import type { WorkerOutboundMessage } from './types.ts';
export declare class WorkerCheckpointResumeState {
    #private;
    resetWorkflow(workflowId: string): void;
    clear(): void;
    recordResume(workflowId: string): void;
    beginCheckpointHandling(message: WorkerOutboundMessage): number | null;
    finishCheckpointHandling(workflowId: string, resumeVersionBeforeCheckpointHandling: number | null, workflowIsClosed: boolean): void;
    wasResumedDuringCheckpointHandling(workflowId: string, resumeVersionBeforeCheckpointHandling: number | null): boolean;
    forgetWorkflowIfClosed(workflowId: string, workflowIsClosed: boolean): void;
}