code: def _configuration_default(self):
      return _default_configuration
  
imports: import ipywidgets
  from traitlets import Unicode, default, List, Instance, observe, Dict, HasTraits, Enum, Union
  from .bounds import merge_longitude_bounds
  from .geotraitlets import Point, ZoomLevel, MapType, MouseHandling, Tilt
  from ._docutils import doc_subst
  from ._version import CLIENT_VERSION
label_desc: Use image node_id 1 for calling the ConfigurationMixin obj's underlying member method code with example usage: obj._configuration_default() and returns: _default_configuration