code: ContentInfo matchBytes(byte[] bytes) {
  		ContentData data = matchBytes(bytes, 0, 0, null);
  		if (data == null || data.name == MagicEntryParser.UNKNOWN_NAME) {
  			return null;
  		} else {
  			return new ContentInfo(data.name, data.mimeType, data.sb.toString(), data.partial);
  		}
  	}
docs: Returns the content type associated with the bytes or null if it does not match.