import React from 'react';
export interface TouchRipplePropsType {
    center: boolean;
}
export interface TouchRippleStateType {
    nextKey: number;
    ripples: string[];
}
export declare const DELAY_RIPPLE = 80;
interface RippleOptions {
    pulsate?: boolean;
    center?: string;
    fakeElement?: boolean;
    timeout?: number;
}
/**
 * @ignore - internal component.
 */
declare class TouchRipple extends React.Component<TouchRipplePropsType, TouchRippleStateType> {
    private static defaultProps;
    state: {
        nextKey: number;
        ripples: any[];
    };
    componentWillUnmount(): void;
    private ignoringMouseDown;
    private startTimer;
    private startTimerCommit;
    /**
     * 有规律地摆动墨水扩散效果
     */
    pulsate: () => void;
    /**
     * 开始墨水扩散效果
     */
    start: (event: React.KeyboardEvent<HTMLButtonElement> | React.MouseEvent<HTMLButtonElement, MouseEvent> | React.TouchEvent<HTMLButtonElement>, options?: RippleOptions, cb?: (params: string[]) => void) => void;
    /**
     * 提交墨水扩散效果
     */
    private startCommit;
    /**
     * 停止墨水扩散效果
     */
    stop: (event: any, cb: any) => void;
    render(): JSX.Element;
}
export default TouchRipple;