import type { EventBus } from "../../core/event-bus.ts";
import { type IntercomRpcCommand, type IntercomRpcEvent } from "../../core/intercom-rpc.ts";
import type { RpcResponse } from "./rpc-types.ts";
/** One listener pair per bound session; replacement rejects pending calls and ignores stale results. */
export declare class RpcIntercomBridge {
    private disposed;
    private readonly unsubscribe;
    private readonly pending;
    private readonly scope;
    private readonly bus;
    constructor(bus: EventBus | undefined, output: (event: IntercomRpcEvent) => void, sessionId: string, epoch?: string);
    request(command: IntercomRpcCommand): Promise<RpcResponse>;
    dispose(): void;
}