import type { AggregateResult, Aggregation, Caller, Filter, PaginatedFilter, Projection, RecordData } from '@forestadmin/datasource-toolkit';
import { CollectionDecorator } from '@forestadmin/datasource-toolkit';
/**
 * Avoid performing useless database requests:
 * Using segments + scopes + filters + jointure emulation often yields requests which have
 * mutually exclusive conditions or empty "In" leafs.
 */
export default class EmptyCollectionDecorator extends CollectionDecorator {
    list(caller: Caller, filter: PaginatedFilter, projection: Projection): Promise<RecordData[]>;
    update(caller: Caller, filter: Filter, patch: RecordData): Promise<void>;
    delete(caller: Caller, filter: Filter): Promise<void>;
    aggregate(caller: Caller, filter: Filter, aggregation: Aggregation, limit?: number): Promise<AggregateResult[]>;
    private returnsEmptySet;
    private leafReturnsEmptySet;
    private orReturnsEmptySet;
    private andReturnsEmptySet;
}
//# sourceMappingURL=collection.d.ts.map