code: def original_layer_class():
      return PegasusDecoderLayer
  
imports: from transformers.models.pegasus.modeling_pegasus import PegasusDecoderLayer, PegasusEncoderLayer
  from parallelformers.policies.base import Layer, Policy
  from parallelformers.transformers.modeling_bart import BartAttention_
  from parallelformers.utils.dist_utils import AllReduceLinear
label_desc: Use image node_id 7 for calling the PegasusDecoderPolicy obj's underlying member method code with example usage: obj.original_layer_class() and returns: PegasusDecoderLayer