diff --git a/dotnet/src/webdriver/BiDi/Modules/BrowsingContext/BrowsingContext.cs b/dotnet/src/webdriver/BiDi/Modules/BrowsingContext/BrowsingContext.cs
index cbee35ab8f5c1..ea139766238b2 100644
--- a/dotnet/src/webdriver/BiDi/Modules/BrowsingContext/BrowsingContext.cs
+++ b/dotnet/src/webdriver/BiDi/Modules/BrowsingContext/BrowsingContext.cs
@@ -100,11 +100,12 @@ public Task HandleUserPromptAsync(HandleUserPromptOptions? options = null)
 
     public Task<IReadOnlyList<BrowsingContextInfo>> GetTreeAsync(BrowsingContextGetTreeOptions? options = null)
     {
-        options ??= new();
+        GetTreeOptions getTreeOptions = new(options)
+        {
+            Root = this
+        };
 
-        options.Root = this;
-
-        return _bidi.BrowsingContextModule.GetTreeAsync(options);
+        return _bidi.BrowsingContextModule.GetTreeAsync(getTreeOptions);
     }
 
     public Task<Subscription> OnNavigationStartedAsync(Func<NavigationInfo, Task> handler, SubscriptionOptions? options = null)
diff --git a/dotnet/src/webdriver/BiDi/Modules/BrowsingContext/BrowsingContextNetworkModule.cs b/dotnet/src/webdriver/BiDi/Modules/BrowsingContext/BrowsingContextNetworkModule.cs
index 4c1d260740488..4b4d805eb3041 100644
--- a/dotnet/src/webdriver/BiDi/Modules/BrowsingContext/BrowsingContextNetworkModule.cs
+++ b/dotnet/src/webdriver/BiDi/Modules/BrowsingContext/BrowsingContextNetworkModule.cs
@@ -8,11 +8,12 @@ public class BrowsingContextNetworkModule(BrowsingContext context, NetworkModule
 {
     public async Task<Intercept> InterceptRequestAsync(Func<BeforeRequestSentEventArgs, Task> handler, BrowsingContextAddInterceptOptions? interceptOptions = null, SubscriptionOptions? options = null)
     {
-        interceptOptions ??= new();
+        AddInterceptOptions addInterceptOptions = new(interceptOptions)
+        {
+            Contexts = [context]
+        };
 
-        interceptOptions.Contexts = [context];
-
-        var intercept = await networkModule.AddInterceptAsync([InterceptPhase.BeforeRequestSent], interceptOptions).ConfigureAwait(false);
+        var intercept = await networkModule.AddInterceptAsync([InterceptPhase.BeforeRequestSent], addInterceptOptions).ConfigureAwait(false);
 
         await intercept.OnBeforeRequestSentAsync(handler, new BrowsingContextsSubscriptionOptions(options) { Contexts = [context] }).ConfigureAwait(false);
 
@@ -21,11 +22,12 @@ public async Task<Intercept> InterceptRequestAsync(Func<BeforeRequestSentEventAr
 
     public async Task<Intercept> InterceptResponseAsync(Func<ResponseStartedEventArgs, Task> handler, BrowsingContextAddInterceptOptions? interceptOptions = null, SubscriptionOptions? options = null)
     {
-        interceptOptions ??= new();
-
-        interceptOptions.Contexts = [context];
+        AddInterceptOptions addInterceptOptions = new(interceptOptions)
+        {
+            Contexts = [context]
+        };
 
-        var intercept = await networkModule.AddInterceptAsync([InterceptPhase.ResponseStarted], interceptOptions).ConfigureAwait(false);
+        var intercept = await networkModule.AddInterceptAsync([InterceptPhase.ResponseStarted], addInterceptOptions).ConfigureAwait(false);
 
         await intercept.OnResponseStartedAsync(handler, new BrowsingContextsSubscriptionOptions(options) { Contexts = [context] }).ConfigureAwait(false);
 
@@ -34,11 +36,12 @@ public async Task<Intercept> InterceptResponseAsync(Func<ResponseStartedEventArg
 
     public async Task<Intercept> InterceptAuthenticationAsync(Func<AuthRequiredEventArgs, Task> handler, BrowsingContextAddInterceptOptions? interceptOptions = null, SubscriptionOptions? options = null)
     {
-        interceptOptions ??= new();
-
-        interceptOptions.Contexts = [context];
+        AddInterceptOptions addInterceptOptions = new(interceptOptions)
+        {
+            Contexts = [context]
+        };
 
-        var intercept = await networkModule.AddInterceptAsync([InterceptPhase.AuthRequired], interceptOptions).ConfigureAwait(false);
+        var intercept = await networkModule.AddInterceptAsync([InterceptPhase.AuthRequired], addInterceptOptions).ConfigureAwait(false);
 
         await intercept.OnAuthRequiredAsync(handler, new BrowsingContextsSubscriptionOptions(options) { Contexts = [context] }).ConfigureAwait(false);
 
diff --git a/dotnet/src/webdriver/BiDi/Modules/BrowsingContext/BrowsingContextScriptModule.cs b/dotnet/src/webdriver/BiDi/Modules/BrowsingContext/BrowsingContextScriptModule.cs
index 81cf545112599..d2756ecc503cc 100644
--- a/dotnet/src/webdriver/BiDi/Modules/BrowsingContext/BrowsingContextScriptModule.cs
+++ b/dotnet/src/webdriver/BiDi/Modules/BrowsingContext/BrowsingContextScriptModule.cs
@@ -8,11 +8,12 @@ public class BrowsingContextScriptModule(BrowsingContext context, ScriptModule s
 {
     public async Task<PreloadScript> AddPreloadScriptAsync(string functionDeclaration, BrowsingContextAddPreloadScriptOptions? options = null)
     {
-        options ??= new();
-
-        options.Contexts = [context];
+        AddPreloadScriptOptions addPreloadScriptOptions = new(options)
+        {
+            Contexts = [context]
+        };
 
