import { Attributes } from 'jinge';
import { BaseField, BaseFieldAttrs } from '../field/base';
export interface TextareaAttrs {
    id?: string;
    autogrow?: boolean;
    cols?: string | number;
    rows?: string | number;
}
export declare class Textarea extends BaseField {
    static template: string;
    id: string;
    cols: string | number;
    rows: string | number;
    _lineCount: number;
    _autogrow: boolean;
    constructor(attrs: Attributes<TextareaAttrs & BaseFieldAttrs>);
    __afterRender(): void;
    __beforeDestroy(): void;
    _calcStyles(el: HTMLElement): void;
    get autogrow(): boolean;
    set autogrow(v: boolean);
    onInput(evt: InputEvent): void;
}