import { AfterViewInit, ElementRef } from "@angular/core";
import { ControlValueAccessor, NgControl, NgModel } from "@angular/forms";
export interface IAutoSizeComponent extends ControlValueAccessor {
    getInputElement(): HTMLInputElement | HTMLTextAreaElement;
}
export declare class AutoSizeDirective implements AfterViewInit {
    private el;
    private control;
    private ngModel;
    maxHeight: number;
    autoSizeLines: number;
    private lineHeight;
    private paddings;
    private lastText;
    private jsArea;
    private valueAccessor;
    private widthDirty;
    constructor(el: ElementRef, control: NgControl, ngModel: NgModel);
    ngAfterViewInit(): void;
    onResize(): void;
    private adjust;
    private initMirror;
    private isCurrentMirror;
    private setWidth;
}