import { Observable } from 'rxjs';
import { McbDateDescriptor, McbDateFormat, McbDateManipulationUnit, McbDateFormatOptions } from '../types';
export declare class McbDate {
    private date;
    private constructor();
    private static resetTime;
    /**
     * Returns the current client date
     */
    static clientDate(includeTime?: boolean): McbDate;
    /**
     * Returns the current server date
     */
    static serverDate(): Observable<McbDate>;
    /**
     * Creates a McbDate instance from the given Jalaali date
     */
    static fromJalaali(date: McbDateDescriptor): McbDate;
    /**
     * Creates a McbDate instance from the given Gregorian date
     */
    static fromGregorian(date: McbDateDescriptor): McbDate;
    /**
     * Parse a string as a Jalaali date and returns its equivalent McbDate
     */
    static parseJalaali(date: string, format: McbDateFormat): McbDate;
    /**
     * Parse a string as a Gregorian date and returns its equivalent McbDate
     */
    static parseGregorian(date: string, format: McbDateFormat): McbDate;
    /**
     * Parse a string as a MCB Server date and returns its equivalent McbDate
     */
    static parseServer(date: string): McbDate;
    /**
     * Creates an invalid date
     */
    static invalid(): McbDate;
    /**
     * Determines if this instance is a valid date
     */
    isValid(): boolean;
    /**
     * Adds a specefic amount of time to the current McbDate
     */
    add(amount: number, unit: McbDateManipulationUnit): McbDate;
    /**
     * Subtracts a specefic amount of time from the current McbDate
     */
    subtract(amount: number, unit: McbDateManipulationUnit): this;
    /**
     * Checks if this McbDate is before another McbDate
     */
    isBefore(date: McbDate): boolean;
    /**
     * Checks if this McbDate is after another McbDate
     */
    isAfter(date: McbDate): boolean;
    /**
     * Checks if this McbDate is same or after another McbDate
     */
    isSameOrAfter(date: McbDate): boolean;
    /**
     * Checks if this McbDate is before another McbDate
     */
    isSameOrBefore(date: McbDate): boolean;
    /**
     * Returns Jalaali date equivalent to this McbDate instance
     */
    toJalaali(): McbDateDescriptor;
    /**
     * Returns Gregorian date equivalent to this McbDate instance
     */
    toGregorian(): McbDateDescriptor;
    /**
     * Converts this McbDate instance to a Jalaali date string
     */
    formatJalaali(format?: McbDateFormat, options?: McbDateFormatOptions): string;
    /**
     * Converts this McbDate instance to a Gregorian date string
     */
    formatGregorian(format?: McbDateFormat, options?: McbDateFormatOptions): string;
    /**
     * Converts this McbDate instance to a MCB server recognizable date string
     */
    formatServer(): string;
}