eZ\Publish\Core\Persistence\Legacy\Content\Type\MemoryCachingHandler::getSearchableFieldMap PHP Method

    public function getSearchableFieldMap()
    {
        if ($this->searchableFieldMap !== null) {
            return $this->searchableFieldMap;
        }
        return $this->searchableFieldMap = $this->innerHandler->getSearchableFieldMap();
    }