code: private String getRealFilePath(String fileName, BundleHashcodeType bundleHashcodeType) {
  
  		String realFilePath = fileName;
  		if (bundleHashcodeType.equals(BundleHashcodeType.INVALID_HASHCODE)) {
  			int idx = realFilePath.indexOf(JawrConstant.URL_SEPARATOR, 1);
  			if (idx != -1) {
  				realFilePath = realFilePath.substring(idx);
  			}
  		} else {
  			String[] resourceInfo = PathNormalizer.extractBinaryResourceInfo(realFilePath);
  			realFilePath = resourceInfo[0];
  		}
  
  		return realFilePath;
  	}
docs: Removes the cache buster
  
  @param fileName
  the file name
  @return the file name without the cache buster.