应该用相应的文件权限保护这个文件。
This file should be protected with respective file permissions.
此外，在没有权限保护时，内存访问必须遵循严格的类型安全。
Additionally, while not protected by a permission, memory access must be confined to strict type safety.
开始的步骤中有一步是确定究竟计划让您的自定义权限保护什么资源。
One of the first steps is to determine exactly what resource your custom permission is designed to protect.
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