code: def makeWidget(self):
      w = ColorMapButton()
      w.sigChanged = w.sigColorMapChanged
      w.value = w.colorMap
      w.setValue = w.setColorMap
      self.hideWidget = False
      return w
  
file_path: pyqtgraph/pyqtgraph/parametertree/parameterTypes/colormaplut.py
imports: from ...None import colormap
  from ...widgets.ColorMapButton import ColorMapButton
  from .basetypes import Parameter, WidgetParameterItem
label_desc: Use image node_id 1 for calling the ColorMapLutParameterItem obj's underlying member method code with example usage: obj.makeWidget() and returns: w