class_docstr: Base class for all decoder modules.
  
  Args:
      config (ConfigBase): Configuration object.
  
  Attributes:
      in_dim (int): Dimension of input Tensor passed to the decoder.
      out_dim (int): Dimension of output Tensor produced by the decoder.
docstr: Returns the decoder module.
code: def get_decoder(self):
      """Returns the decoder module."""
      raise NotImplementedError()
  
file_path: pytext/pytext/models/decoders/decoder_base.py
imports: from pytext.config import ConfigBase
  from pytext.models.module import Module
  from pytext.utils.usage import log_class_usage
label_desc: Use image node_id 3 for calling the DecoderBase obj's underlying member method code with example usage: obj.get_decoder() without return types