export declare class WindowErrorHandler {
    /**
     * Calls the window.onerror function. Use this method for errors that cannot be handled by the window.onerror standard handler.
     * Mostly, this method will be used to provide retroaction on Promise errors.
     * @param error The unhandled error.
     * @param defer True will delay the execution of the call to the next cyle, allowing, for example, stopping the propagation of the error in the promise chain. Default is false.
     */
    static onError(error: ErrorEvent, defer?: boolean): void;
}
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