List of default supported coders. First coder in the list has higher priority.

def coders(self):
        """List of default supported coders. First coder in the list has higher priority."""
        return (PrimitiveTypeCoder,
                TensorFlowCoder,
                FunctionCoder,
                ListCoder,
                DictCoder,
                SliceCoder,
                ParameterCoder,
                ParamListCoder,
                ParameterizedCoder,
                TransformCoder,
                PriorCoder)