public EncodedReaderOptions filesystem(Supplier<FileSystem> fsSupplier) {
      this.fileSystemSupplier = fsSupplier;
      return this;
    }
Extends ReaderOptions to accept a file system supplier
instead of a fully initialized fs object.
ql/src/java/org/apache/hadoop/hive/ql/io/orc/encoded/EncodedOrcFile.java