The download zone the user chose for vector basemaps, or null when none was chosen.
Zoom levels left out because each held too many tiles.
true when the enumeration stopped at the total tile cap — the rest was never listed.
OptionalrefusedWhat the origin rule refused: one entry per source and origin — source names the basemap
or the tiled layer (basemap street, layer l1), origin the origin not declared for
the preparation. Empty when nothing was refused; absent from a manifest written before
3.15.0, which only logged it.
What an offline preparation asked for, and what it left out — kept in the cache manifest so the device can say it later, off-network. Before it, a skipped zoom or a stopped enumeration was only LOGGED, and a console on a device in the field is read by nobody.