code: def setColorMap(self, cmap):
      # calls main class methods
      self._setColorMap(cmap)
      self.colorMapChanged()
  
imports: import importlib.util
  import re
  import numpy
  from ..None import colormap
  from ..None import functions
  from ..graphicsItems.GradientPresets import Gradients
  from ..Qt import QtCore, QtGui, QtWidgets
label_desc: Use image node_id 4 for calling the ColorMapDisplayMixin obj's underlying member method code with example usage: obj.setColorMap(cmap) without return types