class_docstr: Do Delta_delta to features.
code: def params(cls, config=None):
      hparams = HParams(cls=cls)
  
      return hparams
  
file_path: delta/delta/data/frontend/delta_delta.py
imports: import delta.compat
  from core.ops import py_x_ops
  from delta.utils.hparam import HParams
  from delta.data.frontend.base_frontend import BaseFrontend
label_desc: Use image node_id 2 for calling the DeltaDelta obj's underlying member method code with example usage: obj.params(cls, config) and returns: hparams