presto-main/src/main/java/io/prestosql/sql/gen/VarArgsToArrayAdapterGenerator.java/VarArgsToArrayAdapterGenerator/VarArgsToArrayAdapterState
class VarArgsToArrayAdapterGenerator:        public VarArgsToArrayAdapterState(Object userState, Object args)
        {
            this.userState = userState;
            this.args = requireNonNull(args, "args is null");
        }