[dotnet] Annotate nullability on devtools event args

dotnet/src/webdriver/DevTools/AuthRequiredEventArgs.cs

@@ -19,21 +19,34 @@
 
 using System;
 
+#nullable enable
+
 namespace OpenQA.Selenium.DevTools
 {
     /// <summary>
     /// Event arguments present when the AuthRequired event is raised.
     /// </summary>
     public class AuthRequiredEventArgs : EventArgs
     {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="AuthRequiredEventArgs"/> type.
+        /// </summary>
+        /// <param name="requestId">The request ID of the request raised the event.</param>
+        /// <param name="uri">The URI for which the event is raised.</param>
+        public AuthRequiredEventArgs(string requestId, string uri)
+        {
+            Uri = uri;
+            RequestId = requestId;
+        }
+
         /// <summary>
         /// Gets the URI for which the event is raised.
         /// </summary>
-        public string Uri { get; internal set; }
+        public string Uri { get; }
 
         /// <summary>
         /// Gets the request ID of the request raising the event.
         /// </summary>
-        public string RequestId { get; internal set; }
+        public string RequestId { get; }
     }
 }

dotnet/src/webdriver/DevTools/BindingCalledEventArgs.cs

@@ -19,26 +19,41 @@
 
 using System;
 
+#nullable enable
+
 namespace OpenQA.Selenium.DevTools
 {
     /// <summary>
     /// Event arguments present when the BindingCalled event is raised.
     /// </summary>
     public class BindingCalledEventArgs : EventArgs
     {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="BindingCalledEventArgs"/> type.
+        /// </summary>
+        /// <param name="executionContextId">The execution ID of the call to the binding.</param>
+        /// <param name="name">The name of the call to the binding.</param>
+        /// <param name="payload">The payload of the call to the binding.</param>
+        public BindingCalledEventArgs(long executionContextId, string name, string payload)
+        {
+            this.ExecutionContextId = executionContextId;
+            this.Name = name;
+            this.Payload = payload;
+        }
+
         /// <summary>
         /// Gets the execution context ID of the call to the binding.
         /// </summary>
-        public long ExecutionContextId { get; internal set; }
+        public long ExecutionContextId { get; }
 
         /// <summary>
         /// Gets the name of the call to the binding.
         /// </summary>
-        public string Name { get; internal set; }
+        public string Name { get; }
 
         /// <summary>
         /// Gets the payload of the call to the binding.
         /// </summary>
-        public string Payload { get; internal set; }
+        public string Payload { get; }
     }
 }

dotnet/src/webdriver/DevTools/CommandResponseExtensions.cs

@@ -17,6 +17,8 @@
 // under the License.
 // </copyright>
 
+#nullable enable
+
 namespace OpenQA.Selenium.DevTools
 {
     /// <summary>
@@ -29,8 +31,8 @@ public static class ICommandResponseExtensions
         /// </summary>
         /// <typeparam name="TCommandResponse">The concrete implementation type of command response expected.</typeparam>
         /// <param name="response">The <see cref="ICommandResponse"/> object to convert to the implementation type</param>
-        /// <returns>The concrete implementation of the command response.</returns>
-        public static TCommandResponse GetResponse<TCommandResponse>(this ICommandResponse response)
+        /// <returns>The concrete implementation of the command response, or <see langword="null"/> if <paramref name="response"/> is not the right type.</returns>
+        public static TCommandResponse? GetResponse<TCommandResponse>(this ICommandResponse response)
             where TCommandResponse : class, ICommandResponse
         {
             return response as TCommandResponse;

