docs: def _sync_call(self, func):
          """__call__ function for regular synchronous functions.
  
          Args:
              func: The annotated function.
              args: Arguments for func.
              kwargs: Keyword arguments for func.
          """
  
          @functools.wraps(func)
          def wrapper(*args, **kwargs):
              if self._start_msg:
                  self._start_print()
              result = func(*args, **kwargs)
              if self._end_msg:
                  print(self._end_msg)
              return result
  
          setattr(wrapper, ANNOTATED, True)
          return wrapper