declare function buildResizeMessage(entry: ResizeObserverEntry): {
    [key: string]: number;
};
declare class Mashup {
    private readonly handlers;
    private gadgetName;
    private resize;
    constructor();
    /**
     * initializes constellation mashup bridge
     * @param initParams { resizing } resize-type (string)
     */
    init(initParams: {
        resizing: string;
    }): void;
    /**
     * send message to host
     * @param actionInfo  { action, message } action name (string) and message (object) associated with action
     */
    send(actionInfo: {
        action: string;
        message: object;
    }): void;
    _registerResizeObserver(element: Element): void;
    _updateUrl(semanticUrl: string): void;
    onMessage(messageEvent: {
        data: string;
    }): boolean;
    _getMessage({ gadgetName, action, message }: {
        gadgetName: string;
        action: string;
        message: object;
    }): string;
    _postMessage({ action, message }: {
        action: string;
        message: object;
    }): void;
}
declare const mashup: Mashup;
export { mashup, buildResizeMessage };