subpage to hide sync
1
https://www.notion.so/runotion/21ad68f9443642be852a0912597b385d#2a0e4f23d19a4d7a862413b7a06cf893
https://www.notion.so/2a0e4f23d19a4d7a862413b7a06cf893
Conclusion: It seems that synced blocks are PAGES.