interface ISdk {
    onReady: (data: any) => void;
    onError: (error: any) => void;
    [key: string]: any;
}
declare class Sdk implements ISdk {
    private earlyActionCalls;
    private eventSourceReady;
    private eventSource;
    private eventOrigin;
    constructor();
    private proxy;
    onError(error: any): void;
    onReady(_data: any): void;
    private receiveMessage;
    private handleFunctionCall;
    private postMessage;
}
export declare const sdk: Sdk;
export {};