code: def _create_tokens_for_next_line_dent(self, newline_token):
          
          indent_delta = self._get_next_line_indent_delta(newline_token)
          if indent_delta is None or indent_delta == 0:
              # Next line's indent isn't relevant OR there was no change in
              # indentation.
              return None
  
          dent_type = 'INDENT' if indent_delta > 0 else 'DEDENT'
          dent_token = _create_token(
              dent_type, '\t', newline_token.lineno + 1,
              newline_token.lexpos + len(newline_token.value))
  
          tokens = [dent_token] * abs(indent_delta)
          self.cur_indent += indent_delta
          return MultiToken(tokens)
docs: Starting from a newline token that isn't followed by another newline
          token, returns any indent or dedent tokens that immediately follow.
          If indentation doesn't change, returns None.