-        return await scriptModule.AddPreloadScriptAsync(functionDeclaration, options).ConfigureAwait(false);
+        return await scriptModule.AddPreloadScriptAsync(functionDeclaration, addPreloadScriptOptions).ConfigureAwait(false);
     }
 
     public async Task<IReadOnlyList<RealmInfo>> GetRealmsAsync(GetRealmsOptions? options = null)
diff --git a/dotnet/src/webdriver/BiDi/Modules/BrowsingContext/GetTreeCommand.cs b/dotnet/src/webdriver/BiDi/Modules/BrowsingContext/GetTreeCommand.cs
index d5a43d612b6c4..fe6a38c1fe0bc 100644
--- a/dotnet/src/webdriver/BiDi/Modules/BrowsingContext/GetTreeCommand.cs
+++ b/dotnet/src/webdriver/BiDi/Modules/BrowsingContext/GetTreeCommand.cs
@@ -14,18 +14,21 @@ internal record GetTreeCommandParameters : CommandParameters
 
 public record GetTreeOptions : CommandOptions
 {
+    public GetTreeOptions() { }
+
+    internal GetTreeOptions(BrowsingContextGetTreeOptions? options)
+    {
+        MaxDepth = options?.MaxDepth;
+    }
+
     public long? MaxDepth { get; set; }
 
     public BrowsingContext? Root { get; set; }
 }
 
-public record BrowsingContextGetTreeOptions : GetTreeOptions
+public record BrowsingContextGetTreeOptions
 {
-    internal new BrowsingContext? Root
-    {
-        get => base.Root;
-        set => base.Root = value;
-    }
+    public long? MaxDepth { get; set; }
 }
 
 public record GetTreeResult(IReadOnlyList<BrowsingContextInfo> Contexts);
diff --git a/dotnet/src/webdriver/BiDi/Modules/Network/AddInterceptCommand.cs b/dotnet/src/webdriver/BiDi/Modules/Network/AddInterceptCommand.cs
index bb94c16d5d91b..4856193d512d9 100644
--- a/dotnet/src/webdriver/BiDi/Modules/Network/AddInterceptCommand.cs
+++ b/dotnet/src/webdriver/BiDi/Modules/Network/AddInterceptCommand.cs
@@ -14,18 +14,21 @@ internal record AddInterceptCommandParameters(IEnumerable<InterceptPhase> Phases
 
 public record AddInterceptOptions : CommandOptions
 {
+    public AddInterceptOptions() { }
+
+    internal AddInterceptOptions(BrowsingContextAddInterceptOptions? options)
+    {
+        UrlPatterns = options?.UrlPatterns;
+    }
+
     public IEnumerable<BrowsingContext.BrowsingContext>? Contexts { get; set; }
 
     public IEnumerable<UrlPattern>? UrlPatterns { get; set; }
 }
 
-public record BrowsingContextAddInterceptOptions : AddInterceptOptions
+public record BrowsingContextAddInterceptOptions
 {
-    internal new IEnumerable<BrowsingContext.BrowsingContext>? Contexts
-    {
-        get => base.Contexts;
-        set => base.Contexts = value;
-    }
+    public IEnumerable<UrlPattern>? UrlPatterns { get; set; }
 }
 
 public record AddInterceptResult(Intercept Intercept);
diff --git a/dotnet/src/webdriver/BiDi/Modules/Script/AddPreloadScriptCommand.cs b/dotnet/src/webdriver/BiDi/Modules/Script/AddPreloadScriptCommand.cs
index eeefc9563e0b6..516e65b10f45c 100644
--- a/dotnet/src/webdriver/BiDi/Modules/Script/AddPreloadScriptCommand.cs
+++ b/dotnet/src/webdriver/BiDi/Modules/Script/AddPreloadScriptCommand.cs
@@ -16,6 +16,14 @@ internal record AddPreloadScriptCommandParameters(string FunctionDeclaration) :
 
 public record AddPreloadScriptOptions : CommandOptions
 {
+    public AddPreloadScriptOptions() { }
+
+    internal AddPreloadScriptOptions(BrowsingContextAddPreloadScriptOptions? options)
+    {
+        Arguments = options?.Arguments;
+        Sandbox = options?.Sandbox;
+    }
+
     public IEnumerable<ChannelValue>? Arguments { get; set; }
 
     public IEnumerable<BrowsingContext.BrowsingContext>? Contexts { get; set; }
@@ -23,13 +31,11 @@ public record AddPreloadScriptOptions : CommandOptions
     public string? Sandbox { get; set; }
 }
 
-public record BrowsingContextAddPreloadScriptOptions : AddPreloadScriptOptions
+public record BrowsingContextAddPreloadScriptOptions
 {
-    internal new IEnumerable<BrowsingContext.BrowsingContext>? Contexts
-    {
-        get => base.Contexts;
-        set => base.Contexts = value;
-    }
+    public IEnumerable<ChannelValue>? Arguments { get; set; }
+
+    public string? Sandbox { get; set; }
 }
 
 internal record AddPreloadScriptResult(PreloadScript Script);