import type { Options } from "../BaseConversation.js";
import type { BaseConnection } from "../utils/BaseConnection.js";
import type { InputController } from "../InputController.js";
import type { OutputController } from "../OutputController.js";
import type { PlaybackEventTarget } from "../OutputController.js";
export type VoiceSessionSetupResult = {
    connection: BaseConnection;
    input: InputController;
    output: OutputController;
    playbackEventTarget: PlaybackEventTarget | null;
    detach: () => Promise<void>;
};
export type VoiceSessionSetupStrategy = (options: Options) => Promise<VoiceSessionSetupResult>;
/**
 * The active session setup strategy.
 * Defaults to undefined — set by platform-specific entrypoints on import.
 */
export declare let setupStrategy: VoiceSessionSetupStrategy | undefined;
/**
 * Override the voice session setup strategy.
 * Called by platform-specific entrypoints to inject their own setup handling.
 */
export declare function setSetupStrategy(strategy: VoiceSessionSetupStrategy): void;
/**
 * Sets up a voice session for a WebRTC connection.
 * Platform-agnostic: extracts the input/output controllers that
 * WebRTCConnection already provides via LiveKit.
 */
export declare function setupWebRTCSession(connection: BaseConnection): VoiceSessionSetupResult;
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