define([], function() {
   return {
       application : {
           atom: 'application/atom+xml',
           json : 'application/json',
           javascript: 'application/javascript',
           octetStream: 'application/octet-stream',
           ogg: 'application/ogg',
           pdf: 'application/pdf',
           soap: 'application/soap+xml',
           xhtml: 'application/xhtml+xml',
           dtd: 'application/xml-dtd',
           zip: 'application/zip',
           gzip: 'application/x-gzip',
           form: 'application/x-www-form-urlencoded',
           ttf: 'application/x-font-ttf',
           tar: 'application/x-tar',
           pkcs12: 'application/x-pkcs12',
           pfx: 'application/x-pkcs12',
           spc: 'application/x-pkcs7-certificates',
           p7b: 'application/x-pkcs7-certificates',
           p7r: 'application/x-pkcs7-certreqresp',
           p7c: 'application/x-pkcs7-mime',
           p7s: 'application/x-pkcs7-signature'               
       },
       audio : {
           mulaw: 'audio/basic',
           pcm24: 'audio/L24',
           mp4: 'audio/mp4',
           mp3: 'audio/mpeg',
           mpeg: 'audio/mpeg',
           ogg: 'audio/ogg',
           vorbis: 'audio/vorbis',
           wma: 'audio/x-ms-wma',
           wmaRedirect: 'audio/x-ms-wax',
           realAudio: 'audio/vnd.rn-realaudio',
           wav: 'audio/vnd.wave',
           webm: 'audio/webm'
       },       
       image: {
           gif: 'image/gif',
           jpeg: 'image/jpeg',
           msJpeg: 'image/pjpeg',
           png: 'image/png',
           svg: 'image/svg+xml',
           tiff: 'image/tiff',
           ico: 'image/vnd.microsoft.icon',
           wbmp: 'image/vnd.wap.wbmp',
           bmp: 'image/bmp'
       },
       message : {
           http: 'message/http',
           imdn: 'message/imdn+xml',
           emailPartial: 'message/partial',
           email: 'message/rfc822'
       },
       model : {
           example: 'model/example',
           iges: 'model/iges',
           mesh: 'model/mesh',
           vrml: 'model/vrml',
           x3db: 'model/x3d+binary',
           x3dv: 'model/x3d+vrml',
           x3d: 'model/x3d+xml'
       },
       multipart: {
           mixed: 'multipart/mixed',
           alternative: 'multipart/alternative',
           related: 'multipart/related',
           form: 'multipart/form-data',
           signed: 'multipart/signed',
           encrypted: 'multipart/encrypted'
       },
       text : {
           cmd: 'text/cmd',
           css: 'text/css',
           csv: 'text/csv',
           html: 'text/html',
           plain: 'text/plain',
           xml: 'text/xml'
       },
       video: {
           mpeg: 'video/mpeg',
           mp4: 'video/mp4',
           ogg: 'video/ogg',
           quicktime: 'video/quicktime',
           webm: 'video/webm',
           wmv: 'video/x-ms-wmv',
           flv: 'video/x-flv'
       }       

   }; 
});