import { Ordering } from "../ordering";
import { Epoch } from "./epoch";
import { EpochId } from "./epochid";
export interface EpochStoreJSON {
    readonly epochs: Array<[string, Epoch]>;
}
export declare function compareEpochFullIds(id1: number[], id2: number[]): Ordering;
export declare class EpochStore {
    static fromPlain(o: unknown): EpochStore | null;
    private epochs;
    constructor(origin: Epoch);
    addEpoch(epoch: Epoch): void;
    hasEpoch(epoch: Epoch): boolean;
    getEpoch(epochId: EpochId): Epoch | undefined;
    getEpochFullId(epoch: Epoch): number[];
    getEpochPath(epoch: Epoch): Epoch[];
    getPathBetweenEpochs(from: Epoch, to: Epoch): [Epoch[], Epoch[]];
    toJSON(): EpochStoreJSON;
}