this.treePath = "tree-" + escape(treeName);
            this.treeRoot = treePath + "/";
            this.type = type;
        }

        @Override
        public SnapshotVisitResult visitEntry(FileSystemLocationSnapshot snapshot, RelativePathSupplier relativePath) {
            boolean isRoot = relativePath.isRoot();
            String targetPath = getTargetPath(relativePath);

  def visit_For(self, node):
    raise NotImplementedError('For operator not recognized')

  def visit_While(self, node):
    raise NotImplementedError('While operator not recognized')

  def visit_Try(self, node):
    # Only handles the body of the try statement.
    self.visit_block(node.body)


def _apply_py_to_tf_passes(node, ctx):
  """Apply transformations from PyToTF to match tf.function tracing."""