private String generatedSubclassName(TypeElement type, int depth, String subFix) {
        return generatedClassName(type, null, Strings.repeat("$", depth) + subFix);
    }
Created by guohao4 on 2017/9/6.
Email: Tornaco@163.com
android/annotation_processors/permission-requester-compiler/src/main/java/github/tornaco/permission/compiler/RuntimePermissionsCompiler.java