public function addBlock($blockId, ModelInterface $block)
    {
        $this->blockPool->add($blockId, $block);
        return $this;
    }
public function addBlock($blockId, ModelInterface $block)
    {
        $this->blockPool->add($blockId, $block);
        return $this;
    }
public function addBlock ( $ blockId , ModelInterface $ block ) { $ this -> blockPool -> add ( $ blockId , $ block ) ; return $ this ; }
adds a block to the registry

@param   string          $blockId
@param   ModelInterface  $block
@return  LayoutInterface
adds a block to the registry