ReadonlyfeaturesFeatures of this page, WKT already resolved and the cap already applied.
Readonlyindex0-based page number.
ReadonlydeliveredFeatures handed over so far, this page included — after the cap.
ReadonlyfetchedFeatures the source returned so far, this page included — before the cap.
Optional ReadonlymatchednumberMatched of the first page, when the server serves it. Never invented.
ReadonlynextCursor to the page after this one, or null when the loop stops here.
One page, handed over the instant it is parsed.
The consumer decides what to do with it — accumulate, or write it and forget it.
nextUrlis the cursor that WOULD be followed after this page, so a consumer can persist it as a resume point; it isnullon the last page, whatever stopped the loop.