/**
 * @license chowa v1.1.3
 *
 * Copyright (c) Chowa Techonlogies Co.,Ltd.(http://www.chowa.cn).
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
import * as React from 'react';
import * as PropTypes from 'prop-types';
export interface InputNumberProps {
    className?: string;
    style?: React.CSSProperties;
    tabIndex?: number;
    disabled?: boolean;
    onChange?: (result: number) => void;
    defaultValue?: number;
    value?: number;
    step?: number;
    max?: number;
    min?: number;
    formatter?: (result: number) => string;
    editable?: boolean;
}
export interface InputNumberState {
    result: number;
    isFocus: boolean;
    inputValue: string;
}
declare class InputNumber extends React.PureComponent<InputNumberProps, InputNumberState> {
    static propTypes: {
        className: PropTypes.Requireable<string>;
        style: PropTypes.Requireable<object>;
        tabIndex: PropTypes.Requireable<number>;
        disabled: PropTypes.Requireable<boolean>;
        onChange: PropTypes.Requireable<(...args: any[]) => any>;
        defaultValue: PropTypes.Requireable<number>;
        value: PropTypes.Requireable<number>;
        step: PropTypes.Requireable<number>;
        max: PropTypes.Requireable<number>;
        min: PropTypes.Requireable<number>;
        formatter: PropTypes.Requireable<(...args: any[]) => any>;
        editable: PropTypes.Requireable<boolean>;
    };
    static defaultProps: {
        disabled: boolean;
        tabIndex: number;
        step: number;
        editable: boolean;
        defaultValue: number;
    };
    constructor(props: InputNumberProps);
    componentDidUpdate(preProps: InputNumberProps): void;
    private onFocusHandler;
    private onBlurHandler;
    private onChangeHandler;
    private doAddition;
    private doSubtraction;
    private compileResult;
    private onKeyDownHandler;
    render(): JSX.Element;
}
export default InputNumber;