import { Context, GlobalCheckpoint, ICheckpointer } from "../types";
export declare class Checkpointer implements ICheckpointer {
    private checkpoints;
    private datastore;
    constructor();
    loadCheckpointFromFile(filePath: string): void;
    loadAllCheckpointsOnInit(): Promise<void>;
    isCompleted(ctx: Context): boolean;
    getCheckpointStatus(threadId: string): import("../types").StatusChck;
    getCheckpointStatusPending(): GlobalCheckpoint[];
    getActualThreadID(thread_id: string): GlobalCheckpoint;
    resetCheckpoint(threadId: string): void;
    saveCheckpoint(args: GlobalCheckpoint): Promise<void>;
    loadCheckpointFromDatastore(thread_id: string): Promise<GlobalCheckpoint[] | null>;
    deleteCheckpoint(thread_id: string): Promise<void>;
    updateCheckpointStatus(args: GlobalCheckpoint, force?: boolean): Promise<void>;
    private writeCheckpointToDatastore;
}