dotnet/src/webdriver/DevTools/CommandResponseTypeMap.cs

@@ -19,6 +19,9 @@
 
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+
+#nullable enable
 
 namespace OpenQA.Selenium.DevTools
 {
@@ -34,8 +37,19 @@ public class CommandResponseTypeMap
         /// </summary>
         /// <param name="commandSettingsType">The type of command to add the mapping for.</param>
         /// <param name="commandResponseType">The type of response object corresponding to the command.</param>
+        /// <exception cref="ArgumentNullException">If <paramref name="commandSettingsType"/> or <paramref name="commandResponseType"/> are <see langword="null"/>.</exception>
         public void AddCommandResponseType(Type commandSettingsType, Type commandResponseType)
         {
+            if (commandSettingsType is null)
+            {
+                throw new ArgumentNullException(nameof(commandSettingsType));
+            }
+
+            if (commandResponseType is null)
+            {
+                throw new ArgumentNullException(nameof(commandResponseType));
+            }
+
             if (!commandResponseTypeDictionary.ContainsKey(commandSettingsType))
             {
                 commandResponseTypeDictionary.Add(commandSettingsType, commandResponseType);
@@ -48,7 +62,7 @@ public void AddCommandResponseType(Type commandSettingsType, Type commandRespons
         /// <typeparam name="T">The type of command for which to retrieve the response type.</typeparam>
         /// <param name="commandResponseType">The returned response type.</param>
         /// <returns><see langword="true"/> if the specified command type has a mapped response type; otherwise, <see langword="false"/>.</returns>
-        public bool TryGetCommandResponseType<T>(out Type commandResponseType)
+        public bool TryGetCommandResponseType<T>([NotNullWhen(true)] out Type? commandResponseType)
             where T : ICommand
         {
             return commandResponseTypeDictionary.TryGetValue(typeof(T), out commandResponseType);
@@ -60,7 +74,7 @@ public bool TryGetCommandResponseType<T>(out Type commandResponseType)
         /// <param name="command">The type of command for which to retrieve the response type.</param>
         /// <param name="commandResponseType">The returned response type.</param>
         /// <returns><see langword="true"/> if the specified command type has a mapped response type; otherwise, <see langword="false"/>.</returns>
-        public bool TryGetCommandResponseType(ICommand command, out Type commandResponseType)
+        public bool TryGetCommandResponseType(ICommand command, [NotNullWhen(true)] out Type? commandResponseType)
         {
             return commandResponseTypeDictionary.TryGetValue(command.GetType(), out commandResponseType);
         }

dotnet/src/webdriver/DevTools/ConsoleApiArgument.cs

@@ -17,21 +17,37 @@
 // under the License.
 // </copyright>
 
+#nullable enable
+
+using System;
+
 namespace OpenQA.Selenium.DevTools
 {
     /// <summary>
     /// Represents information about a an argument in call to the browser's console API.
     /// </summary>
     public class ConsoleApiArgument
     {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ConsoleApiArgument"/> type.
+        /// </summary>
+        /// <param name="type">The type of the argument in the call to the browser's console API.</param>
+        /// <param name="value">The value of the argument in the call to the browser's console API.</param>
+        /// <exception cref="ArgumentNullException">If <paramref name="type"/> is <see langword="null"/>.</exception>
+        public ConsoleApiArgument(string type, string? value)
+        {
+            Type = type ?? throw new ArgumentNullException(nameof(type));
+            Value = value;
+        }
+
         /// <summary>
         /// Gets the type of the argument in the call to the browser's console API.
         /// </summary>
-        public string Type { get; internal set; }
+        public string Type { get; }
 
         /// <summary>
         /// Gets the value of the argument in the call to the browser's console API.
         /// </summary>
-        public string Value { get; internal set; }
+        public string? Value { get; }
     }
 }

dotnet/src/webdriver/DevTools/ConsoleApiCalledEventArgs.cs

@@ -20,26 +20,42 @@
 using System;
 using System.Collections.ObjectModel;
 
+#nullable enable
+
 namespace OpenQA.Selenium.DevTools
 {
     /// <summary>
     /// Event arguments present when the ConsoleApiCalled event is raised.
     /// </summary>
     public class ConsoleApiCalledEventArgs : EventArgs
     {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="ConsoleApiCalledEventArgs"/> type.
+        /// </summary>
+        /// <param name="timestamp">The time stanp when the browser's console API is called.</param>
+        /// <param name="type">The type of message when the browser's console API is called.</param>
+        /// <param name="arguments">The arguments of the call to the browser's console API.</param>
+        /// <exception cref="ArgumentNullException">If <paramref name="arguments"/> is <see langword="null"/>.</exception>
+        public ConsoleApiCalledEventArgs(DateTime timestamp, string type, ReadOnlyCollection<ConsoleApiArgument> arguments)
+        {
+            Timestamp = timestamp;
+            Type = type;
+            Arguments = arguments ?? throw new ArgumentNullException(nameof(arguments));
+        }
+
         /// <summary>
         /// Gets the time stanp when the browser's console API is called.
         /// </summary>
-        public DateTime Timestamp { get; internal set; }
+        public DateTime Timestamp { get; }
 
         /// <summary>
         /// Gets the type of message when the browser's console API is called.
         /// </summary>
-        public string Type { get; internal set; }
+        public string Type { get; }
 
         /// <summary>
         /// Gets the arguments of the call to the browser's console API.
         /// </summary>
-        public ReadOnlyCollection<ConsoleApiArgument> Arguments { get; internal set; }
+        public ReadOnlyCollection<ConsoleApiArgument> Arguments { get; }
     }
 }

dotnet/src/webdriver/DevTools/DevToolsCommandData.cs

@@ -17,11 +17,14 @@
 // under the License.
 // </copyright>
 
+using System;
 using System.Text.Json;
 using System.Text.Json.Nodes;
 using System.Text.Json.Serialization;
 using System.Threading;
 
