toJson method

Implementation

core.Map<core.String, core.dynamic> toJson() {
  final builder = this.builder;
  final materials = this.materials;
  final metadata = this.metadata;
  final recipe = this.recipe;
  return {
    'builder': ?builder,
    'materials': ?materials,
    'metadata': ?metadata,
    'recipe': ?recipe,
  };
}