This will generate a function signature in the source code with the const qualifier for the selected parameter, once the transformation is executed.

这样，当转换执行的时候，将在源代码中为选定的参数生成带有常量修饰符的函数签名。

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A parameter whose name is not prefixed by a context qualifier would be assumed to have global scope and refer to the higher level in the hierarchy (Application).

将假定无环境限定符作为名称前缀的参数有全局作用域，并且指的是层次结构中的较高层(应用程序)。

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