',
336
        'jad' => 'text/vnd.sun.j2me.app-descriptor',
337
        'jam' => 'application/vnd.jam',
338
        'jar' => 'application/java-archive',
339
        'java' => 'text/x-java-source',
340
        'jisp' => 'application/vnd.jisp',
341
        'jlt' => 'application/vnd.hp-jlyt',
342
        'jnlp' => 'application/x-java-jnlp-file',
343
        'joda' => 'application/vnd.joost.joda-archive',
344
        'jpe' => 'image/jpeg',
345
        'jpeg' => 'image/jpeg',
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        'jpg' => 'image/jpeg',
347
        'jpgm' => 'video/jpm',
348
        'jpgv' => 'video/jpeg',
349
        'jpm' => 'video/jpm',
350
        'js' => 'text/javascript',
351
        'json' => 'application/json',
352
        'kar' => 'audio/midi',
353
        'karbon' => 'application/vnd.kde.karbon',
354
        'kfo' => 'application/vnd.kde.kformula',
355
        'kia' => 'application/vnd.kidspiration',
356
        'kml' => 'application/vnd.google-earth.kml+xml',
357
        'kmz' => 'application/vnd.google-earth.kmz',
358
        'kne' => 'application/vnd.kinar',
359
        'knp' => 'application/vnd.kinar',
360
        'kon' => 'application/vnd.kde.kontour',
361
        'kpr' => 'application/vnd.kde.kpresenter',
362
        'kpt' => 'application/vnd.kde.kpresenter',
363
        'ksp' => 'application/vnd.kde.kspread',
364
        'ktr' => 'application/vnd.kahootz',
365
        'ktx' => 'image/ktx',
366
        'ktz' => 'application/vnd.kahootz',
367
        'kwd' => 'application/vnd.kde.kword',
368
        'kwt' => 'application/vnd.kde.kword',
369
        'lasxml' => 'application/vnd.las.las+xml',
370
        'latex' => 'application/x-latex',
371
        'lbd' => 'application/vnd.llamagraphics.life-balance.desktop',
372
        'lbe' => 'application/vnd.llamagraphics.life-balance.exchange+xml',
373
        'les' => 'application/vnd.hhe.lesson-player',
374
        'lha' => 'application/octet-stream',
375
        'link66' => 'application/vnd.route66.link66+xml',
376
        'list' => 'text/plain',
377
        'list3820' => 'application/vnd.ibm.modcap',
378
        'listafp' => 'application/vnd.ibm.modcap',
379
        'log' => 'text/plain',
380
        'lostxml' => 'application/lost+xml',
381
        'lrf' => 'application/octet-stream',
382
        'lrm' => 'application/vnd.ms-lrm',
383
        'ltf' => 'application/vnd.frogans.ltf',
384
        'lvp' => 'audio/vnd.lucent.voice',
385
        'lwp' => 'application/vnd.lotus-wordpro',
386
        'lzh' => 'application/octet-stream',
387
        'm13' => 'application/x-msmediaview',
388
        'm14' => 'application/x-msmediaview',
389
        'm1v' => 'video/mpeg',
390
        'm21' => 'application/mp21',
391
        'm2a' => 'audio/mpeg',
392
        'm2v' => 'video/mpeg',
393
        'm3a' => 'audio/mpeg',
394
        'm3u' => 'audio/x-mpegurl',
395
        'm3u8' => 'application/vnd.apple.mpegurl',
396
        'm4a' => 'audio/mp4',
397
        'm4u' => 'video/vnd.mpegurl',
398
        'm4v' => 'video/mp4',
399
        'ma' => 'application/mathematica',
400
        'mads' => 'application/mads+xml',
401
        'mag' => 'application/vnd.ecowin.chart',
402
        'maker' => 'application/vnd.framemaker',
403
        'man' => 'text/troff',
404
        'mathml' => 'application/mathml+xml',
405
        'mb' => 'application/mathematica',
406
        'mbk' => 'application/vnd.mobius.mbk',
407
        'mbox' => 'application/mbox',
408
        'mc1' => 'application/vnd.medcalcdata',
409
        'mcd' => 'application/vnd.mcd',
410
        'mcurl' => 'text/vnd.curl.mcurl',
411
        'mdb' => 'application/x-msaccess',
412
        'mdi' => 'image/vnd.ms-modi',
413
        'me' => 'text/troff',
414
        'mesh' => 'model/mesh',
