import { IBeaconDb } from "@lodestar/beacon-node";
import { ChainForkConfig } from "@lodestar/config";
import { BeaconStateAllForks } from "@lodestar/state-transition";
import { Checkpoint } from "@lodestar/types/phase0";
import { Logger } from "@lodestar/utils";
import { GlobalArgs } from "../../options/globalOptions.js";
import { BeaconArgs } from "./options.js";
/**
 * Initialize a beacon state, picking the strategy based on the `IBeaconArgs`
 *
 * State is initialized in one of three ways:
 * 1. restore from weak subjectivity state (possibly downloaded from a remote beacon node)
 * 2. restore from db
 * 3. restore from genesis state (possibly downloaded via URL)
 *
 * The returned anchorState could be finalized or not.
 * - if we load from checkpointState, checkpointSyncUrl, genesisStateFile or archived db, it is finalized
 * - it's not finalized if we load from unsafeCheckpointState or lastPersistedCheckpointState
 */
export declare function initBeaconState(args: BeaconArgs & GlobalArgs, dataDir: string, chainForkConfig: ChainForkConfig, db: IBeaconDb, logger: Logger): Promise<{
    anchorState: BeaconStateAllForks;
    stateBytes: Uint8Array;
    isFinalized: boolean;
    wsCheckpoint?: Checkpoint;
}>;
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