import React from 'react';
import { FormControlProps, FormBaseControl } from './Item';
/**
 * TextArea 多行文本输入框。
 * 文档：https://baidu.gitee.io/amis/docs/components/form/textarea
 */
export interface TextareaControlSchema extends FormBaseControl {
    /**
     * 指定为多行文本输入框
     */
    type: 'textarea';
    /**
     * 最大行数
     */
    maxRows?: number;
    /**
     * 最小行数
     */
    minRows?: number;
}
export interface TextAreaProps extends FormControlProps {
    placeholder?: string;
    minRows?: number;
    maxRows?: number;
}
export default class TextAreaControl extends React.Component<TextAreaProps, any> {
    static defaultProps: Partial<TextAreaProps>;
    input?: HTMLInputElement;
    inputRef: (ref: any) => HTMLInputElement;
    focus(): void;
    handleChange(e: React.ChangeEvent<HTMLInputElement>): void;
    handleFocus(e: React.FocusEvent<HTMLTextAreaElement>): void;
    handleBlur(e: React.FocusEvent<HTMLTextAreaElement>): void;
    render(): JSX.Element;
}
export declare class TextAreaControlRenderer extends TextAreaControl {
}