"application/vnd.bmi",
				"application/vnd.businessobjects",
				"application/vnd.cab-jscript",
				"application/vnd.canon-cpdl",
				"application/vnd.canon-lips",
				"application/vnd.cendio.thinlinc.clientconf",
				"application/vnd.chemdraw+xml",
				"application/vnd.chipnuts.karaoke-mmd",
				"application/vnd.cinderella",
				"application/vnd.cirpack.isdn-ext",
				"application/vnd.claymore",

     * traverse. When nodes would otherwise be changed, new nodes are created to replace them. This
     * works well for hash tables since the bin lists tend to be short. (The average length is less
     * than two.)
     *
     * Read operations can thus proceed without locking, but rely on selected uses of volatiles to