Offer
constructor(type: String = "offer", sdp: String, version: String? = null, simulcast: Boolean = false, simulcastMulticodec: Boolean? = null, spotlight: Boolean? = null, channelId: String? = null, clientId: String, bundleId: String? = null, connectionId: String, sessionId: String? = null, metadata: Any?, config: OfferConfig? = null, mid: Map<String, String>? = null, encodings: List<Encoding>?, dataChannels: List<Map<String, Any>>? = null, audio: Boolean? = null, audioCodecType: String? = null, audioBitRate: Int? = null, video: Boolean? = null, videoCodecType: String? = null, videoBitRate: Int? = null)