import { DateAdapter, RuleOption } from '@rschedule/core';
import { IFrequencyRuleOptions, INormFrequencyRuleOptions } from '../Frequency';
import ByTimeOfUnitRule from '../utilities/by-time-of-unit';
declare module '../../recurrence-rule-options' {
  namespace RuleOption {
    type ByHourOfDay = DateAdapter.Hour;
  }
  interface IRuleOptions extends IByHourOfDayRuleRuleOptions {}
  interface INormRuleOptions extends INormByHourOfDayRuleRuleOptions {}
}
export interface IByHourOfDayRuleRuleOptions extends IFrequencyRuleOptions {
  byHourOfDay?: RuleOption.ByHourOfDay[];
}
export interface INormByHourOfDayRuleRuleOptions
  extends INormFrequencyRuleOptions {
  byHourOfDay?: RuleOption.ByHourOfDay[];
}
export declare class ByHourOfDayRule extends ByTimeOfUnitRule<
  INormByHourOfDayRuleRuleOptions
> {
  protected readonly baseGranularity: DateAdapter.TimeUnit;
  protected readonly granularity: DateAdapter.TimeUnit;
  protected readonly option: DateAdapter.Hour[];
}