@Override public FileSystemReference fileFromDescriptor(String descriptor) { return runtime.fileFromDescriptor(descriptor); }
@Override public FileSystemReference commitTempFile( FileSystemReference sourceFile, long fileId, String fileName) { return runtime.commitTempFile(sourceFile, fileId, fileName); }
@Override public boolean isFsPersistent() { return runtime.isFsPersistent(); }
@Override public FileSystemReference createTempFile() { return runtime.createTempFile(); }