415
        'meta4' => 'application/metalink4+xml',
416
        'mets' => 'application/mets+xml',
417
        'mfm' => 'application/vnd.mfmp',
418
        'mgp' => 'application/vnd.osgeo.mapguide.package',
419
        'mgz' => 'application/vnd.proteus.magazine',
420
        'mid' => 'audio/midi',
421
        'midi' => 'audio/midi',
422
        'mif' => 'application/vnd.mif',
423
        'mime' => 'message/rfc822',
424
        'mj2' => 'video/mj2',
425
        'mjp2' => 'video/mj2',
426
        'mlp' => 'application/vnd.dolby.mlp',
427
        'mmd' => 'application/vnd.chipnuts.karaoke-mmd',
428
        'mmf' => 'application/vnd.smaf',
429
        'mmr' => 'image/vnd.fujixerox.edmics-mmr',
430
        'mny' => 'application/x-msmoney',
431
        'mobi' => 'application/x-mobipocket-ebook',
432
        'mods' => 'application/mods+xml',
433
        'mov' => 'video/quicktime',
434
        'movie' => 'video/x-sgi-movie',
435
        'mp2' => 'audio/mpeg',
436
        'mp21' => 'application/mp21',
437
        'mp2a' => 'audio/mpeg',
438
        'mp3' => 'audio/mpeg',
439
        'mp4' => 'video/mp4',
440
        'mp4a' => 'audio/mp4',
441
        'mp4s' => 'application/mp4',
442
        'mp4v' => 'video/mp4',
443
        'mpc' => 'application/vnd.mophun.certificate',
444
        'mpe' => 'video/mpeg',
445
        'mpeg' => 'video/mpeg',
446
        'mpg' => 'video/mpeg',
447
        'mpg4' => 'video/mp4',
448
        'mpga' => 'audio/mpeg',
449
        'mpkg' => 'application/vnd.apple.installer+xml',
450
        'mpm' => 'application/vnd.blueice.multipass',
451
        'mpn' => 'application/vnd.mophun.application',
452
        'mpp' => 'application/vnd.ms-project',
453
        'mpt' => 'application/vnd.ms-project',
454
        'mpy' => 'application/vnd.ibm.minipay',
455
        'mqy' => 'application/vnd.mobius.mqy',
456
        'mrc' => 'application/marc',
457
        'mrcx' => 'application/marcxml+xml',
458
        'ms' => 'text/troff',
459
        'mscml' => 'application/mediaservercontrol+xml',
460
        'mseed' => 'application/vnd.fdsn.mseed',
461
        'mseq' => 'application/vnd.mseq',
462
        'msf' => 'application/vnd.epson.msf',
463
        'msh' => 'model/mesh',
464
        'msi' => 'application/x-msdownload',
465
        'msl' => 'application/vnd.mobius.msl',
466
        'msty' => 'application/vnd.muvee.style',
467
        'mts' => 'model/vnd.mts',
468
        'mus' => 'application/vnd.musician',
469
        'musicxml' => 'application/vnd.recordare.musicxml+xml',
470
        'mvb' => 'application/x-msmediaview',
471
        'mwf' => 'application/vnd.mfer',
472
        'mxf' => 'application/mxf',
473
        'mxl' => 'application/vnd.recordare.musicxml',
474
        'mxml' => 'application/xv+xml',
475
        'mxs' => 'application/vnd.triscape.mxs',
476
        'mxu' => 'video/vnd.mpegurl',
477
        'n-gage' => 'application/vnd.nokia.n-gage.symbian.install',
478
        'n3' => 'text/n3',
479
        'nb' => 'application/mathematica',
480
        'nbp' => 'application/vnd.wolfram.player',
481
        'nc' => 'application/x-netcdf',
482
        'ncx' => 'application/x-dtbncx+xml',
483
        'ngdat' => 'application/vnd.nokia.n-gage.data',
484
        'nlu' => 'application/vnd.neurolanguage.nlu',
485
        'nml' => 'application/vnd.enliven',
486
        'nnd' => 'application/vnd.noblenet-directory',
487
        'nns' => 'application/vnd.noblenet-sealer',
488
        'nnw' => 'application/vnd.noblenet-web',
489
        'npx' => 'image/vnd.net-fpx',
490
        'nsf' => 'application/vnd.lotus-notes',
491
        'oa2' => 'application/vnd.fujitsu.oasys2',
492
        'oa3' => 'application/vnd.fujitsu.oasys3',
493
        'oas' => 'application/vnd.fujitsu.oasys',
494
