toJson method
Implementation
Map<String, dynamic> toJson() {
final json = <String, dynamic>{};
json[r'id'] = this.id;
json[r'object'] = this.object;
json[r'created'] = this.created;
json[r'model'] = this.model;
json[r'choices'] = this.choices;
if (this.usage != null) {
json[r'usage'] = this.usage;
} else {
json[r'usage'] = null;
}
return json;
}