toJson method

Map<String, dynamic> toJson()

Implementation

core.Map<core.String, core.dynamic> toJson() {
  final history = this.history;
  final historyId = this.historyId;
  final nextPageToken = this.nextPageToken;
  return {
    'history': ?history,
    'historyId': ?historyId,
    'nextPageToken': ?nextPageToken,
  };
}