        'obd' => 'application/x-msbinder',
495
        'oda' => 'application/oda',
496
        'odb' => 'application/vnd.oasis.opendocument.database',
497
        'odc' => 'application/vnd.oasis.opendocument.chart',
498
        'odf' => 'application/vnd.oasis.opendocument.formula',
499
        'odft' => 'application/vnd.oasis.opendocument.formula-template',
500
        'odg' => 'application/vnd.oasis.opendocument.graphics',
501
        'odi' => 'application/vnd.oasis.opendocument.image',
502
        'odm' => 'application/vnd.oasis.opendocument.text-master',
503
        'odp' => 'application/vnd.oasis.opendocument.presentation',
504
        'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
505
        'odt' => 'application/vnd.oasis.opendocument.text',
506
        'oga' => 'audio/ogg',
507
        'ogg' => 'audio/ogg',
508
        'ogv' => 'video/ogg',
509
        'ogx' => 'application/ogg',
510
        'onepkg' => 'application/onenote',
511
        'onetmp' => 'application/onenote',
512
        'onetoc' => 'application/onenote',
513
        'onetoc2' => 'application/onenote',
514
        'opf' => 'application/oebps-package+xml',
515
        'oprc' => 'application/vnd.palm',
516
        'org' => 'application/vnd.lotus-organizer',
517
        'osf' => 'application/vnd.yamaha.openscoreformat',
518
        'osfpvg' => 'application/vnd.yamaha.openscoreformat.osfpvg+xml',
519
        'otc' => 'application/vnd.oasis.opendocument.chart-template',
520
        'otf' => 'application/x-font-otf',
521
        'otg' => 'application/vnd.oasis.opendocument.graphics-template',
522
        'oth' => 'application/vnd.oasis.opendocument.text-web',
523
        'oti' => 'application/vnd.oasis.opendocument.image-template',
524
        'otp' => 'application/vnd.oasis.opendocument.presentation-template',
525
        'ots' => 'application/vnd.oasis.opendocument.spreadsheet-template',
526
        'ott' => 'application/vnd.oasis.opendocument.text-template',
527
        'oxt' => 'application/vnd.openofficeorg.extension',
528
        'p' => 'text/x-pascal',
529
        'p10' => 'application/pkcs10',
530
        'p12' => 'application/x-pkcs12',
531
        'p7b' => 'application/x-pkcs7-certificates',
532
        'p7c' => 'application/pkcs7-mime',
533
        'p7m' => 'application/pkcs7-mime',
534
        'p7r' => 'application/x-pkcs7-certreqresp',
535
        'p7s' => 'application/pkcs7-signature',
536
        'p8' => 'application/pkcs8',
537
        'pas' => 'text/x-pascal',
538
        'paw' => 'application/vnd.pawaafile',
539
        'pbd' => 'application/vnd.powerbuilder6',
540
        'pbm' => 'image/x-portable-bitmap',
541
        'pcf' => 'application/x-font-pcf',
542
        'pcl' => 'application/vnd.hp-pcl',
543
        'pclxl' => 'application/vnd.hp-pclxl',
544
        'pct' => 'image/x-pict',
545
        'pcurl' => 'application/vnd.curl.pcurl',
546
        'pcx' => 'image/x-pcx',
547
        'pdb' => 'application/vnd.palm',
548
        'pdf' => 'application/pdf',
549
        'pfa' => 'application/x-font-type1',
550
        'pfb' => 'application/x-font-type1',
551
        'pfm' => 'application/x-font-type1',
552
        'pfr' => 'application/font-tdpfr',
553
        'pfx' => 'application/x-pkcs12',
554
        'pgm' => 'image/x-portable-graymap',
555
        'pgn' => 'application/x-chess-pgn',
556
        'pgp' => 'application/pgp-encrypted',
557
        'php' => 'text/x-php',
558
        'phps' => 'application/x-httpd-phps',
559
        'pic' => 'image/x-pict',
560
        'pkg' => 'application/octet-stream',
561
        'pki' => 'application/pkixcmp',
562
        'pkipath' => 'application/pkix-pkipath',
563
        'plb' => 'application/vnd.3gpp.pic-bw-large',
564
        'plc' => 'application/vnd.mobius.plc',
