import { JDClient } from "../jdom/client";
import { EmbedMessage } from "./protocol";
export interface EmbedTransport {
    postMessage<TMessage extends EmbedMessage, TResponse extends EmbedMessage>(msg: TMessage): Promise<TResponse>;
    onMessage<TMessage extends EmbedMessage>(type: string, handler: (msg: TMessage) => void): void;
}
/**
 * @internal
 */
export declare class IFrameTransport extends JDClient implements EmbedTransport {
    readonly origin: string;
    private readonly ackAwaiters;
    constructor(origin: string);
    private isOriginValid;
    /**
     * @internal
     */
    postReady(): void;
    /**
     * Post message to client and awaits for ack if needed
     * @internal
     */
    postMessage<TMessage extends EmbedMessage, AckMessage>(msg: TMessage): Promise<AckMessage>;
    onMessage<TMessage extends EmbedMessage>(type: string, handler: (msg: TMessage) => void): void;
    private handleMessage;
}
//# sourceMappingURL=transport.d.ts.map