QBankApi.php
public function filters()
    {
        if (!$this->filters instanceof FiltersController) {
            $this->filters = new FiltersController($this->getClient(), $this->cachePolicy, $this->cache);
            $this->filters->setLogger($this->logger);
        }

        return $this->filters;
    }
public function filters()
    {
        if (!$this->filters instanceof FiltersController) {
            $this->filters = new FiltersController($this->getClient(), $this->cachePolicy, $this->cache);
            $this->filters->setLogger($this->logger);
        }

        return $this->filters;
    }
Filters are used for filtering media by its folder, category or a specific property.

@return FiltersController