presto-main/src/main/java/io/prestosql/execution/buffer/LazyOutputBuffer.java/LazyOutputBuffer/PendingRead
class LazyOutputBuffer:        public PendingRead(OutputBufferId bufferId, long startingSequenceId, DataSize maxSize)
        {
            this.bufferId = requireNonNull(bufferId, "bufferId is null");
            this.startingSequenceId = startingSequenceId;
            this.maxSize = requireNonNull(maxSize, "maxSize is null");
        }