import type { AgentSession } from "../../session/agent-session.js";
import { STTController } from "../../stt/index.js";
import type { RpcDictationFrame } from "./rpc-types.js";
/** The controller surface used by RPC; tests can substitute the microphone boundary. */
export type RpcDictationController = Pick<STTController, "state" | "start" | "stop" | "dispose">;
export type RpcDictationControllerFactory = (session: AgentSession) => RpcDictationController;
/** Owns one draft-only native microphone capture for an RPC session. */
export declare class RpcDictationBridge {
    #private;
    constructor(session: AgentSession, output: (frame: RpcDictationFrame) => void, createController?: RpcDictationControllerFactory);
    get active(): boolean;
    /** Resolves only when the microphone is recording; stopping a pending start cancels it. */
    start(id: string): Promise<void>;
    /** Stops the mic and flushes transcription, or returns empty text with no capture. */
    stop(): Promise<{
        text: string;
    }>;
    /** Cancel pending work and close the microphone immediately when the RPC process is going away. */
    dispose(): void;
}