/**
 * Enum for frequency types of a streak.
 *
 * @enum {string}
 */
export declare enum FrequencyType {
    /** Streak occurs daily. */
    Daily = "daily",
    /** Streak occurs weekly. */
    Weekly = "weekly",
    /** Streak occurs monthly. */
    Monthly = "monthly",
    /** Streak has a custom frequency. */
    Custom = "custom"
}
/**
 * Enum for days of the week to indicate the start of a week.
 *
 * @enum {string}
 */
export declare enum WeekStartDay {
    /** Week starts on Monday. */
    Monday = "Monday",
    /** Week starts on Tuesday. */
    Tuesday = "Tuesday",
    /** Week starts on Wednesday. */
    Wednesday = "Wednesday",
    /** Week starts on Thursday. */
    Thursday = "Thursday",
    /** Week starts on Friday. */
    Friday = "Friday",
    /** Week starts on Saturday. */
    Saturday = "Saturday",
    /** Week starts on Sunday. */
    Sunday = "Sunday"
}
/**
 * Configuration used for calculating a streak.
 *
 * @interface StreakConfig
 * @property {FrequencyType} frequencyType - The frequency type of the streak.
 * @property {number} customFrequencyMS - The custom frequency in milliseconds, applicable if frequency type is Custom.
 * @property {WeekStartDay} weekStartDay - The day of the week the streak is considered to start on. Defaults to Monday.
 * @property {boolean} countSamePeriod - Flag indicating whether to count occurrences within the same period towards the streak. For example, using a daily streak should two events on Monday count as a streak of 2 or 1? Defaults to false.
 */
export interface StreakConfig {
    frequencyType: FrequencyType;
    customFrequencyMS: number;
    weekStartDay: WeekStartDay;
    countSamePeriod: boolean;
}