import type { BasePostMessageStream } from "@metamask/post-message-stream";
import { BaseSnapExecutor } from "../common/BaseSnapExecutor.cjs";
export declare class IFrameSnapExecutor extends BaseSnapExecutor {
    /**
     * Initialize the IFrameSnapExecutor. This creates a post message stream from
     * and to the parent window, for two-way communication with the iframe.
     *
     * @param stream - The stream to use for communication.
     * @returns An instance of `IFrameSnapExecutor`, with the initialized post
     * message streams.
     */
    static initialize(stream?: BasePostMessageStream): IFrameSnapExecutor;
}
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