code: def set_statement(self, tree):
      config_name = None
      config_value = None
      for child in tree.children:
          if isinstance(child, Tree):
              if child.data == "config_name":
                  config_name = self.visit(child)
              elif child.data == "config_value":
                  config_value = self.visit(child)
  
      set_stmt = SetStatement(config_name, config_value)
      return set_stmt
  
label_desc: Use image node_id 1 for calling the Set obj's underlying member method code with example usage: obj.set_statement(tree) and returns: set_stmt