Classes in java.lang package may differ in how they are parsed

Such classes do not need import. However, when they have the import, they are treated as "java.lang.X", if they do not have it, then they are treated as X only.

This may be a problem when writing rules, because references="java.lang.System" will not apply for the System without import.

b) Extra problem is with the class Class<T> when it can be all from "Class" to "java.lang.Class<?>"