pub trait AudioProxyInterface: Send + Sync {
    // Required methods
    fn create_audio_renderer(
        &self,
        audio_renderer_request: ServerEnd<AudioRendererMarker>,
    ) -> Result<(), Error>;
    fn create_audio_capturer(
        &self,
        audio_capturer_request: ServerEnd<AudioCapturerMarker>,
        loopback: bool,
    ) -> Result<(), Error>;
}