565
        'plf' => 'application/vnd.pocketlearn',
566
        'pls' => 'application/pls+xml',
567
        'pml' => 'application/vnd.ctc-posml',
568
        'png' => 'image/png',
569
        'pnm' => 'image/x-portable-anymap',
570
        'portpkg' => 'application/vnd.macports.portpkg',
571
        'pot' => 'application/vnd.ms-powerpoint',
572
        'potm' => 'application/vnd.ms-powerpoint.template.macroenabled.12',
573
        'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
574
        'ppam' => 'application/vnd.ms-powerpoint.addin.macroenabled.12',
575
        'ppd' => 'application/vnd.cups-ppd',
576
        'ppm' => 'image/x-portable-pixmap',
577
        'pps' => 'application/vnd.ms-powerpoint',
578
        'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroenabled.12',
579
        'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
580
        'ppt' => 'application/vnd.ms-powerpoint',
581
        'pptm' => 'application/vnd.ms-powerpoint.presentation.macroenabled.12',
582
        'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
583
        'pqa' => 'application/vnd.palm',
584
        'prc' => 'application/x-mobipocket-ebook',
585
        'pre' => 'application/vnd.lotus-freelance',
586
        'prf' => 'application/pics-rules',
587
        'ps' => 'application/postscript',
588
        'psb' => 'application/vnd.3gpp.pic-bw-small',
589
        'psd' => 'image/vnd.adobe.photoshop',
590
        'psf' => 'application/x-font-linux-psf',
591
        'pskcxml' => 'application/pskc+xml',
592
        'ptid' => 'application/vnd.pvi.ptid1',
593
        'pub' => 'application/x-mspublisher',
594
        'pvb' => 'application/vnd.3gpp.pic-bw-var',
595
        'pwn' => 'application/vnd.3m.post-it-notes',
596
        'pya' => 'audio/vnd.ms-playready.media.pya',
597
        'pyv' => 'video/vnd.ms-playready.media.pyv',
598
        'qam' => 'application/vnd.epson.quickanime',
599
        'qbo' => 'application/vnd.intu.qbo',
600
        'qfx' => 'application/vnd.intu.qfx',
601
        'qps' => 'application/vnd.publishare-delta-tree',
602
        'qt' => 'video/quicktime',
603
        'qwd' => 'application/vnd.quark.quarkxpress',
604
        'qwt' => 'application/vnd.quark.quarkxpress',
605
        'qxb' => 'application/vnd.quark.quarkxpress',
606
        'qxd' => 'application/vnd.quark.quarkxpress',
607
        'qxl' => 'application/vnd.quark.quarkxpress',
608
        'qxt' => 'application/vnd.quark.quarkxpress',
609
        'ra' => 'audio/x-pn-realaudio',
610
        'ram' => 'audio/x-pn-realaudio',
611
        'rar' => 'application/x-rar-compressed',
612
        'ras' => 'image/x-cmu-raster',
613
        'rb' => 'text/plain',
614
        'rcprofile' => 'application/vnd.ipunplugged.rcprofile',
615
        'rdf' => 'application/rdf+xml',
616
        'rdz' => 'application/vnd.data-vision.rdz',
617
        'rep' => 'application/vnd.businessobjects',
618
        'res' => 'application/x-dtbresource+xml',
619
        'resx' => 'text/xml',
620
        'rgb' => 'image/x-rgb',
621
        'rif' => 'application/reginfo+xml',
622
        'rip' => 'audio/vnd.rip',
623
        'rl' => 'application/resource-lists+xml',
624
        'rlc' => 'image/vnd.fujixerox.edmics-rlc',
625
        'rld' => 'application/resource-lists-diff+xml',
626
        'rm' => 'application/vnd.rn-realmedia',
627
        'rmi' => 'audio/midi',
628
        'rmp' => 'audio/x-pn-realaudio-plugin',
629
        'rms' => 'application/vnd.jcp.javame.midlet-rms',
630
        'rnc' => 'application/relax-ng-compact-syntax',
631
        'roff' => 'text/troff',
632
        'rp9' => 'application/vnd.cloanto.rp9',
633
        'rpss' => 'application/vnd.nokia.radio-presets',
634
        'rpst' => 'application/vnd.nokia.radio-preset',
