export type NativeGuardedClockScheduleItem = {
    dueAtMs: number;
    setBy?: string;
    task: string;
    recurrence?: unknown;
    notBeforeRequestId?: string;
};
export declare function buildGuardedClockScheduleItemWithNative(marker: unknown, requestId: string, dueWindowMs: number, nowMs: number): NativeGuardedClockScheduleItem;
export declare function normalizeDueInjectTextWithNative(value: unknown): string;
export declare function shouldReserveClockDueReminderWithNative(hadClear: boolean, sessionId: string | null): boolean;
