ReadonlyexpiresReadonlyfenceReadonlypagesReadonlyscopeReadonlywritableDrops resident dirty bytes without publication.
Publishes writable pages together, or rejects with the previous manifest intact.
Returns the local region page. Read pages may be changed locally but are never written back.
Resident copies for one bounded region. Escaped views cannot be physically revoked; after release they are caller-owned and outside the directory's admission accounting. They never alias owners.