presto-main/src/main/java/io/prestosql/execution/buffer/OutputBufferInfo.java/OutputBufferInfo/hashCode
class OutputBufferInfo:    @Override
    public int hashCode()
    {
        return Objects.hash(state, canAddBuffers, canAddPages, totalBufferedBytes, totalBufferedPages, totalRowsSent, totalPagesSent, buffers);
    }