code: def _payload_size_within_limit(payload, size):
      """Placeholder docstring."""
      size_in_bytes = size * 1024 * 1024
      if size == 0:
          return True
      return sys.getsizeof(payload) < size_in_bytes
  
imports: from __future__ import absolute_import
  import os
  import platform
  import sys
  import tempfile
  from abc import ABCMeta
  from abc import abstractmethod
  from six import with_metaclass
  from six.moves.urllib.parse import urlparse
  import sagemaker.amazon.common
  import sagemaker.local.utils
  import sagemaker.utils
label_desc: Use image node_id 4 for calling a global function with example usage: _payload_size_within_limit(payload, size) and returns: unknown, True