add missing class declaration
add missing class declaration

rolembergfilho/Serenity,rolembergfilho/Serenity,volkanceylan/Serenity,rolembergfilho/Serenity,WasimAhmad/Serenity,volkanceylan/Serenity,WasimAhmad/Serenity,WasimAhmad/Serenity,volkanceylan/Serenity,volkanceylan/Serenity,WasimAhmad/Serenity,rolembergfilho/Serenity,rolembergfilho/Serenity,volkanceylan/Serenity,WasimAhmad/Serenity