import React, { ReactNode } from 'react';
import { AbstractFormControl } from '../form-control';
import { ITextArea, TextAreaProps } from './textarea.doc';
export declare class TextArea extends AbstractFormControl<string, TextAreaProps> implements ITextArea {
    private textAreaRef;
    private readonly textArea;
    private readonly rows;
    readonly text: string;
    renderControl(): ReactNode;
    componentDidMount(): void;
    componentDidUpdate(...args: [any, any, any]): void;
    isEmpty(value: string | undefined): boolean;
    focusControl(): void;
    blurControl(): void;
    resetControl(value?: string): void;
    validateControl(): void;
    private onWrapperFocus;
    private onWrapperBlur;
    private onKeyDown;
    private onTextAreaChange;
    private emitValueChange;
    private emitEnter;
    private emitEsc;
    private adjust;
    private format;
    static Wrapper: import("styled-components").StyledComponentClass<React.DetailedHTMLProps<React.HTMLAttributes<HTMLDivElement>, HTMLDivElement>, UI.IThemeSchema, React.DetailedHTMLProps<React.HTMLAttributes<HTMLDivElement>, HTMLDivElement>>;
}