original_string: public function saveAlpha(Bool $save = true) : GD
      {
          imagesavealpha($this->canvas, $save);
  
          return $this;
      }
code: public function saveAlpha(Bool $save = true) : GD
      {
          imagesavealpha($this->canvas, $save);
  
          return $this;
      }
code_tokens: public function saveAlpha ( Bool $ save = true ) : GD { imagesavealpha ( $ this -> canvas , $ save ) ; return $ this ; }
docstring: Sets save alpha
  
  @param bool $save = true
  
  @return GD
docstring_tokens: Sets save alpha