class_docstr: Represents the output of a supervised training or eval process.
class_docstr_tok: ["Represents","the","output","of","a","supervised","training","or","eval","process","."]
code: def as_signature_def(self, receiver_tensors):
      signature_def_fn = self._get_signature_def_fn()
      return signature_def_fn(
          receiver_tensors, self.loss, self.predictions, self.metrics
      )
  
imports: import abc
  from tensorflow.python.framework import constant_op
  from tensorflow.python.framework import dtypes
  from tensorflow.python.framework import ops
  from tensorflow.python.framework import tensor
  from tensorflow.python.framework import tensor_util
  from tensorflow.python.keras.saving.utils_v1 import signature_def_utils
  from tensorflow.python.saved_model import signature_def_utils
label_desc: Use image node_id 9 for calling the _SupervisedOutput obj's underlying member method code with example usage: obj.as_signature_def(receiver_tensors) and returns: signature_def_fn