code: public static InputSupplier<? extends SeekableInputStream> newInputSupplier(final FileSystem fs, final Path path) {
      return new InputSupplier<SeekableInputStream>() {
        @Override
        public SeekableInputStream getInput() throws IOException {
          return SeekableInputStream.create(fs.open(path));
        }
      };
    }
docs: Creates a new {@link com.google.common.io.InputSupplier} that can provides {@link SeekableInputStream} of
  the given path.
  
  @param fs The {@link org.apache.hadoop.fs.FileSystem} for the given path.
  @param path The path to create {@link co.cask.tigon.io.SeekableInputStream} when requested.
  @return A {@link com.google.common.io.InputSupplier}.