question: private boolean isAssignableFrom ( Throwable concreteThrowable , Set < Class < ? extends Throwable > > throwableClasses ) { for ( Class < ? extends Throwable > t : throwableClasses ) { if ( t . isAssignableFrom ( concreteThrowable . getClass ( ) ) ) { return true ; } } return false ; }
target:  Tests if concreteThrowable.getClass is assignable to any of the classes in throwableClasses