parameters: (self, overlay)
docstring: Add an overlay to the list of overlays.
docstring_summary: Add an overlay to the list of overlays.
docstring_tokens: Add an overlay to the list of overlays .
function: def add_overlay(self, overlay):
          """Add an overlay to the list of overlays."""
          self.overlays.append(overlay)
function_tokens: def add_overlay ( self , overlay ) : self . overlays . append ( overlay )