public function removeSelection(Selection $selection)
    {
        if ($this->selections->contains($selection)) {
            $this->selections->removeElement($selection);
        }
    }
public function removeSelection(Selection $selection)
    {
        if ($this->selections->contains($selection)) {
            $this->selections->removeElement($selection);
        }
    }
public function removeSelection ( Selection $ selection ) { if ( $ this -> selections -> contains ( $ selection ) ) { $ this -> selections -> removeElement ( $ selection ) ; } }
Removes a selection.

@param Selection $selection
Removes a selection .