class_docstr: Transformer that can rename symbols to a simple names.
class_docstr_tok: ["Transformer","that","can","rename","symbols","to","a","simple","names","."]
code: def visit_FunctionDef(self, node):
      qn = qual_names.QN(node.name)
      if qn in self.name_map:
          node.name = str(self.name_map[qn])
      return self.generic_visit(node)
  
imports: import ast
  import gast
  from tensorflow.python.autograph.pyct import anno
  from tensorflow.python.autograph.pyct import parser
  from tensorflow.python.autograph.pyct import qual_names
label_desc: Use image node_id 8 for calling the SymbolRenamer obj's underlying member method code with example usage: obj.visit_FunctionDef(node) and returns: self