import * as React from "react";
declare type Props = React.PropsWithChildren<{
    onClose: (ev: KeyboardEvent) => void;
    closeKey: string;
}>;
export default class CloseByKey extends React.PureComponent<Props> {
    static defaultProps: {
        closeKey: string;
    };
    componentDidMount(): void;
    componentWillUnmount(): void;
    handleKeyDown: (ev: KeyboardEvent) => void;
    render(): React.ReactNode;
}
export {};