AudioNode constructor
      
      AudioNode({ 
    
    
- required GraphObjectId nodeId,
- required GraphObjectId contextId,
- required NodeType nodeType,
- required num numberOfInputs,
- required num numberOfOutputs,
- required num channelCount,
- required ChannelCountMode channelCountMode,
- required ChannelInterpretation channelInterpretation,
Implementation
AudioNode({
  required this.nodeId,
  required this.contextId,
  required this.nodeType,
  required this.numberOfInputs,
  required this.numberOfOutputs,
  required this.channelCount,
  required this.channelCountMode,
  required this.channelInterpretation,
});