import { TasksType, TaskFeildsType, TimeZone, GroupFeildsType, dayInfoType } from "../definitions";
export declare const DAY_IN_MILLISECONDS = 86400000;
export declare const WEEK_IN_MILLISECONDS: number;
export declare const startDateMilliseconds: number;
export declare const endDateMilliseconds: number;
export declare function getDayHourlyForWeek(weekOffset: number, timeZone?: TimeZone): {
    positionDay: number;
    day: Date;
    start: number;
    end: number;
}[];
/**
 * Get daily hours for all days of a specific month.
 * @param monthOffset - The number of months to offset from current month.
 * @param timeZone - The optional timezone.
 * @returns An array of day objects containing start and end timestamps.
 */
export declare function getDayHourlyForMonth(monthOffset: number, timeZone?: TimeZone): {
    positionDay: number;
    day: Date;
    start: number;
    end: number;
}[];
export declare function millisecondsToDate(milliseconds: number): {
    formattedDate: string;
    dayOfWeek: string;
};
export declare function millisecondsToInt(milliseconds: number): {
    formattedDate: string;
    dayOfWeek: string;
};
export declare function getWeekDays(jump: number, timeZone?: TimeZone): {
    day: string;
    dayMonth: string;
    dayYear: number;
    dayOfTheMonth: number;
}[];
/**
 * Get days of a specific month with an offset.
 * @param monthOffset - The number of months to offset from current month.
 * @param timeZone - The optional timezone.
 * @returns An array of day metadata for the target month.
 */
export declare function getMonthDay(monthOffset: number, timeZone?: TimeZone): {
    day: string;
    dayMonth: string;
    dayYear: number;
    dayOfTheMonth: number;
}[];
/**
 * Calculate the week difference between the selected date and the current date.
 * @param dateSelectionnee - The selected date.
 * @returns The week difference in days.
 */
export declare function calculateWeekDifference(dateSelectionnee: Date, timeZone?: TimeZone): number;
/**
 * Calculate the day difference between the selected date and the current date.
 * @param dateSelectionnee - The selected date.
 * @param timeZone - The optional timezone.
 * @returns The difference in days.
 */
export declare function calculateDayDifference(dateSelectionnee: Date, timeZone?: TimeZone): number;
/**
 * Calculate the month difference between the selected date and the current date.
 * @param dateSelectionnee - The selected date.
 * @param timeZone - The optional timezone.
 * @returns The difference in months.
 */
export declare function calculateMonthDifference(dateSelectionnee: Date, timeZone?: TimeZone): number;
/**
 * Calculate the number of weeks since an arbitrary origin date (January 1, 2022).
 * @param annee - The year.
 * @param numeroSemaine - The week number.
 * @returns The number of weeks since the origin date.
 */
/**
 * Calculates new task properties (position, start/end times) for custom drag and drop or paste operations.
 *
 * **Note:** This function relies on `event.dataTransfer` (or `clipboardData`) to retrieve the source task's data.
 *
 * @param event - The drag or paste event.
 * @param positionDay - The new day index target.
 * @param dropGroupId - The group ID where the task is being dropped.
 * @param getTask - Function to retrieve a task by its hash and ID.
 * @param hash - The target bucket hash.
 * @returns Object containing new timestamps and complete task data.
