code: def compute_output_spec(self, x):
      return backend.KerasTensor(x.shape, x.dtype)
  
imports: from keras import backend
  from keras import ops
  from keras.api_export import keras_export
label_desc: Use image node_id 3 for calling the ReLU obj's underlying member method code with example usage: obj.compute_output_spec(x) and returns: backend