import { AfterViewInit, ElementRef, Renderer2, OnInit } from '@angular/core';
import { NgControl } from '@angular/forms';
export declare class LimitCharactersDirective implements AfterViewInit, OnInit {
    private el;
    private renderer;
    private ngControl?;
    appCharLimit: number;
    private effectiveLimit;
    private counterElement;
    private controlSub;
    private lastRowCount;
    constructor(el: ElementRef<HTMLTextAreaElement | HTMLInputElement>, renderer: Renderer2, ngControl?: NgControl);
    ngOnInit(): void;
    ngAfterViewInit(): void;
    onInput(): void;
    onPaste(e: ClipboardEvent): void;
    private updateCounter;
    ngOnDestroy(): void;
    private normalizeInput;
    private adjustHostHeight;
    private insertNewlineWhenRowsAtLeast;
}