import cpp

from Function f, Class namingClass, Class base
where f.canAccessClass(base, namingClass)
  and // filter out compiler-generated junk
      not namingClass.getNamespace() instanceof GlobalNamespace
  and // only in same namespace
      f.getNamespace() = namingClass.getNamespace()
  and not f.isCompilerGenerated()
select f.getQualifiedName(),
  "Can convert "+ namingClass.getName() +" -> "+ base.getName()