src/Behaviour/CacheInvalidator.php
public function setCacheInvalidationSettings($settings) {
        $this->cacheInvalidationSettings = is_string($settings) ? $settings : json_encode($settings, JSON_PRETTY_PRINT);
        return $this;
    }
public function setCacheInvalidationSettings($settings) {
        $this->cacheInvalidationSettings = is_string($settings) ? $settings : json_encode($settings, JSON_PRETTY_PRINT);
        return $this;
    }
Sets the cache invalidation settings.

@param  array|string $settings
@return $this