 */
export declare function getNewTaskForDropOrPaste(event: any, positionDay: number, dropGroupId: string, getTask: (hash: string, taskId: string) => TaskFeildsType | undefined, hash: string): {
    taskDropStart: number;
    taskDropEnd: number;
    taskDropDate: Date;
    newTask: any;
} | null | undefined;
export declare function compareWeekOffset(calendarDate: Date, weekOffset: number, taskDate: Date, timeZone?: TimeZone): boolean;
export declare function compareMonthOffset(monthOffset: number, taskDate: Date, timeZone?: TimeZone): boolean;
export declare function compareDayOffset(dayOffset: number, taskDate: Date, timeZone?: TimeZone): boolean;
export declare const sumHoursByGroups: (groupId: string, tasks: TasksType | any, weekOffset: number, calendarDate: Date, timeZone?: TimeZone) => number;
export declare const sumHoursByGroupsForMonth: (groupId: string, tasks: TasksType | any, monthOffset: number, timeZone?: TimeZone) => number;
export declare const sumHoursByGroupsForDay: (groupId: string, tasks: TasksType | any, dayOffset: number, timeZone?: TimeZone) => number;
export declare function saveTasksToLocalStorage(tasks: TasksType): void;
export declare const updateCalendarDateWithOffset: (offset: number, timeZone?: TimeZone) => Date;
export declare const updateOffsetWithDateCalendarForWeek: (calendarDate: Date, timeZone?: TimeZone) => number;
export declare const updateOffsetWithDateCalendarForMonth: (calendarDate: Date, timeZone?: TimeZone) => number;
export declare const updateOffsetWithDateCalendarForDay: (calendarDate: Date, timeZone?: TimeZone) => number;
export declare const millisecondsToHours: (milliseconds: number) => string;
export declare const checkDuplicates: (tasks: TasksType, taskStart: number, taskEnd: number, groupId: string) => boolean;
export declare const getSavedTasks: () => any;
export declare const deleteTaskSaved: (taskId: string) => void;
export declare const deleteTasksSaved: () => void;
export declare function getWeeksInMonth(year: number, month: number): number;
export declare function getMonthNumber(monthName: string): number;
export declare function getDateObjectInTimeZone(timeZone: string): Date;
/**
 * Returns the current date according to the selected timezone or the local time.
 * @param timeZone - The optional timezone.
 * @returns The current date.
 */
export declare function getCalendarDate(timeZone?: TimeZone): Date;
export declare function getArbitraryDateInTimeZone(date: Date, timeZone?: string): Date;
export declare function recurringTasks(allTasks: TasksType, task: TaskFeildsType, recurrenceType: "daily" | "weekly" | "monthly", occurrences: number, timeZone?: TimeZone): TaskFeildsType[];
export declare function getHoursByday(tasks: TaskFeildsType[], dayIndex: 0 | 1 | 2 | 3 | 4 | 5 | 6, weekOffset?: number, timeZone?: TimeZone): number;
export declare function getHoursByGroup(tasks: TaskFeildsType[], groupId: string, weekOffset?: number, timeZone?: TimeZone): number;
export declare function getTaskProgression(task: TaskFeildsType, timeZone?: TimeZone): string | 0 | 100;
export declare function convertTasksToIcsFormat(tasks: TaskFeildsType[]): string;
export declare function addTask(tasks: TaskFeildsType[], task: TaskFeildsType): TaskFeildsType[];
export declare function deleteTask(tasks: TaskFeildsType[], taskId: string): TaskFeildsType[];
export declare function getTaskInfoById(tasks: TaskFeildsType[], groups: GroupFeildsType[], taskId: string): {
    group: GroupFeildsType | undefined;
    task: TaskFeildsType;
};
export declare function selectTask(task: TaskFeildsType): void;
export declare function deSelectTask(task: TaskFeildsType): void;
export declare function copyTasks(task: TaskFeildsType): void;
export declare function cutTasks(task: TaskFeildsType, tasks: TaskFeildsType[]): TaskFeildsType[];
export declare function getUniqueId(): string;
export declare function pastTasks(dayInfo: dayInfoType, groupId: string, tasks: TaskFeildsType[], taskExpiryDate?: Date, timeZone?: TimeZone): TaskFeildsType[] | undefined;
export declare function updateTask(tasks: TaskFeildsType[], taskId: string, newtask: TaskFeildsType): TaskFeildsType[];
export declare function duplicateTasksForPeriod(periodStart: Date, periodEnd: Date, calendarOffset: number, allTasks: TasksType): TasksType;
export declare function duplicateTaskForPeriod(periodStart: Date, periodEnd: Date, task: TaskFeildsType, ecartDay?: number, groupId?: string, taskExpiryDate?: Date): TasksType;
export declare const GetTimeRangeByDay: (start: number, end: number) => number[];
export declare function totalLabel(milliseconds: number): string;
export declare function getHash(weekOffset: number, groupId?: string, dayIndex?: number): {
    week: string;
    group: string;
    day: string;
};