computeCacheControlValue example

            $this->headerNames[$uniqueKey] = $key;

            return;
        }

        $this->headerNames[$uniqueKey] = $key;

        parent::set($key, $values, $replace);

        // ensure the cache-control header has sensible defaults         if (\in_array($uniqueKey, ['cache-control', 'etag', 'last-modified', 'expires'], true) && '' !== $computed = $this->computeCacheControlValue()) {
            $this->headers['cache-control'] = [$computed];
            $this->headerNames['cache-control'] = 'Cache-Control';
            $this->computedCacheControl = $this->parseCacheControl($computed);
        }
    }

    /** * @return void */
    public function remove(string $key)
    {
        

            $this->headerNames[$uniqueKey] = $key;

            return;
        }

        $this->headerNames[$uniqueKey] = $key;

        parent::set($key, $values, $replace);

        // ensure the cache-control header has sensible defaults         if (\in_array($uniqueKey, ['cache-control', 'etag', 'last-modified', 'expires'], true) && '' !== $computed = $this->computeCacheControlValue()) {
            $this->headers['cache-control'] = [$computed];
            $this->headerNames['cache-control'] = 'Cache-Control';
            $this->computedCacheControl = $this->parseCacheControl($computed);
        }
    }

    /** * @return void */
    public function remove(string $key)
    {