OptionalpageEffective page size used by the backend for the returned chunk. Return this when the server can clamp or otherwise adjust the requested page size so the Grid can keep chunk indexing aligned.
OptionalrowStable identifiers for the fetched rows. When omitted, the Grid assigns
sequential numeric IDs starting from offset.
Total number of rows available on the server for the current query. Used to calculate page count and scrollbar size.
Column data keyed by column ID, where each value is an array of cell values for the fetched rows.