참고소스 수정본

참고/firecrawl-main/apps/dot-net-sdk/Firecrawl/Models/CreditUsage.cs

@@ -0,0 +1,21 @@
+using System.Text.Json.Serialization;
+
+namespace Firecrawl.Models;
+
+/// <summary>
+/// Account credit usage information.
+/// </summary>
+public class CreditUsage
+{
+    [JsonPropertyName("remaining_credits")]
+    public int? RemainingCredits { get; set; }
+
+    [JsonPropertyName("total_credits_used")]
+    public int? TotalCreditsUsed { get; set; }
+
+    [JsonPropertyName("billing_period_start")]
+    public string? BillingPeriodStart { get; set; }
+
+    [JsonPropertyName("billing_period_end")]
+    public string? BillingPeriodEnd { get; set; }
+}