import { LevelDBTable } from "../LevelDBTable";
export declare abstract class LevelDBDataIndex<T, R> extends LevelDBTable<T> {
    abstract onInsert(records: R[], newState: R[]): Promise<void>;
    abstract onRemove(records: R[], newState: R[]): Promise<void>;
    onTrimming(belowNumber: number): Promise<void>;
}