docs: private List<Resource> scanForConfigurationResources(final File config, final List<String> profiles) {
          val possibleFiles = getAllPossibleExternalConfigDirFilenames(config, profiles);
          return possibleFiles.stream()
              .filter(File::exists)
              .filter(File::isFile)
              .map(FileSystemResource::new)
              .collect(Collectors.toList());
      }