Illegal Attribute 'HidePrev' on 'MudPagination' using pattern 'LowerCase' source location '(75,12)-(75,67)' (https://mudblazor.com/features/analyzers)

Illegal Attribute 'HideNext' on 'MudPagination' using pattern 'LowerCase' source location '(74,12)-(74,67)' (https://mudblazor.com/features/analyzers)

Illegal Attribute 'PageSizeOptions' on 'MudPagination' using pattern 'LowerCase' source location '(65,12)-(73,13)' (https://mudblazor.com/features/analyzers)

Illegal Attribute 'PageSize' on 'MudPagination' using pattern 'LowerCase' source location '(56,12)-(64,13)' (https://mudblazor.com/features/analyzers)

Illegal Attribute 'Page' on 'MudPagination' using pattern 'LowerCase' source location '(47,12)-(55,13)' (https://mudblazor.com/features/analyzers)

Illegal Attribute 'Text' on 'MudAvatar' using pattern 'LowerCase' source location '(48,12)-(56,13)' (https://mudblazor.com/features/analyzers)

Illegal Attribute 'Src' on 'MudAvatar' using pattern 'LowerCase' source location '(39,12)-(47,13)' (https://mudblazor.com/features/analyzers)

Remove the unused private method 'OnPageSizeChangedHandler'. (https://rules.sonarsource.com/csharp/RSPEC-1144)

Remove the unused private method 'OnPageChangedHandler'. (https://rules.sonarsource.com/csharp/RSPEC-1144)

Refactor 'ItemsList' into a method, properties should not copy collections. (https://rules.sonarsource.com/csharp/RSPEC-2365)

In member void HangfireTelemetryFilter.OnPerforming(PerformingContext filterContext), change parameter name filterContext to context in order to match the identifier as it has been declared in void IServerFilter.OnPerforming(PerformingContext context) (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1725)

Specify AttributeUsage on 'HangfireTelemetryFilter' to improve readability, even though it inherits it from its base type. (https://rules.sonarsource.com/csharp/RSPEC-3993)

Make this class name end with 'Attribute'. (https://rules.sonarsource.com/csharp/RSPEC-3376)

Remove this empty class, write its code or make it an "interface". (https://rules.sonarsource.com/csharp/RSPEC-2094)

'S3StorageService' is an internal class that is apparently never instantiated. If so, remove the code from the assembly. If this class is intended to contain only static members, make it 'static' (Module in Visual Basic). (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1812)

Modify 'RemoveAsync' to catch a more specific allowed exception type, or rethrow the exception (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1031)

In method 'BuildKey', replace the call to 'ToLowerInvariant' with 'ToUpperInvariant' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1308)

In externally visible method 'IServiceCollection Extensions.AddHeroStorage(IServiceCollection services, IConfiguration configuration)', validate parameter 'configuration' is non-null before using it. If appropriate, throw an 'ArgumentNullException' when the argument is 'null'. (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1062)

In method 'AddHeroStorage', replace the call to 'ToLowerInvariant' with 'ToUpperInvariant' (https://learn.microsoft.com/dotnet/fundamentals/code-analysis/quality-rules/ca1308)