import { DigestUnitEnum, ITimedConfig } from '@novu/shared';
interface ICalculateArgs {
    dateStart?: Date;
    unit: DigestUnitEnum;
    amount: number;
    timeConfig?: ITimedConfig;
}
export declare class TimedDigestDelayService {
    static calculate({ dateStart, unit, amount, timeConfig: { atTime, weekDays, monthDays, monthlyType, ordinal, ordinalValue, }, }: ICalculateArgs): number;
    private static calculateByFields;
    private static getUntilDate;
}
export {};
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