import React from 'react';
export declare const embedHeaderHeight = 32;
interface Props {
    children?: React.ReactNode;
    embedIframeRef: React.RefObject<HTMLIFrameElement>;
    onHeightUpdate: (height: number) => void;
}
interface State {
}
export declare class EmbedResizeMessageListener extends React.Component<Props, State> {
    componentDidMount(): void;
    componentWillUnmount(): void;
    private messageCallback;
    private onEmbedHeightChange;
    render(): React.ReactNode;
}
export {};
