Usage.fromJson constructor
Implementation
factory Usage.fromJson(Map<String, dynamic> json) {
return Usage(
promptTokens: json['prompt_tokens'],
promptUnitPrice: json['prompt_unit_price'],
promptPrice: json['prompt_price'],
completionTokens: json['completion_tokens'],
completionUnitPrice: json['completion_unit_price'],
completionPrice: json['completion_price'],
totalTokens: json['total_tokens'],
totalPrice: json['total_price'],
currency: json['currency'],
latency: json['latency'].toDouble(),
);
}