code: public static boolean isProperPrefixPath(String firstPath, String secondPath) {
  
          firstPath = CmsStringUtil.joinPaths(firstPath, "/");
          secondPath = CmsStringUtil.joinPaths(secondPath, "/");
          return secondPath.startsWith(firstPath) && !firstPath.equals(secondPath);
  
      }
docs: Checks if the first path is a prefix of the second path, but not equivalent to it.<p>
  
  @param firstPath the first path
  @param secondPath the second path
  
  @return true if the first path is a prefix path of the second path, but not equivalent