docs: def clearHighlighting(self):
          """
          Restore the original style properties of all matches.
  
          This method effectively removes all visible traces of
          the match highlighting.
          """
          SCI = self.qteWidget
          self.qteWidget.SCISetStylingEx(0, 0, self.styleOrig)
  
          # Clear out the match set and reset the match index.
          self.selMatchIdx = 1
          self.matchList = []