import { ElementRef, OnInit } from '@angular/core';
/**
 *
 * Autofocus element once its loaded
 *
 * @example
 * <input type="text" rc-autofocus />
 */
export declare class RcTextareaAutoresizeDirective implements OnInit {
    element: ElementRef;
    /**
     * Active / autofocus
     */
    autoresize: boolean;
    /**
     * Listen to input event
     * @param HTMLTextAreaElement textArea
     */
    onInput(textArea: HTMLTextAreaElement): void;
    constructor(element: ElementRef);
    /**
     * On init - adjust height
     */
    ngOnInit(): void;
    /**
     * adjust textarea height by text
     */
    adjust(): void;
}