/// <reference types="react" />
/**
 * Prevent the event's behavior, including default events and bubbling.
 */
export declare const stopEvent: (evt: React.SyntheticEvent) => void;
/**
 * Mocking the event behavior for `defaultPrevented`.
 * @ref https://developer.mozilla.org/zh-CN/docs/Web/API/Event/preventDefault
 */
export declare function mockDefaultHandlers<T extends React.ReactEventHandler<any>>(...handlers: (T | undefined)[]): (event: React.SyntheticEvent) => void;
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