[dotnet] Annotate Nullable Reference Types on OpenQA.Selenium.Internal

[RenderMichael]

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Description

Motivation and Context

Contributes to #14640

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

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PR Type

enhancement

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Description

• Enabled nullable reference types across multiple files in the OpenQA.Selenium.Internal namespace.
• Updated method signatures and variable declarations to accommodate nullable types.
• Refactored properties and methods for improved code clarity and safety.

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Changes walkthrough 📝

Relevant files

Enhancement

ICapabilities.cs Enable nullable reference types and update method signature dotnet/src/webdriver/ICapabilities.cs Enabled nullable reference types. Updated GetCapability method to return nullable object. +3/-1      AndroidOptions.cs Enable nullable reference types and refactor properties    dotnet/src/webdriver/Internal/AndroidOptions.cs Enabled nullable reference types. Updated properties to use nullable types. Refactored constructor to use auto-properties. +7/-19    FileUtilities.cs Enable nullable reference types and update variable declarations dotnet/src/webdriver/Internal/FileUtilities.cs Enabled nullable reference types. Updated variable declarations to use nullable types. +7/-5      IFindsElement.cs Enable nullable reference types                                                    dotnet/src/webdriver/Internal/IFindsElement.cs Enabled nullable reference types. +2/-0      IHasCapabilitiesDictionary.cs Enable nullable reference types                                                    dotnet/src/webdriver/Internal/IHasCapabilitiesDictionary.cs Enabled nullable reference types. +2/-0      ResourceUtilities.cs Enable nullable reference types and refactor methods          dotnet/src/webdriver/Internal/ResourceUtilities.cs Enabled nullable reference types. Refactored PlatformFamily property to use expression-bodied member. Simplified GetPlatformString method. +13/-20  ResponseValueJsonConverter.cs Enable nullable reference types and update method signatures dotnet/src/webdriver/Internal/ResponseValueJsonConverter.cs Enabled nullable reference types. Updated method signatures to return nullable objects. +8/-6      ReturnedCapabilities.cs Enable nullable reference types and refactor class              dotnet/src/webdriver/Internal/ReturnedCapabilities.cs Enabled nullable reference types. Updated constructor and methods to handle nullable types. Refactored properties to use expression-bodied members. +17/-28

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[qodo-merge-pro]

PR Reviewer Guide 🔍

Here are some key observations to aid the review process:

⏱️ Estimated effort to review: 2 🔵🔵⚪⚪⚪

🧪 No relevant tests

🔒 No security concerns identified

⚡ Recommended focus areas for review Possible Bug The GetResourceStream method returns an uninitialized resourceStream variable if neither the file exists nor the embedded resource is found. This could lead to a NullReferenceException. Code Smell The indexer property throws ArgumentException when key not found instead of using TryGetValue pattern, which is inconsistent with other methods in the class that handle missing keys more gracefully.

[qodo-merge-pro]

PR Code Suggestions ✨

Explore these optional code suggestions:

Category	Suggestion	Score
Possible issue	Initialize local variables with default values to prevent potential unassigned variable usage Initialize copyComplete with a default value of false to ensure it has a value in all code paths. dotnet/src/webdriver/Internal/FileUtilities.cs [45-46] -bool copyComplete; +bool copyComplete = false; DirectoryInfo sourceDirectoryInfo = new DirectoryInfo(sourceDirectory); Apply this suggestion Suggestion importance[1-10]: 8 Why: The suggestion addresses a potential bug where the local variable 'copyComplete' might be used before being assigned a value, which could lead to compilation errors or undefined behavior. Initializing it with a default value is a good practice.	8

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[nvborisenko]

Thanks @RenderMichael for contribution!