original_string: public function getElements()
      {
          if (self::$elements === null) {
              self::$elements = $this->loadJson($this->resource('OptionalElements.json'))->elements;
          }
  
          return self::$elements;
      }
code: public function getElements()
      {
          if (self::$elements === null) {
              self::$elements = $this->loadJson($this->resource('OptionalElements.json'))->elements;
          }
  
          return self::$elements;
      }
code_tokens: public function getElements ( ) { if ( self :: $ elements === null ) { self :: $ elements = $ this -> loadJson ( $ this -> resource ( 'OptionalElements.json' ) ) -> elements ; } return self :: $ elements ; }
docstring: Get the optional html elments.
  
  @throws \ArjanSchouten\HtmlMinifier\Exception\FileNotFoundException
  
  @return mixed
docstring_tokens: Get the optional html elments .