Color or Opacity change event of a node

Color or Opacity change event of a node
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#1

Hi ,
I was writing a component and came to a point where I need to know change in color and opacity event of node.

I am aware of node events like :
‘position-changed’;
‘size-changed’;
‘anchor-changed’;
‘rotation-changed’;
‘scale-changed’;
‘child-reorder’;

Similarly I want to know events for change in color and opacity.
How to achieve this? I have gone through the implementation of Node class in JS. There is no event emitted while setting of color and opacity.

Thanks,
Rahul