/**
 * Google Gemini Live Voice API Handler
 *
 * Implementation of bidirectional voice communication using Gemini's Live API.
 *
 * @module voice/providers/GeminiLive
 */
import { BaseRealtimeHandler } from "../RealtimeVoiceAPI.js";
import type { TTSAudioFormat, RealtimeAudioChunk, RealtimeConfig, RealtimeSession } from "../../types/index.js";
/**
 * Google Gemini Live Voice API Handler
 *
 * Implements bidirectional voice communication with Gemini's Live API.
 *
 * @see https://ai.google.dev/gemini-api/docs/live
 */
export declare class GeminiLive extends BaseRealtimeHandler {
    readonly name = "gemini-live";
    private readonly apiKey;
    private ws;
    private audioChunkIndex;
    private pendingFunctionCalls;
    constructor(apiKey?: string);
    isConfigured(): boolean;
    getSupportedFormats(): TTSAudioFormat[];
    connect(config: RealtimeConfig): Promise<RealtimeSession>;
    disconnect(): Promise<void>;
    sendAudio(audio: Buffer | RealtimeAudioChunk): Promise<void>;
    sendText(text: string): Promise<void>;
    triggerResponse(): Promise<void>;
    cancelResponse(): Promise<void>;
    /**
     * Send setup message with configuration
     */
    private sendSetup;
    /**
     * Wait for setup complete message
     */
    private waitForSetupComplete;
    /**
     * Handle incoming WebSocket messages
     */
    private handleMessage;
    /**
     * Parse audio format from MIME type
     */
    private parseAudioFormat;
    /**
     * Handle function call from model
     */
    private handleFunctionCall;
}