code: public String getConfigFilePath(CmsObject cms, String configFile) {
  
          String path = CmsStringUtil.joinPaths(VFS_CONFIG_OVERRIDE_FOLDER, configFile);
          if (!cms.existsResource(path)) {
              path = CmsStringUtil.joinPaths(VFS_CONFIG_FOLDER, configFile);
          }
          return path;
      }
docs: Returns the path to a configuration file.<p>
  This will either be a file below /system/config/ or in case an override file exists below /system/config/overrides/.<p>
  
  @param cms the cms ontext
  @param configFile the config file path within /system/config/
  
  @return the file path