code: protected function getQueryParameters(EncodingParametersInterface $parameters)
      {
          return new EncodingParameters(
              $parameters->getIncludePaths(),
              $parameters->getFieldSets(),
              $parameters->getSortParameters() ?: $this->defaultSort(),
              $parameters->getPaginationParameters() ?: $this->defaultPagination(),
              $parameters->getFilteringParameters(),
              $parameters->getUnrecognizedParameters()
          );
      }
docs: Get JSON API parameters to use when constructing an Eloquent query.
  
  This method is used to push in any default parameter values that should
  be used if the client has not provided any.
  
  @param EncodingParametersInterface $parameters
  @return EncodingParametersInterface