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willMakeFinalResponseUncacheable example

        foreach (self::INHERIT_DIRECTIVES as $directive) {
            if (false !== $this->flagDirectives[$directive]) {
                $this->flagDirectives[$directive] = $response->headers->hasCacheControlDirective($directive);
            }
        }

        $age = $response->getAge();
        $this->age = max($this->age, $age);

        if ($this->willMakeFinalResponseUncacheable($response)) {
            $this->isNotCacheableResponseEmbedded = true;

            return;
        }

        $isHeuristicallyCacheable = $response->headers->hasCacheControlDirective('public');
        $maxAge = $response->headers->hasCacheControlDirective('max-age') ? (int) $response->headers->getCacheControlDirective('max-age') : null;
        $this->storeRelativeAgeDirective('max-age', $maxAge, $age, $isHeuristicallyCacheable);
        $sharedMaxAge = $response->headers->hasCacheControlDirective('s-maxage') ? (int) $response->headers->getCacheControlDirective('s-maxage') : $maxAge;
        $this->storeRelativeAgeDirective('s-maxage', $sharedMaxAge, $age, $isHeuristicallyCacheable);