import { XApiConfig } from "../xapi/config";
import { XApiState } from "../xapi/lrs";
export declare const saveActivityState: (config: XApiConfig, stateId: string, state: XApiState) => Promise<boolean>;
export declare const retrieveActivityState: (config: XApiConfig, stateId: string, defaultValue?: import("../xapi/statement").JsonSerializable | undefined) => Promise<XApiState>;