635
        'rq' => 'application/sparql-query',
636
        'rs' => 'application/rls-services+xml',
637
        'rsd' => 'application/rsd+xml',
638
        'rss' => 'application/rss+xml',
639
        'rtf' => 'application/rtf',
640
        'rtx' => 'text/richtext',
641
        's' => 'text/x-asm',
642
        'saf' => 'application/vnd.yamaha.smaf-audio',
643
        'sbml' => 'application/sbml+xml',
644
        'sc' => 'application/vnd.ibm.secure-container',
645
        'scd' => 'application/x-msschedule',
646
        'scm' => 'application/vnd.lotus-screencam',
647
        'scq' => 'application/scvp-cv-request',
648
        'scs' => 'application/scvp-cv-response',
649
        'scurl' => 'text/vnd.curl.scurl',
650
        'sda' => 'application/vnd.stardivision.draw',
651
        'sdc' => 'application/vnd.stardivision.calc',
652
        'sdd' => 'application/vnd.stardivision.impress',
653
        'sdkd' => 'application/vnd.solent.sdkm+xml',
654
        'sdkm' => 'application/vnd.solent.sdkm+xml',
655
        'sdp' => 'application/sdp',
656
        'sdw' => 'application/vnd.stardivision.writer',
657
        'see' => 'application/vnd.seemail',
658
        'seed' => 'application/vnd.fdsn.seed',
659
        'sema' => 'application/vnd.sema',
660
        'semd' => 'application/vnd.semd',
661
        'semf' => 'application/vnd.semf',
662
        'ser' => 'application/java-serialized-object',
663
        'setpay' => 'application/set-payment-initiation',
664
        'setreg' => 'application/set-registration-initiation',
665
        'sfd-hdstx' => 'application/vnd.hydrostatix.sof-data',
666
        'sfs' => 'application/vnd.spotfire.sfs',
667
        'sgl' => 'application/vnd.stardivision.writer-global',
668
        'sgm' => 'text/sgml',
669
        'sgml' => 'text/sgml',
670
        'sh' => 'application/x-sh',
671
        'shar' => 'application/x-shar',
672
        'shf' => 'application/shf+xml',
673
        'sig' => 'application/pgp-signature',
674
        'silo' => 'model/mesh',
675
        'sis' => 'application/vnd.symbian.install',
676
        'sisx' => 'application/vnd.symbian.install',
677
        'sit' => 'application/x-stuffit',
678
        'sitx' => 'application/x-stuffitx',
679
        'skd' => 'application/vnd.koan',
680
        'skm' => 'application/vnd.koan',
681
        'skp' => 'application/vnd.koan',
682
        'skt' => 'application/vnd.koan',
683
        'sldm' => 'application/vnd.ms-powerpoint.slide.macroenabled.12',
684
        'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
685
        'slt' => 'application/vnd.epson.salt',
686
        'sm' => 'application/vnd.stepmania.stepchart',
687
        'smf' => 'application/vnd.stardivision.math',
688
        'smi' => 'application/smil+xml',
689
        'smil' => 'application/smil+xml',
690
        'snd' => 'audio/basic',
691
        'snf' => 'application/x-font-snf',
692
        'so' => 'application/octet-stream',
693
        'spc' => 'application/x-pkcs7-certificates',
694
        'spf' => 'application/vnd.yamaha.smaf-phrase',
695
        'spl' => 'application/x-futuresplash',
696
        'spot' => 'text/vnd.in3d.spot',
697
        'spp' => 'application/scvp-vp-response',
698
        'spq' => 'application/scvp-vp-request',
699
        'spx' => 'audio/ogg',
700
        'src' => 'application/x-wais-source',
701
        'sru' => 'application/sru+xml',
702
        'srx' => 'application/sparql-results+xml',
703
        'sse' => 'application/vnd.kodak-descriptor',
704
        'ssf' => 'application/vnd.epson.ssf',
705
        'ssml' => 'application/ssml+xml',
706
        'st' => 'application/vnd.sailingtracker.track',
707
        'stc' => 'application/vnd.sun.xml.calc.template',
708
        'std' => 'application/vnd.sun.xml.draw.template',
