import type { Partition, PartitionSlice, PlannerContext, SortKey } from '../types.js';
export declare function splitSliceWithGroupByKey(context: PlannerContext, partition: Partition, slice: PartitionSlice, sortKeys: SortKey[], dimensionIndex: number): Promise<PartitionSlice[] | undefined>;
//# sourceMappingURL=group-by-key-split.d.ts.map