code: def __init__(self, item):
      Exporter.__init__(self, item)
      self.params = Parameter(
          name="params",
          type="group",
          children=[
              {
                  "name": "Name",
                  "title": translate("Exporter", "Name"),
                  "type": "str",
                  "value": "Export",
              },
              {
                  "name": "columnMode",
                  "title": translate("Exporter", "columnMode"),
                  "type": "list",
                  "limits": [
                      "(x,y) per plot",
                      "(x,y,y,y) for all plots",
                  ],
              },
          ],
      )
  
file_path: pyqtgraph/pyqtgraph/exporters/HDF5Exporter.py
imports: import importlib.util
  import numpy
  from ..None import PlotItem
  from ..parametertree import Parameter
  from ..Qt import QtCore
  from .Exporter import Exporter
label_desc: Use image node_id 1 to create a new HDF5Exporter object from inherited base classes: Exporter with example: obj = HDF5Exporter(item)