class_docstr: Autoformer decoder.
class_docstr_tok: ["Autoformer","decoder","."]
code: def _build(self):
      return self._Decoder(
          self.layers, self.norm_layer, self.projection
      )
  
imports: from sktime.utils.validation._dependencies import _check_soft_dependencies
  import math
label_desc: Use image node_id 2 for calling the Decoder obj's underlying member method code with example usage: obj._build() and returns: self