import { PersianService } from './persian-service';
import * as i0 from "@angular/core";
export declare class PersianNumberService implements PersianService {
    static persianNumberPattern: string;
    private static persianNumbersTable;
    private static englishNumbersTable;
    /**
     * Splits input value by persian letters and then returns length of matched array.
     *
     * @param value
     * @return 0 if input value has no persian letter, numbers of persian letters in the input value otherwise.
     */
    private static _getMatchedPatternLength;
    /**
     * Checks if input value contains any persian number or not.
     *
     * @param value
     * @return true if input value contains any persian number. false otherwise.
     */
    containsPersian(value: string): boolean;
    /**
     * Checks if input value contains only persian letters.
     *
     * @param value
     */
    isPersian(value: string): boolean;
    /**
     * Converts arabic numbers to the persian ones.
     *
     * @param value
     */
    arabicToPersian(value: string): string;
    /**
     * Converts all arabic and english numbers to the persian numbers.
     *
     * @param value
     */
    toPersian(value: string | number): string;
    /**
     * Convert persian numbers in input value to the english numbers.
     *
     * @param value
     */
    toEnglish(value: string): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<PersianNumberService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<PersianNumberService>;
}