static void checkEC2SecurityGroup(EC2SecurityGroup security) { checkNotNull( security.getId(), "Id can be null for a SecurityGroup, but its Optional Wrapper cannot: %s", security); checkNotNull(security.getStatus(), "Status cannot be null for a SecurityGroup: %s", security); checkNotNull(security.getName(), "Name cannot be null for a SecurityGroup: %s", security); checkNotNull(security.getOwnerId(), "Name cannot be null for a SecurityGroup: %s", security); }