@property
def legendgrouptitle(self):
    "\n        The 'legendgrouptitle' property is an instance of Legendgrouptitle\n        that may be specified as:\n          - An instance of :class:`plotly.graph_objs.histogram2dcontour.Legendgrouptitle`\n          - A dict of string/value properties that will be passed\n            to the Legendgrouptitle constructor\n\n            Supported dict properties:\n\n                font\n                    Sets this legend group's title font.\n                text\n                    Sets the title of the legend group.\n\n        Returns\n        -------\n        plotly.graph_objs.histogram2dcontour.Legendgrouptitle\n        "
    return self['legendgrouptitle']
The 'legendgrouptitle' property is an instance of Legendgrouptitle
that may be specified as:
  - An instance of :class:`plotly.graph_objs.histogram2dcontour.Legendgrouptitle`
  - A dict of string/value properties that will be passed
    to the Legendgrouptitle constructor

    Supported dict properties:

        font
            Sets this legend group's title font.
        text
            Sets the title of the legend group.

Returns
-------
plotly.graph_objs.histogram2dcontour.Legendgrouptitle
@property
def legendgrouptitle(self):
    "\n        The 'legendgrouptitle' property is an instance of Legendgrouptitle\n        that may be specified as:\n          - An instance of :class:`plotly.graph_objs.histogram2dcontour.Legendgrouptitle`\n          - A dict of string/value properties that will be passed\n            to the Legendgrouptitle constructor\n\n            Supported dict properties:\n\n                font\n                    Sets this legend group's title font.\n                text\n                    Sets the title of the legend group.\n\n        Returns\n        -------\n        plotly.graph_objs.histogram2dcontour.Legendgrouptitle\n        "
    return self['legendgrouptitle']