def METHOD_NAME(node, indentation=None, include_encoding_marker=True):
  """Returns the source code of given AST.
  Args:
    node: The code to compile, as an AST object.
    indentation: Unused, deprecated. The returning code will always be indented
      at 4 spaces.
    include_encoding_marker: Bool, thether to include a comment on the first
      line to explicitly specify UTF-8 encoding.
  Returns:
    code: The source code generated from the AST object
    source_mapping: A mapping between the user and AutoGraph generated code.
  """
  del indentation  # astunparse doesn't allow configuring it.
  if not isinstance(node, (list, tuple)):
    node = (node,)
  codes = []
  if include_encoding_marker:
    codes.append('# coding=utf-8')
  for n in node:
    if isinstance(n, gast.AST):
      n = gast.gast_to_ast(n)
    codes.append(astunparse.METHOD_NAME(n).strip())
  return '\n'.join(codes)