CancelInvocationMessage.fromJSON constructor

CancelInvocationMessage.fromJSON(
  1. Map<String, dynamic> obj
)

Implementation

factory CancelInvocationMessage.fromJSON(Map<String, dynamic> obj) {
  obj.verify('type', MessageType.cancelInvocation.toJSON());
  final headers =
      (obj['headers'] as Map<String, dynamic>?)?.cast<String, String>();
  final invocationId = obj['invocationId'] as String;
  return CancelInvocationMessage(invocationId, headers: headers);
}