709
        'stf' => 'application/vnd.wt.stf',
710
        'sti' => 'application/vnd.sun.xml.impress.template',
711
        'stk' => 'application/hyperstudio',
712
        'stl' => 'application/vnd.ms-pki.stl',
713
        'str' => 'application/vnd.pg.format',
714
        'stw' => 'application/vnd.sun.xml.writer.template',
715
        'sub' => 'image/vnd.dvb.subtitle',
716
        'sus' => 'application/vnd.sus-calendar',
717
        'susp' => 'application/vnd.sus-calendar',
718
        'sv4cpio' => 'application/x-sv4cpio',
719
        'sv4crc' => 'application/x-sv4crc',
720
        'svc' => 'application/vnd.dvb.service',
721
        'svd' => 'application/vnd.svd',
722
        'svg' => 'image/svg+xml',
723
        'svgz' => 'image/svg+xml',
724
        'swa' => 'application/x-director',
725
        'swf' => 'application/x-shockwave-flash',
726
        'swi' => 'application/vnd.aristanetworks.swi',
727
        'sxc' => 'application/vnd.sun.xml.calc',
728
        'sxd' => 'application/vnd.sun.xml.draw',
729
        'sxg' => 'application/vnd.sun.xml.writer.global',
730
        'sxi' => 'application/vnd.sun.xml.impress',
731
        'sxm' => 'application/vnd.sun.xml.math',
732
        'sxw' => 'application/vnd.sun.xml.writer',
733
        't' => 'text/troff',
734
        'tao' => 'application/vnd.tao.intent-module-archive',
735
        'tar' => 'application/x-tar',
736
        'tcap' => 'application/vnd.3gpp2.tcap',
737
        'tcl' => 'application/x-tcl',
738
        'teacher' => 'application/vnd.smart.teacher',
739
        'tei' => 'application/tei+xml',
740
        'teicorpus' => 'application/tei+xml',
741
        'tex' => 'application/x-tex',
742
        'texi' => 'application/x-texinfo',
743
        'texinfo' => 'application/x-texinfo',
744
        'text' => 'text/plain',
745
        'tfi' => 'application/thraud+xml',
746
        'tfm' => 'application/x-tex-tfm',
747
        'thmx' => 'application/vnd.ms-officetheme',
748
        'tif' => 'image/tiff',
749
        'tiff' => 'image/tiff',
750
        'tmo' => 'application/vnd.tmobile-livetv',
751
        'torrent' => 'application/x-bittorrent',
752
        'tpl' => 'application/vnd.groove-tool-template',
753
        'tpt' => 'application/vnd.trid.tpt',
754
        'tr' => 'text/troff',
755
        'tra' => 'application/vnd.trueapp',
756
        'trm' => 'application/x-msterminal',
757
        'tsd' => 'application/timestamped-data',
758
        'tsv' => 'text/tab-separated-values',
759
        'ttc' => 'application/x-font-ttf',
760
        'ttf' => 'application/x-font-ttf',
761
        'ttl' => 'text/turtle',
762
        'twd' => 'application/vnd.simtech-mindmapper',
763
        'twds' => 'application/vnd.simtech-mindmapper',
764
        'txd' => 'application/vnd.genomatix.tuxedo',
765
        'txf' => 'application/vnd.mobius.txf',
766
        'txt' => 'text/plain',
767
        'u32' => 'application/x-authorware-bin',
768
        'udeb' => 'application/x-debian-package',
769
        'ufd' => 'application/vnd.ufdl',
770
        'ufdl' => 'application/vnd.ufdl',
771
        'umj' => 'application/vnd.umajin',
772
        'unityweb' => 'application/vnd.unity',
773
        'uoml' => 'application/vnd.uoml+xml',
774
        'uri' => 'text/uri-list',
775
        'uris' => 'text/uri-list',
776
        'urls' => 'text/uri-list',
777
        'ustar' => 'application/x-ustar',
778
        'utz' => 'application/vnd.uiq.theme',
779
        'uu' => 'text/x-uuencode',
780
        'uva' => 'audio/vnd.dece.audio',
781
        'uvd' => 'application/vnd.dece.data',
782
        'uvf' => 'application/vnd.dece.data',
783
        'uvg' => 'image/vnd.dece.graphic',
784
        'uvh' => 'video/vnd.dece.hd',
785
        'uvi' => 'image/vnd.dece.graphic',
