class_docstr: Subclasses `WidgetParameterItem` to provide the following types:
  
  ==========================  =============================================================
  **Registered Types:**
  int                         Displays a :class:`SpinBox <pyqtgraph.SpinBox>` in integer
                              mode.
  float                       Displays a :class:`SpinBox <pyqtgraph.SpinBox>`.
  ==========================  =============================================================
code: def updateDisplayLabel(self, value=None):
      if value is None:
          value = self.widget.lineEdit().text()
      super().updateDisplayLabel(value)
  
file_path: pyqtgraph/pyqtgraph/parametertree/parameterTypes/numeric.py
imports: from ...widgets.SpinBox import SpinBox
  from .basetypes import WidgetParameterItem
label_desc: Use image node_id 2 for calling the NumericParameterItem obj's underlying member method code with example usage: obj.updateDisplayLabel(value) without return types