import type { WorkflowRepository } from "./repository.js";
import type { WorkflowAttemptRecord, WorkflowRunDetail } from "./runtime.js";
import type { WorkflowSessionExecutor } from "./session-executor.js";
export declare const REMINDER_RUNGS_MINUTES: readonly [5, 15, 30];
export declare function addMinutes(at: string, minutes: number): string;
export declare function hasWorkflowOutputBlock(text: string): boolean;
/** What the sweep borrows from the runner: the two collaborators it reads, plus
 *  the run lookup and change notification the runner owns privately. */
export interface ReminderLadderPorts {
    repository: WorkflowRepository;
    executor: WorkflowSessionExecutor;
    activeRun: (attempt: WorkflowAttemptRecord) => WorkflowRunDetail;
    changed: (run: WorkflowRunDetail) => void;
}
export declare function remindDueAttempts(now: string, ports: ReminderLadderPorts): Promise<void>;
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