public function addTransformer(TransformerContract $transformer): HandlerContract
    {
        $this->transformers[\get_class($transformer)] = $transformer;

        return $this;
    }
public function addTransformer(TransformerContract $transformer): HandlerContract
    {
        $this->transformers[\get_class($transformer)] = $transformer;

        return $this;
    }
public function addTransformer ( TransformerContract $ transformer ) : HandlerContract { $ this -> transformers [ \ get_class ( $ transformer ) ] = $ transformer ; return $ this ; }
Add the transformed instance.

@param \Viserio\Component\Contract\Exception\Transformer $transformer

@return $this
Add the transformed instance .