private function getCacheKey(ContainerConfigurationInterface $containerConfig, $queryText)
    {
        $tags = $this->getCacheTags($containerConfig);

        return implode('|', array_merge($tags, [$queryText]));
    }
private function getCacheKey(ContainerConfigurationInterface $containerConfig, $queryText)
    {
        $tags = $this->getCacheTags($containerConfig);

        return implode('|', array_merge($tags, [$queryText]));
    }
private function getCacheKey ( ContainerConfigurationInterface $ containerConfig , $ queryText ) { $ tags = $ this -> getCacheTags ( $ containerConfig ) ; return implode ( '|' , array_merge ( $ tags , [ $ queryText ] ) ) ; }
Returns the cache key of the query.

@param ContainerConfigurationInterface $containerConfig Search container configuration.
@param string                          $queryText       Fulltext query.

@return string
Returns the cache key of the query .