original_string: protected function _pluginCondition(ServerRequest $request)
      {
          if ($request->getParam('plugin') !== null) {
              return [$this->getAlias() . '.plugin' => $request->getParam('plugin')];
          }
  
          return [$this->getAlias() . '.plugin IS NULL'];
      }
code: protected function _pluginCondition(ServerRequest $request)
      {
          if ($request->getParam('plugin') !== null) {
              return [$this->getAlias() . '.plugin' => $request->getParam('plugin')];
          }
  
          return [$this->getAlias() . '.plugin IS NULL'];
      }
code_tokens: protected function _pluginCondition ( ServerRequest $ request ) { if ( $ request -> getParam ( 'plugin' ) !== null ) { return [ $ this -> getAlias ( ) . '.plugin' => $ request -> getParam ( 'plugin' ) ] ; } return [ $ this -> getAlias ( ) . '.plugin IS NULL' ] ; }
docstring: Get the plugin query condition for a given request.
  
  @param ServerRequest $request
  @return array
docstring_tokens: Get the plugin query condition for a given request .