Method setMaximumAge

launcher/net/HttpMetaCache.h:75–75

    auto getMaximumAge() -> qint64 { return m_max_age; }
    void setMaximumAge(qint64 age) { m_max_age = age; }

    bool isExpired(qint64 offset) { return !m_is_eternal && (m_current_age >= m_max_age - offset); }