import { DatePipe } from "@angular/common";
import { TemplateRef } from "@angular/core";
import { Observable } from "rxjs";
import { OverlayService } from "../../overlay/overlay.service";
import { SafeAny } from "../../utilities/type/type";
import { BzContextMenuService } from "../context-menu/context-menu.service";
import { DatePicker } from "./date-picker";
import { DatePickerParams, FormatObject, RangeObject } from "./date-picker.interface";
export declare class BzDatePickerService {
    private overlayService;
    private contextMenuService;
    constructor(overlayService: OverlayService, contextMenuService: BzContextMenuService);
    private _closePicker$;
    private _openPicker$;
    private _map;
    listenToClosePicker(): Observable<boolean>;
    triggerClosePicker(value?: boolean): void;
    listenToOpenPicker(): Observable<boolean>;
    triggerOpenPicker(value?: boolean): void;
    openPicker(element: any, templateToAttach: TemplateRef<HTMLElement>, params?: DatePickerParams): Observable<Date | RangeObject | null> | null;
    /**
     * Private set datePicker params.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     * @param {any} datePicker
     * @param {any} params
     * @return {void}
     */
    private _setDatePickerParams;
    /**
     * Get picker instance.
     *
     * @author Federico Gambardella<federico.gambardella<fedega86@libero.it>
     * @param {HTMLElement} element
     * @returns {DatePicker}
     */
    getPickerInstance(element: HTMLElement): DatePicker | undefined;
    /**
     * Remove picker from map and return true o false
     * if the operation is done successfully or not.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     * @param {HTMLElement} element
     * @returns {boolean}
     */
    removePickerFromMap(element: HTMLElement): boolean;
    /**
     * Convert range date to string.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     * @param {Date} startDate
     * @param {Date} endDate
     * @param {DatePipe} datePipe
     * @returns {string}
     */
    stringifyRange(startDate: Date, endDate: Date, datePipe: DatePipe, format?: string): string;
    /**
     * Convert date in string.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     * @param {date} date
     * @param {DatePipe} datePipe
     * @param {string} format
     * @returns {string}
     */
    stringifyDate(date: Date, datePipe: DatePipe, format?: string): string;
    /**
     * Get first day name index of the week.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     * @param {string} dayName
     * @returns {number}
     */
    getFirstDayNameIndex(dayName: string): number;
    /**
     * Get first day of week.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     * @param {string} dayName
     * @returns {void}
     */
    getFirstDayOfWeek(dayName: string): number;
    /**
     * Get date format from locale.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     * @returns {string}
     */
    getDateFormatString(locale: string): string;
    /**
  * Get format date position.
  *
  * @author Federico Gambardella<fedega86@libero.it>
  * @param {string} format
  * @param {string} delimiter
  * @returns {FormatObject}
  */
    getFormatPosition(format: string, delimiter: string): FormatObject;
    /**
         * Gets first day name index of week by locale.
         *
         * @author Federico Gambardella<fedega86@libero.it>
         * @param {dayName} dayName
         * @returns {number}
         */
    getWeekDayByDayName(dayName: number): string;
    /**
   * Normalize form control to obtain a date.
   *
   * @author Federico Gambardella<fedega86@libero.it>
   * @param {AbstractControl} formControl
   * @returns
   */
    normalizeFormControl(value: SafeAny, dateFormat: string): Date | string;
    /**
     * Get date from string.
     *
     * @author Federico Gambardella<fedega86@libero.it>
     * @param {string} format
     * @param {string} dateString
     * @param {string} delimiter
     * @returns
     */
    private _getDateFromString;
    /**
   * Get delimiter by format.
   *
   * @author Federico Gambardella<fedega86@libero.it>
   * @param {string} format
   * @returns
   */
    private _getDelimiterByFormat;
}