786
        'uvm' => 'video/vnd.dece.mobile',
787
        'uvp' => 'video/vnd.dece.pd',
788
        'uvs' => 'video/vnd.dece.sd',
789
        'uvt' => 'application/vnd.dece.ttml+xml',
790
        'uvu' => 'video/vnd.uvvu.mp4',
791
        'uvv' => 'video/vnd.dece.video',
792
        'uvva' => 'audio/vnd.dece.audio',
793
        'uvvd' => 'application/vnd.dece.data',
794
        'uvvf' => 'application/vnd.dece.data',
795
        'uvvg' => 'image/vnd.dece.graphic',
796
        'uvvh' => 'video/vnd.dece.hd',
797
        'uvvi' => 'image/vnd.dece.graphic',
798
        'uvvm' => 'video/vnd.dece.mobile',
799
        'uvvp' => 'video/vnd.dece.pd',
800
        'uvvs' => 'video/vnd.dece.sd',
801
        'uvvt' => 'application/vnd.dece.ttml+xml',
802
        'uvvu' => 'video/vnd.uvvu.mp4',
803
        'uvvv' => 'video/vnd.dece.video',
804
        'uvvx' => 'application/vnd.dece.unspecified',
805
        'uvx' => 'application/vnd.dece.unspecified',
806
        'vcd' => 'application/x-cdlink',
807
        'vcf' => 'text/x-vcard',
808
        'vcg' => 'application/vnd.groove-vcard',
809
        'vcs' => 'text/x-vcalendar',
810
        'vcx' => 'application/vnd.vcx',
811
        'vis' => 'application/vnd.visionary',
812
        'viv' => 'video/vnd.vivo',
813
        'vor' => 'application/vnd.stardivision.writer',
814
        'vox' => 'application/x-authorware-bin',
815
        'vrml' => 'model/vrml',
816
        'vsd' => 'application/vnd.visio',
817
        'vsf' => 'application/vnd.vsf',
818
        'vss' => 'application/vnd.visio',
819
        'vst' => 'application/vnd.visio',
820
        'vsw' => 'application/vnd.visio',
821
        'vtu' => 'model/vnd.vtu',
822
        'vxml' => 'application/voicexml+xml',
823
        'w3d' => 'application/x-director',
824
        'wad' => 'application/x-doom',
825
        'wav' => 'audio/x-wav',
826
        'wax' => 'audio/x-ms-wax',
827
        'wbmp' => 'image/vnd.wap.wbmp',
828
        'wbs' => 'application/vnd.criticaltools.wbs+xml',
829
        'wbxml' => 'application/vnd.wap.wbxml',
830
        'wcm' => 'application/vnd.ms-works',
831
        'wdb' => 'application/vnd.ms-works',
832
        'weba' => 'audio/webm',
833
        'webm' => 'video/webm',
834
        'webp' => 'image/webp',
835
        'wg' => 'application/vnd.pmi.widget',
836
        'wgt' => 'application/widget',
837
        'wks' => 'application/vnd.ms-works',
838
        'wm' => 'video/x-ms-wm',
839
        'wma' => 'audio/x-ms-wma',
840
        'wmd' => 'application/x-ms-wmd',
841
        'wmf' => 'application/x-msmetafile',
842
        'wml' => 'text/vnd.wap.wml',
843
        'wmlc' => 'application/vnd.wap.wmlc',
844
        'wmls' => 'text/vnd.wap.wmlscript',
845
        'wmlsc' => 'application/vnd.wap.wmlscriptc',
846
        'wmv' => 'video/x-ms-wmv',
847
        'wmx' => 'video/x-ms-wmx',
848
        'wmz' => 'application/x-ms-wmz',
849
        'woff' => 'application/x-font-woff',
850
        'wpd' => 'application/vnd.wordperfect',
851
        'wpl' => 'application/vnd.ms-wpl',
852
        'wps' => 'application/vnd.ms-works',
853
        'wqd' => 'application/vnd.wqd',
854
        'wri' => 'application/x-mswrite',
855
        'wrl' => 'model/vrml',
856
        'wsdl' => 'application/wsdl+xml',
857
        'wspolicy' => 'application/wspolicy+xml',
858
        'wtb' => 'application/vnd.webturbo',
859
        'wvx' => 'video/x-ms-wvx',
860
        'x32' => 'application/x-authorware-bin',
861
        'x3d' => 'application/vnd.hzn-3d-crossword',
862
        'xap' => 'application/x-silverlight-app',
863
        'xar' => 'application/vnd.xara',
864
        'xbap' => 'application/x-ms-xbap',
865
        'xbd' => 'application/vnd.fujixerox.docuworks.binder',
866
        'xbm' => 'image/x-xbitmap',