+#nullable enable
+
 namespace OpenQA.Selenium.DevTools
 {
     /// <summary>
@@ -35,6 +38,7 @@ public class DevToolsCommandData
         /// <param name="commandId">The ID of the commmand execution.</param>
         /// <param name="commandName">The method name of the DevTools command.</param>
         /// <param name="commandParameters">The parameters of the DevTools command.</param>
+        /// <exception cref="ArgumentNullException">If <paramref name="commandName"/> is <see langword="null"/>.</exception>
         public DevToolsCommandData(long commandId, string commandName, JsonNode commandParameters)
             : this(commandId, null, commandName, commandParameters)
         {
@@ -47,11 +51,12 @@ public DevToolsCommandData(long commandId, string commandName, JsonNode commandP
         /// <param name="sessionId">The session ID of the current command execution.</param>
         /// <param name="commandName">The method name of the DevTools command.</param>
         /// <param name="commandParameters">The parameters of the DevTools command.</param>
-        public DevToolsCommandData(long commandId, string sessionId, string commandName, JsonNode commandParameters)
+        /// <exception cref="ArgumentNullException">If <paramref name="commandName"/> is <see langword="null"/>.</exception>
+        public DevToolsCommandData(long commandId, string? sessionId, string commandName, JsonNode commandParameters)
         {
             CommandId = commandId;
             SessionId = sessionId;
-            CommandName = commandName;
+            CommandName = commandName ?? throw new ArgumentNullException(nameof(commandName));
             CommandParameters = commandParameters;
             SyncEvent = new ManualResetEventSlim(false);
         }
@@ -61,7 +66,7 @@ public DevToolsCommandData(long commandId, string sessionId, string commandName,
         /// </summary>
         [JsonPropertyName("sessionId")]
         [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
-        public string SessionId { get; }
+        public string? SessionId { get; }
 
         /// <summary>
         /// Gets the numeric ID of the command execution.

dotnet/src/webdriver/DevTools/DevToolsEventData.cs

@@ -19,6 +19,8 @@
 
 using System;
 
+#nullable enable
+
 namespace OpenQA.Selenium.DevTools
 {
     /// <summary>
@@ -31,10 +33,11 @@ public class DevToolsEventData
         /// </summary>
         /// <param name="eventArgsType">The type of the event args for the event to be raised.</param>
         /// <param name="invoker">The method that will be used to invoke the event.</param>
+        /// <exception cref="ArgumentNullException">If<paramref name="eventArgsType"/> or <paramref name="invoker"/> is <see langword="null"/>.</exception>
         public DevToolsEventData(Type eventArgsType, Action<object> invoker)
         {
-            EventArgsType = eventArgsType;
-            EventInvoker = invoker;
+            EventArgsType = eventArgsType ?? throw new ArgumentNullException(nameof(eventArgsType));
+            EventInvoker = invoker ?? throw new ArgumentNullException(nameof(invoker));
         }
 
         /// <summary>

dotnet/src/webdriver/DevTools/EntryAddedEventArgs.cs

@@ -19,16 +19,28 @@
 
 using System;
 
+#nullable enable
+
 namespace OpenQA.Selenium.DevTools
 {
     /// <summary>
     /// Provides data for events relating to entries being added to the browser's log.
     /// </summary>
     public class EntryAddedEventArgs : EventArgs
     {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="EntryAddedEventArgs"/> type.
+        /// </summary>
+        /// <param name="entry">The entry added to the browser's log.</param>
+        /// <exception cref="ArgumentNullException">If </exception>
+        public EntryAddedEventArgs(LogEntry entry)
+        {
+            Entry = entry ?? throw new ArgumentNullException(nameof(entry));
+        }
+
         /// <summary>
         /// The entry added to the browser's log.
         /// </summary>
-        public LogEntry Entry { get; set; }
+        public LogEntry Entry { get; }
     }
 }

dotnet/src/webdriver/DevTools/LogEntry.cs

@@ -17,21 +17,34 @@
 // under the License.
 // </copyright>
 
+#nullable enable
+
 namespace OpenQA.Selenium.DevTools
 {
     /// <summary>
     /// Represents information about a log entry when the browser console is written to.
     /// </summary>
     public class LogEntry
     {
+        /// <summary>
+        /// Initializes a new instance of the <see cref="LogEntry"/> type.
+        /// </summary>
+        /// <param name="kind">The kind of message written to the log.</param>
+        /// <param name="message">The text of the message written to the log.</param>
+        public LogEntry(string kind, string message)
+        {
+            Kind = kind;
+            Message = message;
+        }
+
         /// <summary>
         /// Gets the kind of message written to the log.
         /// </summary>
-        public string Kind { get; internal set; }
+        public string Kind { get; }
 
         /// <summary>
         /// Gets the text of the message written to the log.
         /// </summary>
-        public string Message { get; internal set; }
+        public string Message { get; }
     }
 }