presto-hive/src/main/java/io/prestosql/plugin/hive/SortingFileWriter.java/TempFile/TempFile
class TempFile:        public TempFile(Path path, long size)
        {
            checkArgument(size >= 0, "size is negative");
            this.path = requireNonNull(path, "path is null");
            this.size = size;
        }