toJson method

Implementation

@override
Object toJson() => {
  if (vertexDataset != null) 'vertexDataset': vertexDataset,
  if (gcsSource != null) 'gcsSource': gcsSource!.toJson(),
  if (bigquerySource != null) 'bigquerySource': bigquerySource!.toJson(),
  if (timestampField.isNotDefault) 'timestampField': timestampField,
};