import { EventEmitter, OnInit } from '@angular/core';
import { DxTextAreaComponent } from 'devextreme-angular';
export declare class CauseTextAreaLimitedComponent implements OnInit {
    textarea: DxTextAreaComponent;
    value: string;
    maxChar: number;
    format: string;
    valueChanged: EventEmitter<any>;
    private gsm7bitChars;
    private gsm7bitCharsExt;
    private gsm7bitRegExp;
    private gsm7bitExtRegExp;
    private gsm7bitExtOnlyRegExp;
    private messageLength;
    private multiMessageLength;
    constructor();
    ngOnInit(): void;
    changed(e: any): void;
    getNumberOfSms(): number;
    getNumberOfChar(): string;
    private countSmsChars;
    private countGsm7bitExt;
    private getCharset;
}