class_docstr: Decoder Layer.
  
  Autoformer decoder layer with the progressive decomposition architecture
class_docstr_tok: ["Decoder","Layer",".","Autoformer","decoder","layer","with","the","progressive","decomposition","architecture"]
code: def _build(self):
      return self._DecoderLayer(
          self.self_attention,
          self.cross_attention,
          self.d_model,
          self.c_out,
          self.d_ff,
          self.moving_avg,
          self.dropout,
          self.activation,
      )
  
imports: from sktime.utils.validation._dependencies import _check_soft_dependencies
  import math
label_desc: Use image node_id 2 for calling the DecoderLayer obj's underlying member method code with example usage: obj._build() and returns: self