867
        'xdf' => 'application/xcap-diff+xml',
868
        'xdm' => 'application/vnd.syncml.dm+xml',
869
        'xdp' => 'application/vnd.adobe.xdp+xml',
870
        'xdssc' => 'application/dssc+xml',
871
        'xdw' => 'application/vnd.fujixerox.docuworks',
872
        'xenc' => 'application/xenc+xml',
873
        'xer' => 'application/patch-ops-error+xml',
874
        'xfdf' => 'application/vnd.adobe.xfdf',
875
        'xfdl' => 'application/vnd.xfdl',
876
        'xht' => 'application/xhtml+xml',
877
        'xhtml' => 'application/xhtml+xml',
878
        'xhvml' => 'application/xv+xml',
879
        'xif' => 'image/vnd.xiff',
880
        'xla' => 'application/vnd.ms-excel',
881
        'xlam' => 'application/vnd.ms-excel.addin.macroenabled.12',
882
        'xlc' => 'application/vnd.ms-excel',
883
        'xlm' => 'application/vnd.ms-excel',
884
        'xls' => 'application/vnd.ms-excel',
885
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroenabled.12',
886
        'xlsm' => 'application/vnd.ms-excel.sheet.macroenabled.12',
887
        'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
888
        'xlt' => 'application/vnd.ms-excel',
889
        'xltm' => 'application/vnd.ms-excel.template.macroenabled.12',
890
        'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
891
        'xlw' => 'application/vnd.ms-excel',
892
        'xml' => 'application/xml',
893
        'xo' => 'application/vnd.olpc-sugar',
894
        'xop' => 'application/xop+xml',
895
        'xpi' => 'application/x-xpinstall',
896
        'xpm' => 'image/x-xpixmap',
897
        'xpr' => 'application/vnd.is-xpr',
898
        'xps' => 'application/vnd.ms-xpsdocument',
899
        'xpw' => 'application/vnd.intercon.formnet',
900
        'xpx' => 'application/vnd.intercon.formnet',
901
        'xsl' => 'application/xml',
902
        'xslt' => 'application/xslt+xml',
903
        'xsm' => 'application/vnd.syncml+xml',
904
        'xspf' => 'application/xspf+xml',
905
        'xul' => 'application/vnd.mozilla.xul+xml',
906
        'xvm' => 'application/xv+xml',
907
        'xvml' => 'application/xv+xml',
908
        'xwd' => 'image/x-xwindowdump',
909
        'xyz' => 'chemical/x-xyz',
910
        'yaml' => 'text/yaml',
911
        'yang' => 'application/yang',
912
        'yin' => 'application/yin+xml',
913
        'yml' => 'text/yaml',
914
        'zaz' => 'application/vnd.zzazz.deck+xml',
915
        'zip' => 'application/zip',
916
        'zir' => 'application/vnd.zul',
917
        'zirz' => 'application/vnd.zul',
918
        'zmm' => 'application/vnd.handheld-entertainment+xml'
919
    );
920
 
921
    /**
922
     * Get a singleton instance of the class
923
     *
924
     * @return self
925
     * @codeCoverageIgnore
926
     */
927
    public static function getInstance()
928
    {
929
        if (!self::$instance) {
930
            self::$instance = new self();
931
        }
932
 
933
        return self::$instance;
934
    }
935
 
936
    /**
937
     * Get a mimetype value from a file extension
938
     *
939
     * @param string $extension File extension
940
     *
941
     * @return string|null
942
     *
943
     */
944
    public function fromExtension($extension)
945
    {
946
        $extension = strtolower($extension);
947
 
948
        return isset($this->mimetypes[$extension]) ? $this->mimetypes[$extension] : null;
949
    }
950
 
951
    /**
952
     * Get a mimetype from a filename
953
     *
954
     * @param string $filename Filename to generate a mimetype from
955
     *
956
     * @return string|null
957
     */
958
    public function fromFilename($filename)
959
    {
960
        return $this->fromExtension(pathinfo($filename, PATHINFO_EXTENSION));
961
    }
962
}