import type { PublicKey } from "@chainsafe/bls/types";
import { BeaconConfig } from "@lodestar/config";
import { LightClientBootstrap, LightClientHeader, LightClientUpdate, SyncPeriod } from "@lodestar/types";
import { LightClientUpdateSummary } from "./isBetterUpdate.js";
export declare const MAX_SYNC_PERIODS_CACHE = 2;
export interface ILightClientStore {
    readonly config: BeaconConfig;
    /** Map of trusted SyncCommittee to be used for sig validation */
    readonly syncCommittees: Map<SyncPeriod, SyncCommitteeFast>;
    /** Map of best valid updates */
    readonly bestValidUpdates: Map<SyncPeriod, LightClientUpdateWithSummary>;
    getMaxActiveParticipants(period: SyncPeriod): number;
    setActiveParticipants(period: SyncPeriod, activeParticipants: number): void;
    finalizedHeader: LightClientHeader;
    optimisticHeader: LightClientHeader;
}
export interface LightClientStoreEvents {
    onSetFinalizedHeader?: (header: LightClientHeader) => void;
    onSetOptimisticHeader?: (header: LightClientHeader) => void;
}
export declare class LightClientStore implements ILightClientStore {
    readonly config: BeaconConfig;
    private readonly events;
    readonly syncCommittees: Map<number, SyncCommitteeFast>;
    readonly bestValidUpdates: Map<number, LightClientUpdateWithSummary>;
    private _finalizedHeader;
    private _optimisticHeader;
    private readonly maxActiveParticipants;
    constructor(config: BeaconConfig, bootstrap: LightClientBootstrap, events: LightClientStoreEvents);
    get finalizedHeader(): LightClientHeader;
    set finalizedHeader(value: LightClientHeader);
    get optimisticHeader(): LightClientHeader;
    set optimisticHeader(value: LightClientHeader);
    getMaxActiveParticipants(period: SyncPeriod): number;
    setActiveParticipants(period: SyncPeriod, activeParticipants: number): void;
}
export type SyncCommitteeFast = {
    pubkeys: PublicKey[];
    aggregatePubkey: PublicKey;
};
export type LightClientUpdateWithSummary = {
    update: LightClientUpdate;
    summary: LightClientUpdateSummary;
};
//# sourceMappingURL=store.d.ts.map