code: def __init__(self) -> None:
      self.color_map = [
          "#ff0000",
          "#ff4000",
          "#ff8000",
          "#ffbf00",
          "#ffff00",
          "#bfff00",
          "#80ff00",
          "#40ff00",
          "#00ff00",
          "#00ff40",
          "#00ff80",
          "#00ffbf",
          "#00ffff",
          "#00bfff",
          "#0080ff",
          "#0040ff",
          "#0000ff",
          "#4000ff",
          "#8000ff",
          "#bf00ff",
          "#ff00ff",
          "#ff00bf",
          "#ff0080",
          "#ff0040",
          "#ff0000",
      ]
  
imports: import numpy
label_desc: Use image node_id 1 to create a new Highlighter object  with example: obj = Highlighter()