AudioParam.fromJson constructor 
    
      
      AudioParam.fromJson(
 - Map<String, dynamic> json
 
)
     
    
    
  Implementation
  factory AudioParam.fromJson(Map<String, dynamic> json) {
  return AudioParam(
    paramId: GraphObjectId.fromJson(json['paramId'] as String),
    nodeId: GraphObjectId.fromJson(json['nodeId'] as String),
    contextId: GraphObjectId.fromJson(json['contextId'] as String),
    paramType: ParamType.fromJson(json['paramType'] as String),
    rate: AutomationRate.fromJson(json['rate'] as String),
    defaultValue: json['defaultValue'] as num,
    minValue: json['minValue'] as num,
    maxValue: json['maxValue'] as num,
  );
}