original_string: public function clear()
      {
          $this->places = [];
          $this->transitions = [];
          $this->initialPlace = null;
          $this->metadataStore = null;
  
          return $this;
      }
code: public function clear()
      {
          $this->places = [];
          $this->transitions = [];
          $this->initialPlace = null;
          $this->metadataStore = null;
  
          return $this;
      }
code_tokens: public function clear ( ) { $ this -> places = [ ] ; $ this -> transitions = [ ] ; $ this -> initialPlace = null ; $ this -> metadataStore = null ; return $ this ; }
docstring: Clear all data in the builder.
  
  @return $this
docstring_tokens: Clear all data in the builder .