Optionalprovider: IMetadataProviderOptionalcontextUser: UserInfoCreate (or return/revive existing) MJ: Content Items row for FileID under ContentSourceID.
Refuses sources whose driver is not push-only (IsPushOnly !== true).
Mark an uploaded MJ: Content Items row, all its descendants, and all their chunks for deletion,
detaching the caller's FileID on each root upload://<FileID> item immediately and optionally
running DeleteContentItem and Delete right away.
StaticIngestConvenience static entry point for Ingest.
StaticRemoveConvenience static entry point for Remove.
Ingests and removes uploaded files in the Content Pipeline.