code: void configureFiles(String path) {
  
          // If the property is set, reload from a local directory:
          if (StringUtils.isNotBlank(path)) {
              configureFilesReloadable(path);
          } else {
              configureFilesResource();
          }
          filesReloadable = filesUrl != null;
  
          // Communicate:
          showFilesConfiguration();
      }
docs: Sets up configuration for serving static files (if any).
  
  @param path The directory that contains static files.