code: def saveState(self):
      return {
          "type": self.__class__.__name__,
          "name": self.name,
          "visible": self.isVisible(),
          "alpha": self.alpha(),
          "userTransform": self.saveTransform(),
          "z": self.zValue(),
          "scalable": self.opts["scalable"],
          "rotatable": self.opts["rotatable"],
          "movable": self.opts["movable"],
      }
  
imports: import importlib
  from ..None import ItemGroup, SRTTransform, debug
  from ..None import functions
  from ..graphicsItems.ROI import ROI
  from ..Qt import QT_LIB, QtCore, QtWidgets
  from .None import TransformGuiTemplate_generic
label_desc: Use image node_id 49 for calling the CanvasItem obj's underlying member method code with example usage: obj.saveState() and returns: dict