@@ -0,0 +1,389 @@
+package com.statemachinesystems.envy;%0A%0Aimport java.lang.annotation.ElementType;%0Aimport java.lang.annotation.Retention;%0Aimport java.lang.annotation.RetentionPolicy;%0Aimport java.lang.annotation.Target;%0A%0A%0A/**%0A * Marks a nullable return value of an accessor method in a configuration interface.%0A */%0A@Retention(RetentionPolicy.RUNTIME)%0A@Target(ElementType.METHOD)%0Apublic @interface Optional %7B%7D%0A

Add @Optional annotation