BZ1063742 - Relax external class validation to allow use of @PropertyReactive
(cherry picked from commit c7c3b7f683ed1121b4da229bd9ed78767bd0214d)
BZ1063742 - Relax external class validation to allow use of @PropertyReactive
(cherry picked from commit 9c73ee8424172dc1718a868463164dc09892aed1)