import { LevelDBDataIndex } from "../../generic/LevelDBDataIndex";
import { DBBlock } from "../../../../../db/DBBlock";
export declare abstract class LevelIndexBlock extends LevelDBDataIndex<number[], DBBlock> {
    abstract matches(b: DBBlock): boolean;
    abstract keys(b: DBBlock): string[];
    onInsert(records: DBBlock[]): Promise<void>;
    onRemove(records: DBBlock[]): Promise<void>;
    private indexIt;
    private unindexIt;
}
export declare const LDBIndex_ALL = "ALL";