import { PureComponent } from 'react';
type SentryUser = {
    id: string;
    email: string;
};
type Props = {
    user?: SentryUser;
};
/**
 * This component will let sentry know if any information about the user has
 * changed.
 */
declare class SentryUserTracker extends PureComponent<Props> {
    static displayName: string;
    componentDidMount(): void;
    componentDidUpdate(): void;
    syncUser: () => void;
    render(): null;
}
export default SentryUserTracker;