import { ChainForkConfig } from "@lodestar/config";
import { Db } from "@lodestar/db";
export declare class PreGenesisStateLastProcessedBlock {
    private readonly bucket;
    private readonly type;
    private readonly db;
    private readonly key;
    constructor(_config: ChainForkConfig, db: Db);
    put(value: number): Promise<void>;
    get(): Promise<number | null>;
    delete(): Promise<void>;
}
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