code: def params(self):
      p = OrderedDict()
  
      if not _window_has_method:  # pragma: no cover
          args = ["min_periods", "center", "axis"]
      else:
          args = ["min_periods", "center", "axis", "method"]
  
      for k in args:
          p[k] = getattr(self, k)
      return p
  
imports: from collections import OrderedDict
  from ....serialization.serializables import BoolField, Int32Field, Int64Field, StringField
  from ....utils import pd_release_version
  from ...utils import validate_axis
  from ..core import Window
label_desc: Use image node_id 7 for calling the Expanding obj's underlying member method code with example usage: obj.params() and returns: p