src/Model/Page.php
public function addLayoutBlock(LayoutBlockInterface $layoutBlock)
    {
        $layoutBlock->setPage($this);
        $this->layoutBlock->add($layoutBlock);

        return $this;
    }
public function addLayoutBlock(LayoutBlockInterface $layoutBlock)
    {
        $layoutBlock->setPage($this);
        $this->layoutBlock->add($layoutBlock);

        return $this;
    }
public function addLayoutBlock ( LayoutBlockInterface $ layoutBlock ) { $ layoutBlock -> setPage ( $ this ) ; $ this -> layoutBlock -> add ( $ layoutBlock ) ; return $ this ; }
Add layout block.

@param LayoutBlockInterface $layoutBlock

@return $this
Add layout block .