= new ImmutableSet.Builder<String>()
.add("text/plain",
"text/css",
"text/html",
"text/csv",
"text/xml",
"text/x-log",
"application/rtf",
"application/pdf",
"application/json",
"application/javascript",
"application/xml",
"application/xhtml+xml",
"application/x-msoffice",
"application/x-ooxml",
"application/msword",
"application/msword2",
"application/vnd.wordperfect",
"application/vnd.openxmlformats-officedocument.wordprocessingml.document",
"application/vnd.ms-powerpoint",
"application/vnd.openxmlformats-officedocument.presentationml.presentation",
"application/vnd.ms-excel",
"application/vnd.ms-excel.sheet.4",
"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
"application/vnd.oasis.opendocument.presentation",
"application/vnd.oasis.opendocument.spreadsheet",
"application/vnd.oasis.opendocument.text"
).build()