import { Component } from 'react';
export declare class Alpha extends Component<any, any> {
    containerRef: import("react").RefObject<HTMLDivElement>;
    eventCancelList: (() => void)[];
    componentWillUnmount(): void;
    handleChange: (e: any, skip?: boolean) => void;
    handleMouseDown: (e: any) => void;
    handleMouseUp: () => void;
    unbindEventListeners: () => void;
    render(): JSX.Element;
}
export default Alpha;