docs: public static String readStringFromFile(String path, Configuration hadoopConfig) throws IOException {
          FileSystem fileSystem = FileSystem.get(hadoopConfig);
          try (BufferedInputStream bis = new BufferedInputStream(fileSystem.open(new Path(path)))) {
              byte[] asBytes = IOUtils.toByteArray(bis);
              return new String(asBytes, "UTF-8");
          }
      }