import { RealtimeProvider, RealtimeProviderConfig, RealtimeProviderCallbacks, RealtimeMessage, AudioFormat, ProviderType } from './RealtimeProvider';
/**
 * Gemini Live realtime provider implementation
 */
export declare class GeminiRealtimeProvider extends RealtimeProvider {
    private client;
    private session;
    constructor(config: RealtimeProviderConfig, callbacks: RealtimeProviderCallbacks);
    getProviderId(): ProviderType;
    getAudioFormat(): AudioFormat;
    connect(): Promise<void>;
    disconnect(): Promise<void>;
    sendAudio(audioData: string, format: AudioFormat): void;
    sendText(text: string): void;
    /**
     * Send image input to Gemini
     *
     * Note: Gemini Multimodal Live API may not support image input in realtime mode.
     * This is a placeholder for future support.
     */
    sendImage(imageUrl: string): void;
    sendToolResponse(toolCallId: string, toolName: string, result: any): void;
    /**
     * Normalize Gemini message to common format
     */
    protected normalizeMessage(rawMessage: any): RealtimeMessage | null;
}
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