parameters: (object_type, encoder, decoder)
docstring: Extend what Pipeline can serialize.
  
    Args:
      object_type: type of the object.
      encoder: a function that takes in an object and returns
        a dict of json primitives.
      decoder: inverse function of encoder.
docstring_summary: Extend what Pipeline can serialize.
docstring_tokens: Extend what Pipeline can serialize .
function: def _register_json_primitive(object_type, encoder, decoder):
    """Extend what Pipeline can serialize.
  
    Args:
      object_type: type of the object.
      encoder: a function that takes in an object and returns
        a dict of json primitives.
      decoder: inverse function of encoder.
    """
    global _TYPE_TO_ENCODER
    global _TYPE_NAME_TO_DECODER
    if object_type not in _TYPE_TO_ENCODER:
      _TYPE_TO_ENCODER[object_type] = encoder
      _TYPE_NAME_TO_DECODER[object_type.__name__] = decoder
function_tokens: def _register_json_primitive ( object_type , encoder , decoder ) : global _TYPE_TO_ENCODER global _TYPE_NAME_TO_DECODER if object_type not in _TYPE_TO_ENCODER : _TYPE_TO_ENCODER [ object_type ] = encoder _TYPE_NAME_TO_DECODER [ object_type . __name__ ] = decoder