import type { WebRTCVideoSourceConfig, WebRTCStreamStats, WebRTCQualitySettings } from './types';
/**
 * WebRTC Bridge for SmartCamera
 *
 * NOTE: This is a stub implementation. WebRTC functionality is not yet implemented.
 * This class provides the interface for future WebRTC integration.
 *
 * This class provides a bridge between VisionCamera frames and WebRTC,
 * allowing camera frames to be streamed via WebRTC peer connections.
 */
export declare class WebRTCBridge {
    private isInitialized;
    private isStreaming;
    private config;
    /**
     * Initialize the WebRTC bridge
     *
     * This must be called before starting streaming.
     */
    initialize(): Promise<void>;
    /**
     * Start streaming camera frames via WebRTC
     *
     * @param config - Video source configuration
     */
    startStreaming(config: WebRTCVideoSourceConfig): Promise<void>;
    /**
     * Stop streaming
     */
    stopStreaming(): Promise<void>;
    /**
     * Check if currently streaming
     */
    getIsStreaming(): boolean;
    /**
     * Get current configuration
     */
    getConfig(): WebRTCVideoSourceConfig | null;
    /**
     * Update quality settings (if supported)
     *
     * @param settings - Quality settings to apply
     */
    updateQuality(settings: WebRTCQualitySettings): Promise<void>;
    /**
     * Get current stream statistics
     */
    getStats(): Promise<WebRTCStreamStats | null>;
    /**
     * Cleanup and release resources
     */
    destroy(): Promise<void>;
}
/**
 * Get the shared WebRTC bridge instance
 */
export declare function getWebRTCBridge(): WebRTCBridge;
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