code: def __init__(self):
      self.watermark = WATERMARK_BITS
      self.encoder = WatermarkEncoder()
      self.encoder.set_watermark("bits", self.watermark)
  
imports: import numpy
  from imwatermark import WatermarkEncoder
label_desc: Use image node_id 1 to create a new StableDiffusionXLWatermarker object  with example: obj = StableDiffusionXLWatermarker()