RelayWelcomeMessage.fromJson constructor
Create a welcome message from a JSON map
Implementation
factory RelayWelcomeMessage.fromJson(Map<String, dynamic> json) {
return RelayWelcomeMessage(
documentId: json['documentId'] as String,
sessionId: json['sessionId'] as String,
snapshot: json['snapshot'] as String?,
changes: (json['changes'] as List<dynamic>).cast<String>(),
seq: json['seq'] as int,
logLength: json['logLength'] as int,
compact: json['compact'] as bool,
);
}