class_docstr: Context Aggregation Network
class_docstr_tok: ["Context","Aggregation","Network"]
code: def get_output_spec(self) -> FeatureMapsSpecification:
      return self.output_spec
  
imports: from typing import List
  import torch
  import torch.nn.functional
  from torch import nn, Tensor
  from ..dsconv import DepthwiseSeparableConv2d
  from ..interfaces import AbstractDecoder, FeatureMapsSpecification
label_desc: Use image node_id 3 for calling the CANDecoder obj's underlying member method code with example usage: obj.get_output_spec() and returns: self