import type { ClockConfigSnapshot, ClockSessionState, ClockTask } from './types.js';
export declare function setClockOffsetMs(value: number): void;
export declare function getClockOffsetMs(): number;
export declare function nowMs(): number;
export declare function buildEmptyState(sessionId: string): ClockSessionState;
export declare function coerceState(raw: unknown, sessionId: string): ClockSessionState;
export declare function cleanExpiredTasks(tasks: ClockTask[], config: ClockConfigSnapshot, atMs: number): ClockTask[];
