class_docstr: Subplots figure specification.
  
  See: `gggrid()`
code: def duplicate(cls, other):
      dup = SupPlotsSpec(figures=other.__figures, layout=other.__layout)
      dup.props().update(other.props())
      return dup
  
imports: from typing import Dict
  from lets_plot.plot.core import DummySpec
  from lets_plot.plot.core import FeatureSpec
  from lets_plot.plot.core import FeatureSpecArray
  from lets_plot.plot.core import _specs_to_dict
  from lets_plot.plot.core import _theme_dicts_merge
  from lets_plot.plot.core import _to_svg, _to_html, _export_as_raster
label_desc: Use image node_id 1 for calling the SupPlotsSpec obj's underlying member method code with example usage: obj.duplicate(cls, other) and returns: dup