original_string: protected function _setup()
      {
          parent::_setup();
  
          $this->_setupPrimaryAssignment();
          $this->setLifetime($this->_lifetime);
  
          $this->_checkRequiredColumns();
      }
code: protected function _setup()
      {
          parent::_setup();
  
          $this->_setupPrimaryAssignment();
          $this->setLifetime($this->_lifetime);
  
          $this->_checkRequiredColumns();
      }
code_tokens: protected function _setup ( ) { parent :: _setup ( ) ; $ this -> _setupPrimaryAssignment ( ) ; $ this -> setLifetime ( $ this -> _lifetime ) ; $ this -> _checkRequiredColumns ( ) ; }
docstring: Calls other protected methods for individual setup tasks and requirement checks
  
  @return void
docstring_tokens: Calls other protected methods for individual setup tasks and requirement checks