import type { EventBus } from "../../core/event-bus.ts";
import { type RpcObservationScope, type SubagentRpcCommand, type SubagentRpcEvent } from "../../core/subagent-rpc.ts";
import type { RpcResponse } from "./rpc-types.ts";
/** One native source per host binding. Subscription callbacks cannot cross generations. */
export declare class RpcSubagentBridge {
    private disposed;
    private unsubscribe;
    private source;
    private revision;
    private fingerprint;
    private value;
    private bus;
    private output;
    private scope;
    private sourceError;
    constructor(bus: EventBus | undefined, output: (event: SubagentRpcEvent) => void, scope: RpcObservationScope);
    private missing;
    /** Call after extension binding, including startup, session switch and reload. */
    initialize(): void;
    private update;
    request(command: SubagentRpcCommand): RpcResponse;
    dispose(): void;
}