io_stats_snapshot Declarationstruct io_stats_snapshot { ... }; TopicsInstance Propertiesss_data_countss_data_sizess_disk_reads_countss_disk_reads_sizess_disk_writes_countss_disk_writes_sizess_io_priority_countss_io_priority_sizess_metadata_countss_metadata_sizess_non_paging_countss_non_paging_sizess_paging_countss_paging_size