import type { FindParkedTimeoutsInput, ProcessExpiredWorkflowsResult, WorkflowInstance, WorkflowRuntime } from "@duraflows/core";
export declare class WorkflowTimeoutService {
    private readonly runtime;
    constructor(runtime: WorkflowRuntime);
    processExpiredWorkflows(limit?: number): Promise<ProcessExpiredWorkflowsResult>;
    /** Instances parked after repeated timeout failures, oldest-parked first. */
    findParkedTimeouts(input?: FindParkedTimeoutsInput): Promise<WorkflowInstance[]>;
    /** Clears an instance's timeout retry state so the next sweep retries it. */
    rearmTimeout(workflowInstanceUuid: string): Promise<WorkflowInstance>;
}
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