toJson method
Implementation
Map<String, Object?> toJson() {
final displayName = this.displayName;
final lastSeenIp = this.lastSeenIp;
final lastSeenTs = this.lastSeenTs;
return {
'device_id': deviceId,
if (displayName != null) 'display_name': displayName,
if (lastSeenIp != null) 'last_seen_ip': lastSeenIp,
if (lastSeenTs != null) 'last_seen_ts': lastSeenTs,
};
}