/**
 * @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 { HSB } from './tool';
export interface ColorAlphaProps {
    value: HSB;
    onChange: (hsb: HSB) => void;
}
export interface ColorAlphaState {
    left: number;
    startX: number;
    originLeft: number;
    clientWidth: number;
    selectorWidth: number;
}
declare class ColorAlpha extends React.PureComponent<ColorAlphaProps, ColorAlphaState> {
    private wrapperEle;
    private selectorEle;
    constructor(props: ColorAlphaProps);
    componentDidUpdate(preProps: ColorAlphaProps): void;
    private onMouseDownHandler;
    private onMouseMoveHandler;
    private onMouseUpHandler;
    private onRangeSelectorHandler;
    private triggerChange;
    render(): JSX.Element;
}
export default ColorAlpha;