[internal] Add #nullable enable directives to 5 supplement files

src/Playwright/API/Supplements/IAPIRequestContext.cs

@@ -24,6 +24,8 @@
 
 using System;
 
+#nullable enable
+
 namespace Microsoft.Playwright;
 
 public partial interface IAPIRequestContext : IAsyncDisposable

src/Playwright/API/Supplements/IBrowser.cs

@@ -24,6 +24,8 @@
 
 using System;
 
+#nullable enable
+
 namespace Microsoft.Playwright;
 
 public partial interface IBrowser : IAsyncDisposable

src/Playwright/API/Supplements/ICDPSession.cs

@@ -24,6 +24,8 @@
 
 using System;
 
+#nullable enable
+
 namespace Microsoft.Playwright
 {
     public partial interface ICDPSession : IAsyncDisposable

src/Playwright/API/Supplements/IJSHandle.cs

@@ -26,10 +26,12 @@
 using System.Text.Json;
 using System.Threading.Tasks;
 
+#nullable enable
+
 namespace Microsoft.Playwright;
 
 public partial interface IJSHandle : IAsyncDisposable
 {
     /// <inheritdoc cref="EvaluateAsync{T}(string, object)" />
-    Task<JsonElement?> EvaluateAsync(string expression, object arg = null);
+    Task<JsonElement?> EvaluateAsync(string expression, object? arg = null);
 }

src/Playwright/API/Supplements/ILocator.cs

@@ -25,9 +25,11 @@
 using System.Text.Json;
 using System.Threading.Tasks;
 
+#nullable enable
+
 namespace Microsoft.Playwright;
 
 public partial interface ILocator
 {
-    Task<JsonElement?> EvaluateAsync(string expression, object arg = null, LocatorEvaluateOptions options = null);
+    Task<JsonElement?> EvaluateAsync(string expression, object? arg = null, LocatorEvaluateOptions? options = null);
 }