export declare function startSync(): void;
export interface RequestParams {
    uri: string;
    method: 'get' | 'post';
    body?: any;
}
export interface FunctionCall {
    name: string;
    args: any[];
}
export declare function iframeRemoteCall(content: RequestParams | FunctionCall): Promise<{}>;
export declare function handleIframeInit(): void;
export declare function distributeSyncMessage(): void;
export declare function stopSync(): void;