code: def limitsChanged(self, param, limits):
      self.optsChanged(param, dict(limits=limits))
  
file_path: pyqtgraph/pyqtgraph/parametertree/parameterTypes/slider.py
imports: import numpy
  from ...Qt import QtCore, QtWidgets
  from ..Parameter import Parameter
  from .basetypes import Emitter, WidgetParameterItem
label_desc: Use image node_id 8 for calling the SliderParameterItem obj's underlying member method code with example usage: obj.limitsChanged(param, limits) without return types