However, the granting of immunity under national law is of interest in the context of this topic only because the corresponding provisions of national law may be considered as one indication of the existence of rules of customary international law in this sphere.
不过，根据国内法给予豁免与本专题之所以相关的唯一原因是，相关国内法规定可能被视为表明在此领域内存在习惯国际法原则的一个佐证。